/* ==========================================================================
   Lueck – Kunststoff- & Werkzeugtechnik
   Stylesheet · light, modern, responsive
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* colors */
  --c-bg:        #FFFFFF;
  --c-bg-alt:    #F4F7FA;
  --c-bg-soft:   #FAFBFC;
  --c-fg:        #0F1B26;
  --c-fg-soft:   #4A5A66;
  --c-fg-muted:  #6E7B86;
  --c-line:      #E2E8EE;
  --c-accent:    #1B4A6B;
  --c-accent-2:  #0F2A3F;
  --c-accent-soft: #E8EFF4;
  --c-warn:      #B7791F;
  --c-success:   #1F7A4D;

  /* type */
  --ff-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
             "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --ff-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --fs-xs:  0.78rem;
  --fs-sm:  0.88rem;
  --fs-md:  1rem;
  --fs-lg:  1.125rem;
  --fs-xl:  1.35rem;
  --fs-2xl: 1.7rem;
  --fs-3xl: 2.2rem;
  --fs-4xl: 2.8rem;
  --fs-5xl: 3.4rem;

  /* layout */
  --container: 1200px;
  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 22px;

  /* motion */
  --ease: cubic-bezier(.2,.8,.2,1);
  --t-fast: 160ms;
  --t-med:  280ms;
  --t-slow: 600ms;

  /* shadow */
  --sh-1: 0 1px 2px rgba(15, 27, 38, 0.04), 0 1px 1px rgba(15, 27, 38, 0.04);
  --sh-2: 0 4px 14px rgba(15, 27, 38, 0.06), 0 2px 4px rgba(15, 27, 38, 0.04);
  --sh-3: 0 12px 40px rgba(15, 27, 38, 0.10), 0 4px 8px rgba(15, 27, 38, 0.05);
}

/* ---------- 2. Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-sans);
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--c-fg);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg, picture { max-width: 100%; height: auto; display: block; }
a { color: var(--c-accent); text-decoration: none; transition: color var(--t-fast) var(--ease); }
a:hover { color: var(--c-accent-2); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 6px;
}
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; color: var(--c-fg); }
h1 { font-size: var(--fs-4xl); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: var(--fs-3xl); font-weight: 700; }
h3 { font-size: var(--fs-xl); font-weight: 600; }
p  { margin: 0 0 1em; color: var(--c-fg-soft); }

ul { padding: 0; margin: 0; }
li { color: var(--c-fg-soft); }

::selection { background: var(--c-accent); color: #fff; }

.skip-link {
  position: absolute; top: -100px; left: 0;
  background: var(--c-accent-2); color: #fff;
  padding: .8em 1em; z-index: 1000;
  transition: top var(--t-fast) var(--ease);
}
.skip-link:focus { top: 0; }

.muted { color: var(--c-fg-muted); font-size: var(--fs-sm); }

/* ---------- 3. Layout helpers ---------- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  width: 100%;
}

.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section-alt { background: var(--c-bg-alt); position: relative; }
.section-alt::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(27,74,107,0.07) 1px, transparent 0);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 80%, transparent);
  pointer-events: none;
}

.section-head { max-width: 720px; margin-bottom: 2.5rem; }
.section-head h2 { margin-top: .25em; }
.section-head p  { color: var(--c-fg-soft); font-size: var(--fs-lg); }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1rem;
  padding: .35em .8em;
  background: var(--c-accent-soft);
  border-radius: 999px;
}

.accent { color: var(--c-accent); position: relative; white-space: nowrap; }
.accent::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .08em; height: .25em;
  background: var(--c-accent-soft); z-index: -1; border-radius: 2px;
  transform-origin: left; transform: scaleX(0);
  transition: transform var(--t-slow) var(--ease) .2s;
}
.reveal.is-visible .accent::after { transform: scaleX(1); }

/* ---------- 4. Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}
.site-header.is-scrolled {
  border-color: var(--c-line);
  box-shadow: var(--sh-1);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 0.5rem; gap: 1rem;
}
.brand { display: inline-flex; align-items: center; }
.brand img { height: 120px; width: auto; max-width: 100%; }

.primary-nav ul {
  display: flex; gap: .25rem; list-style: none; align-items: center;
}
.primary-nav a {
  display: inline-block;
  padding: .55em 1em;
  font-weight: 500;
  font-size: var(--fs-sm);
  color: var(--c-fg);
  border-radius: 8px;
  position: relative;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.primary-nav a:hover { color: var(--c-accent); background: var(--c-accent-soft); }
.primary-nav a[aria-current="page"] { color: var(--c-accent); }
.primary-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 1em; right: 1em; bottom: .2em;
  height: 2px; background: var(--c-accent); border-radius: 1px;
}

