/* ============================================================================
   Callista Studio — Design System
   Marke: Grün #2F6A50 · Tinte #0E1714 · Charcoal #0F1D17 · Grau #54635C
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Brand */
  --brand: #2F6A50;
  --brand-600: #2a5f48;
  --brand-700: #244e3c;
  --accent: #2F6A50;            /* Text-/Icon-Akzent (Light) */
  --ink: #0E1714;
  --charcoal: #0F1D17;
  --gray: #54635C;
  --gray-soft: #5E6B64; /* WCAG AA (>=4.5:1 auf hellem Grund) */

  /* Surfaces */
  --bg: #FBFBF9;
  --surface: #FFFFFF;
  --surface-2: #F4F6F2;
  --tint: #EEF4F0;             /* sanftes Mint */
  --line: #E6E9E4;
  --line-strong: #D7DCD5;

  /* On-dark feature block (immer dunkel, auch im Light-Mode) */
  --feature-bg: #0F1D17;
  --feature-ink: #F2F6F3;
  --feature-gray: #A9B7AF;
  --feature-line: rgba(255,255,255,.12);
  --feature-accent: #6FB392;

  /* Typo */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
          "Apple Color Emoji", "Segoe UI Emoji", sans-serif;

  /* Maße */
  --container: 1180px;
  --container-narrow: 760px;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  /* Schatten */
  --shadow-sm: 0 1px 2px rgba(14,23,20,.05), 0 1px 1px rgba(14,23,20,.04);
  --shadow-md: 0 10px 30px -12px rgba(14,23,20,.18);
  --shadow-lg: 0 30px 60px -25px rgba(14,23,20,.28);
  --ring: 0 0 0 3px rgba(47,106,80,.32);

  /* Motion-Tokens (zentral) */
  --dur-fast: .16s;
  --dur: .28s;
  --dur-slow: .6s;
  --ease: cubic-bezier(.22,.61,.36,1);
  --reveal-y: 18px;

  --header-h: 76px;
  color-scheme: light;
}

/* ---------- Dark Mode ---------- */
html[data-theme="dark"] {
  --brand: #2F6A50;
  --accent: #74BC97;
  --ink: #EEF3EF;
  --gray: #A7B4AC;
  --gray-soft: #8F9D95;

  --bg: #0C1712;
  --surface: #122019;
  --surface-2: #16271E;
  --tint: rgba(116,188,151,.10);
  --line: rgba(255,255,255,.10);
  --line-strong: rgba(255,255,255,.16);

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 14px 34px -14px rgba(0,0,0,.6);
  --shadow-lg: 0 30px 60px -25px rgba(0,0,0,.7);
  --ring: 0 0 0 3px rgba(116,188,151,.4);
  color-scheme: dark;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-padding-top: calc(var(--header-h) + 12px);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
html { scroll-padding-top: calc(var(--header-h) + 12px); }

img, svg { display: block; max-width: 100%; }
::selection { background: var(--brand); color: #fff; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; }

h1, h2, h3, h4 { line-height: 1.12; letter-spacing: -.02em; font-weight: 700; color: var(--ink); }
h1 { font-size: clamp(2.3rem, 1.4rem + 3.6vw, 4rem); letter-spacing: -.03em; }
h2 { font-size: clamp(1.8rem, 1.2rem + 2.2vw, 2.7rem); }
h3 { font-size: clamp(1.15rem, 1rem + .6vw, 1.4rem); letter-spacing: -.01em; }
p { color: var(--gray); }
strong { color: var(--ink); font-weight: 650; }

/* ---------- Accessibility ---------- */
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--brand); color: #fff; padding: 10px 16px; border-radius: 10px;
  transition: top var(--dur-fast) var(--ease); font-weight: 600;
}
.skip-link:focus { top: 12px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding-block: clamp(64px, 8vw, 120px); }
.section--tight { padding-block: clamp(48px, 6vw, 84px); }
.section--tint { background: var(--tint); }
.section--surface { background: var(--surface-2); }
.divider { height: 1px; background: var(--line); border: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 650; letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before { content: ""; width: 20px; height: 2px; background: var(--accent); border-radius: 2px; }

.section-head { max-width: 680px; }
.section-head .lead { margin-top: 16px; font-size: 1.12rem; }
.section-head--center { margin-inline: auto; text-align: center; }
.lead { color: var(--gray); font-size: 1.08rem; }

/* ---------- Buttons ---------- */
.btn {
  --_bg: var(--brand); --_fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: var(--radius-pill); border: 1px solid transparent;
  background: var(--_bg); color: var(--_fg); font-weight: 650; font-size: .98rem;
  letter-spacing: -.01em; line-height: 1; white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  box-shadow: var(--shadow-sm);
}
.btn:hover { background: var(--brand-600); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); background: var(--brand-700); box-shadow: var(--shadow-sm); }
.btn .arrow { transition: transform var(--dur) var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn--ghost {
  --_bg: transparent; --_fg: var(--ink);
  border-color: var(--line-strong); box-shadow: none;
}
.btn--ghost:hover { background: var(--surface); border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.btn--ghost:active { background: var(--surface-2); }