.nav-toggle {
  display: none;
  background: transparent; border: 1px solid var(--c-line);
  border-radius: 10px;
  width: 44px; height: 44px;
  padding: 0; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  transition: border-color var(--t-fast) var(--ease);
}
.nav-toggle:hover { border-color: var(--c-accent); }
.nav-toggle-bar {
  display: block; width: 22px; height: 2px;
  background: var(--c-fg);
  border-radius: 2px;
  transition: transform var(--t-med) var(--ease), opacity var(--t-fast) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(3rem, 6vw, 5.5rem);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 60% 80% at 80% 0%, rgba(27,74,107,0.10), transparent 70%),
    radial-gradient(ellipse 80% 60% at 0% 100%, rgba(122,182,230,0.18), transparent 70%),
    linear-gradient(to bottom, var(--c-bg-soft), var(--c-bg));
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(27,74,107,0.10) 1px, transparent 0);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
  opacity: .6;
}
.hero-grid {
  display: grid; gap: clamp(2rem, 4vw, 3.5rem);
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
}
.hero-copy h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); margin-bottom: 1rem; }
.hero-copy .lead {
  font-size: var(--fs-lg);
  color: var(--c-fg-soft);
  max-width: 56ch;
  margin-bottom: 2rem;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2.5rem; }
.hero-meta {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem; list-style: none;
  padding-top: 1.5rem; border-top: 1px solid var(--c-line);
}
.hero-meta li { display: flex; flex-direction: column; gap: .15rem; }
.hero-meta strong {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  color: var(--c-fg);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.hero-meta span { font-size: var(--fs-sm); color: var(--c-fg-muted); }

.hero-media { position: relative; }
.hero-media img {
  width: 100%; height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--sh-3);
  background: var(--c-bg-alt);
  transition: transform var(--t-slow) var(--ease);
}
.hero-media:hover img { transform: translateY(-4px) scale(1.005); }
.hero-card {
  position: absolute; left: -1rem; bottom: 1.25rem;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  padding: .7rem 1rem;
  display: flex; align-items: center; gap: .6rem;
  font-size: var(--fs-sm); color: var(--c-fg-soft);
  box-shadow: var(--sh-2);
  animation: floatCard 6s ease-in-out infinite;
}
.hero-card .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-success);
  box-shadow: 0 0 0 0 rgba(31,122,77,.4);
  animation: pulse 2s ease-out infinite;
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(31,122,77,.5); }
  100% { box-shadow: 0 0 0 14px rgba(31,122,77,0); }
}

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .85em 1.4em;
  font: inherit; font-weight: 600;
  font-size: var(--fs-md);
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
  white-space: nowrap;
}
.btn-lg { padding: 1em 1.6em; font-size: var(--fs-lg); }
.btn-primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(27,74,107,0.25);
}
.btn-primary:hover { background: var(--c-accent-2); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(27,74,107,0.30); }
.btn-ghost {
  background: transparent;
  color: var(--c-fg);
  border-color: var(--c-line);
}
.btn-ghost:hover { border-color: var(--c-accent); color: var(--c-accent); transform: translateY(-1px); }

/* ---------- 7. Cards ---------- */
.card-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease), border-color var(--t-med) var(--ease);
  position: relative;
  overflow: hidden;
}
.card::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--c-accent), #7AB6E6);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-med) var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-3); border-color: transparent; }
.card:hover::after { transform: scaleX(1); }
.card-icon { margin-bottom: 1rem; }
.card h3 { font-size: var(--fs-xl); }
.card p  { color: var(--c-fg-soft); margin-bottom: 1rem; }
.card ul { list-style: none; margin: 0 0 1.25rem; }
.card li {
  position: relative; padding-left: 1.5em; margin-bottom: .35em;
  font-size: var(--fs-sm);
}
.card li::before {
  content: "→"; color: var(--c-accent); position: absolute; left: 0; font-weight: 700;
}
.card-cta {
  background: linear-gradient(180deg, var(--c-accent-soft) 0%, #fff 100%);
  display: flex; flex-direction: column;
}
.card-cta p { color: var(--c-fg); font-weight: 500; }
.card-link {
  font-weight: 600; font-size: var(--fs-sm);
  color: var(--c-accent);
  display: inline-block;
  transition: transform var(--t-fast) var(--ease);
}
.card-link:hover { transform: translateX(3px); color: var(--c-accent-2); }

/* ---------- 8. "Warum" two-col ---------- */
.warum-grid {
  display: grid; gap: clamp(2rem, 4vw, 3.5rem);
  grid-template-columns: 1fr 1.1fr;
  align-items: center;
}
.warum-media img {
  border-radius: var(--radius);
  box-shadow: var(--sh-2);
  width: 100%;
}
.checklist { list-style: none; margin-top: 1.5rem; }
.checklist li {
  display: flex; gap: 1rem; align-items: flex-start;
  margin-bottom: 1.1rem;
  padding: 1rem 1.1rem;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.checklist li:hover { border-color: var(--c-accent); transform: translateX(2px); }
.checklist li img { width: 32px; height: 32px; flex-shrink: 0; }
.checklist strong { color: var(--c-fg); }

/* ---------- 9. Marquee ---------- */
.marquee {
  --gap: 2.5rem;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex; gap: var(--gap);
  white-space: nowrap;
  animation: scroll 35s linear infinite;
  font-size: var(--fs-xl); font-weight: 600;
  color: var(--c-fg);
  font-family: var(--ff-sans);
}
.marquee-track span { color: var(--c-fg-muted); }
.marquee-track span:nth-child(2n) { color: var(--c-accent); }
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee:hover .marquee-track { animation-play-state: paused; }

/* ---------- 10. CTA section ---------- */
.section-cta { padding: clamp(3rem, 6vw, 5rem) 0; }
.cta-inner {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 5vw, 4rem);
  text-align: center;
  position: relative; overflow: hidden;
  box-shadow: 0 20px 60px rgba(15, 42, 63, 0.30);
}
.cta-inner::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.10) 1px, transparent 0);
  background-size: 24px 24px;
  pointer-events: none;
  mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 80%);
}
.cta-inner h2 { color: #fff; position: relative; }
.cta-inner p  { color: rgba(255,255,255,0.85); position: relative; max-width: 56ch; margin-inline: auto; }
.cta-inner .btn-primary {
  background: #fff; color: var(--c-accent-2);
  box-shadow: 0 8px 24px rgba(0,0,0,0.20);
  position: relative;
}
.cta-inner .btn-primary:hover { background: var(--c-bg-soft); color: var(--c-accent-2); }

/* ---------- 11. Page head (subpages) ---------- */
.page-head {
  padding: clamp(3rem, 5vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
  background: linear-gradient(180deg, var(--c-bg-soft), var(--c-bg));
  border-bottom: 1px solid var(--c-line);
}
.page-head h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: .75rem; }
.page-head .lead { font-size: var(--fs-lg); color: var(--c-fg-soft); max-width: 60ch; }

/* ---------- 12. Zwei-grid for leistungen ---------- */
.zwei-grid {
  display: grid; gap: clamp(2rem, 4vw, 3.5rem);
  grid-template-columns: 1fr 1.2fr;
  align-items: start;
}
.zwei-grid h2 { font-size: var(--fs-2xl); }

.bullet-list { list-style: none; }
.bullet-list li {
  position: relative; padding: .85em 0 .85em 1.8em;
  border-bottom: 1px solid var(--c-line);
  font-size: var(--fs-md);
  color: var(--c-fg-soft);
  transition: padding-left var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.bullet-list li::before {
  content: ""; position: absolute; left: 0; top: 1.4em;
  width: 12px; height: 2px; background: var(--c-accent);
  transition: width var(--t-fast) var(--ease);
}
.bullet-list li:hover { padding-left: 2em; color: var(--c-fg); }
.bullet-list li:hover::before { width: 18px; }

/* ---------- 13. Profil ---------- */
.profil-grid {
  display: grid; gap: clamp(2rem, 4vw, 3.5rem);
  grid-template-columns: 0.8fr 1.2fr;
  align-items: start;
}
.profil-media img {
  width: 100%; max-width: 360px;
  border-radius: var(--radius-lg);
  box-shadow: var(--sh-2);
  background: var(--c-bg-alt);
}

.steps {
  list-style: none;
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  counter-reset: step;
}
.step {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
  transition: transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}
.step:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.step-num {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: var(--fs-sm);
  color: var(--c-accent);
  background: var(--c-accent-soft);
  padding: .2em .6em;
  border-radius: 6px;
  margin-bottom: .75rem;
  font-weight: 600;
}