.btn--light { --_bg: #fff; --_fg: var(--charcoal); }
.btn--light:hover { background: #eef4f0; }

.btn--lg { padding: 17px 30px; font-size: 1.04rem; }
.btn--sm { padding: 10px 16px; font-size: .9rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 7px; font-weight: 650; color: var(--accent);
}
.link-arrow .arrow { transition: transform var(--dur) var(--ease); }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); background: color-mix(in srgb, var(--bg) 92%, transparent); }
.header-inner {
  height: var(--header-h); display: flex; align-items: center; gap: 24px;
  transition: height var(--dur) var(--ease);
}
.is-scrolled .header-inner { height: 64px; }

.brand-logo { display: inline-flex; align-items: center; transition: transform var(--dur) var(--ease), opacity var(--dur-fast) var(--ease); }
.brand-logo:hover { transform: translateY(-1px); opacity: .85; }
.brand-logo img { height: 30px; width: auto; transition: height var(--dur) var(--ease); }
.is-scrolled .brand-logo img { height: 26px; }
.brand-logo .logo-dark { display: none; }
html[data-theme="dark"] .brand-logo .logo-light { display: none; }
html[data-theme="dark"] .brand-logo .logo-dark { display: block; }

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  display: inline-block; padding: 9px 14px; border-radius: 10px; font-weight: 550;
  font-size: .96rem; color: var(--gray); position: relative;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.main-nav a:hover { color: var(--ink); background: var(--surface-2); }
.main-nav a.is-active { color: var(--ink); }
.main-nav a.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px;
  background: var(--brand); border-radius: 2px; animation: nav-underline var(--dur) var(--ease);
}
@keyframes nav-underline { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.header-actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 11px;
  background: transparent; border: 1px solid var(--line); color: var(--ink);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.icon-btn:hover { background: var(--surface-2); border-color: var(--line-strong); }
.icon-btn:active { transform: scale(.94); }
.icon-btn svg { width: 19px; height: 19px; }
.theme-toggle .moon { display: none; }
html[data-theme="dark"] .theme-toggle .sun { display: none; }
html[data-theme="dark"] .theme-toggle .moon { display: block; }

/* Sprach-Umschalter */
.lang-switch { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: var(--radius-pill); overflow: hidden; }
.lang-switch a { padding: 11px 14px; font-size: .82rem; font-weight: 650; color: var(--gray); transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.lang-switch a:hover { color: var(--ink); }
.lang-switch a[aria-current="true"] { background: var(--brand); color: #fff; }

.nav-toggle { display: none; }

/* ---------- Mobile Nav ---------- */
.mobile-nav {
  position: fixed; inset: 0; z-index: 99; background: var(--bg);
  padding: calc(var(--header-h) + 16px) 24px 32px; display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform var(--dur) var(--ease); visibility: hidden;
}
.mobile-nav.is-open { transform: translateX(0); visibility: visible; }
.mobile-nav a.m-link { padding: 16px 4px; font-size: 1.3rem; font-weight: 650; color: var(--ink); border-bottom: 1px solid var(--line); }
.mobile-nav .m-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 24px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: clamp(48px, 7vw, 96px); padding-bottom: clamp(56px, 8vw, 112px); overflow: hidden; }
.hero-grid { background-image: radial-gradient(var(--line-strong) 1px, transparent 1px); background-size: 26px 26px; -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 35%, transparent 75%); mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 35%, transparent 75%); position: absolute; inset: 0; opacity: .55; pointer-events: none; }
.hero-glow { position: absolute; top: -180px; left: 50%; transform: translateX(-50%); width: 720px; height: 480px; background: radial-gradient(closest-side, color-mix(in srgb, var(--brand) 26%, transparent), transparent); filter: blur(20px); opacity: .5; pointer-events: none; }
.hero-inner { position: relative; max-width: 880px; }
.hero .availability {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 15px 7px 12px; border-radius: var(--radius-pill);
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  font-size: .86rem; font-weight: 600; color: var(--ink);
}
.hero .availability .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--brand); position: relative; }
.hero .availability .dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--brand); opacity: .4; animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 0% { transform: scale(.8); opacity: .6;} 70%,100% { transform: scale(1.7); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .hero .availability .dot::after { animation: none; } }

.hero h1 { margin-top: 26px; }
.hero h1 .hl { color: var(--brand); position: relative; white-space: nowrap; }
.hero .hero-sub { margin-top: 22px; font-size: clamp(1.05rem, 1rem + .5vw, 1.3rem); max-width: 620px; color: var(--gray); }
.hero-cta { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; }
.hero-secondary { font-size: 1.02rem; padding: 10px 0; }
.hero-meta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px 26px; }
.hero-meta li { display: inline-flex; align-items: center; gap: 9px; font-size: .94rem; font-weight: 550; color: var(--gray); }
.hero-meta svg { width: 18px; height: 18px; color: var(--brand); flex: none; }