/* ---------- 14. Kontakt ---------- */
.kontakt-grid {
  display: grid; gap: clamp(2rem, 4vw, 3.5rem);
  grid-template-columns: 1fr 1.3fr;
  align-items: start;
}
.kontakt-aside h2 { font-size: var(--fs-2xl); }
.kontakt-block {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-line);
}
.kontakt-block h3 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .12em; color: var(--c-fg-muted); margin-bottom: .5em; }
.kontakt-block p  { margin: 0; color: var(--c-fg); }
.kontakt-block a   { color: var(--c-fg); font-weight: 500; border-bottom: 1px solid transparent; }
.kontakt-block a:hover { border-bottom-color: var(--c-accent); }

.kontakt-form {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--sh-2);
}
.kontakt-form h2 { font-size: var(--fs-2xl); margin-bottom: .5rem; }
.form-row { display: flex; flex-direction: column; gap: .4rem; margin-top: 1.1rem; }
.form-row label { font-size: var(--fs-sm); font-weight: 600; color: var(--c-fg); }
.form-row label a { color: var(--c-accent); }
.form-row input, .form-row select, .form-row textarea {
  font: inherit; font-size: var(--fs-md);
  padding: .75em .9em;
  border: 1px solid var(--c-line);
  border-radius: 10px;
  background: var(--c-bg-soft);
  color: var(--c-fg);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.form-row input:hover, .form-row select:hover, .form-row textarea:hover { border-color: #B8C5D1; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--c-accent);
  background: #fff;
  outline: none;
}
.form-row textarea { resize: vertical; min-height: 140px; }
.form-row-check { padding-top: .5rem; }
.check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400 !important; font-size: var(--fs-sm) !important; }
.check input { width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; accent-color: var(--c-accent); }
.form-status { margin-top: 1rem; font-size: var(--fs-sm); min-height: 1.4em; }
.form-status.is-error { color: var(--c-warn); }
.form-status.is-ok    { color: var(--c-success); }

/* ---------- 15. Legal ---------- */
.legal h2 { font-size: var(--fs-xl); margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--c-line); }
.legal h2:first-child { border-top: 0; padding-top: 0; }
.legal ul { margin: .5em 0 1em 1.5em; }
.legal li { margin-bottom: .35em; }
.legal a { color: var(--c-accent); border-bottom: 1px solid var(--c-accent-soft); }
.legal a:hover { border-bottom-color: var(--c-accent); }

/* ---------- 16. Footer ---------- */
.site-footer {
  background: var(--c-fg);
  color: rgba(255,255,255,0.78);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer a:hover { color: #fff; }
.site-footer h3 {
  color: #fff; font-size: var(--fs-sm); text-transform: uppercase;
  letter-spacing: .12em; margin-bottom: 1rem;
}
.footer-grid {
  display: grid; gap: 2rem;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-grid .muted { color: rgba(255,255,255,0.55); }
.footer-nav { list-style: none; }
.footer-nav li { margin-bottom: .35em; font-size: var(--fs-sm); }
.site-footer .brand img { filter: brightness(0) invert(1); opacity: 0.9; height: 120px; }
.footer-bottom { padding-top: 1.5rem; }
.footer-bottom small { color: rgba(255,255,255,0.5); font-size: var(--fs-xs); }

/* ---------- 17. Reveal animation ---------- */
/* Default: sichtbar. JS setzt .js auf <html>, dann erst verstecken wir. */
.reveal {
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
}

/* ---------- 18. Responsive ---------- */
@media (max-width: 960px) {
  :root {
    --fs-4xl: 2.3rem;
    --fs-3xl: 1.85rem;
    --fs-2xl: 1.5rem;
  }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .warum-grid { grid-template-columns: 1fr; }
  .warum-media { order: -1; }
  .zwei-grid, .profil-grid, .kontakt-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--sh-2);
    transform: translateY(-12px);
    opacity: 0; visibility: hidden;
    transition: transform var(--t-med) var(--ease), opacity var(--t-med) var(--ease), visibility var(--t-med) var(--ease);
  }
  .primary-nav.is-open {
    transform: none; opacity: 1; visibility: visible;
  }
  .primary-nav ul {
    flex-direction: column; align-items: stretch; gap: 0;
    padding: .5rem 1rem 1rem;
  }
  .primary-nav a {
    display: block; padding: .9em .75em; border-radius: 0;
    border-bottom: 1px solid var(--c-line);
  }
  .primary-nav li:last-child a { border-bottom: 0; }

  .hero { padding-top: 2rem; }
  .hero-meta { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .hero-meta li:nth-child(3) { grid-column: 1 / -1; }
  .hero-card { left: 1rem; bottom: -1rem; font-size: var(--fs-xs); }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .section { padding: 3rem 0; }
  .card { padding: 1.5rem; }
}

@media (max-width: 420px) {
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
  .brand img { height: 80px; }
}