/* ---------- Marquee / Trust strip ---------- */
.trust-strip { border-block: 1px solid var(--line); background: var(--surface); }
.trust-strip .container { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 30px; padding-block: 22px; }
.trust-strip .label { font-size: .8rem; font-weight: 650; letter-spacing: .05em; text-transform: uppercase; color: var(--gray-soft); }
.trust-strip .stack { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.trust-strip .stack span { font-weight: 600; color: var(--ink); font-size: .98rem; display: inline-flex; align-items: center; gap: 8px; }
.trust-strip .stack span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }

/* ---------- Cards / Grid ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }

.service-card { display: flex; flex-direction: column; }
.service-card .ic {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--tint); color: var(--accent); margin-bottom: 20px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.service-card:hover .ic { background: var(--brand); color: #fff; transform: scale(1.06); }
.service-card .ic svg { width: 26px; height: 26px; }
.service-card h3 { margin-bottom: 10px; }
.service-card p { font-size: .98rem; }
.service-card .feat { margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.service-card .feat li { display: flex; align-items: flex-start; gap: 9px; font-size: .92rem; color: var(--gray); }
.service-card .feat svg { width: 17px; height: 17px; color: var(--brand); flex: none; margin-top: 3px; }
.service-card .more { margin-top: auto; padding-top: 20px; }

/* Value / feature small cards */
.value-card { padding: 26px; }
.value-card .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--tint); color: var(--accent); display: grid; place-items: center; margin-bottom: 16px; }
.value-card .ic svg { width: 22px; height: 22px; }
.value-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.value-card p { font-size: .96rem; }

/* ---------- Process ---------- */
.process-list { display: grid; gap: 0; counter-reset: step; }
.process-step {
  display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding: 28px 0;
  border-top: 1px solid var(--line); position: relative;
}
.process-step:last-child { border-bottom: 1px solid var(--line); }
.process-step .num {
  counter-increment: step; width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--line); font-weight: 700; font-size: 1.15rem; color: var(--brand);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.process-step .num::before { content: counter(step, decimal-leading-zero); }
.process-step:hover .num { background: var(--brand); color: #fff; transform: translateY(-2px); }
.process-step h3 { margin-bottom: 8px; }
.process-step p { font-size: .99rem; max-width: 60ch; }
.process-step .dur { display: inline-block; margin-top: 12px; font-size: .82rem; font-weight: 600; color: var(--accent); background: var(--tint); padding: 4px 11px; border-radius: var(--radius-pill); }

/* ---------- Feature (dark) block ---------- */
.feature-dark { background: var(--feature-bg); color: var(--feature-ink); border-radius: var(--radius-lg); overflow: hidden; position: relative; }
.feature-dark .pattern { position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px); background-size: 22px 22px; opacity: .6; pointer-events: none; }
.feature-dark .inner { position: relative; padding: clamp(40px, 6vw, 72px); }
.feature-dark h2 { color: var(--feature-ink); }
.feature-dark p { color: var(--feature-gray); }
.feature-dark .eyebrow { color: var(--feature-accent); }
.feature-dark .eyebrow::before { background: var(--feature-accent); }
.feature-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.stat { border: 1px solid var(--feature-line); border-radius: var(--radius); padding: 22px; background: rgba(255,255,255,.02); }
.stat .k { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--feature-ink); font-size: 1.05rem; }
.stat .k svg { width: 22px; height: 22px; color: var(--feature-accent); }
.stat p { font-size: .92rem; margin-top: 8px; color: var(--feature-gray); }

/* ---------- Portfolio / references (honest empty state) ---------- */
.ref-panel {
  border: 1px dashed var(--line-strong); border-radius: var(--radius-lg); padding: clamp(34px, 5vw, 56px);
  text-align: center; background: var(--surface);
}
.ref-panel .mark { width: 64px; height: 64px; margin: 0 auto 22px; border-radius: 18px; background: var(--tint); display: grid; place-items: center; }
.ref-panel .mark svg { width: 32px; height: 32px; color: var(--accent); }
.ref-panel h3 { font-size: clamp(1.3rem, 1.1rem + 1vw, 1.7rem); margin-bottom: 12px; }
.ref-panel p { max-width: 540px; margin: 0 auto 24px; }

/* CMS-gerenderte Projekt-Karten */
.ref-card { display: flex; flex-direction: column; }
.ref-card-img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius-sm); margin-bottom: 16px; }
.ref-card h3 { margin-bottom: 8px; }
.ref-card p { font-size: .96rem; }
.ref-card .link-arrow { margin-top: 14px; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-points { margin-top: 26px; display: grid; gap: 16px; }
.about-points li { display: flex; gap: 14px; align-items: flex-start; }
.about-points .ic { width: 40px; height: 40px; border-radius: 11px; background: var(--tint); color: var(--accent); display: grid; place-items: center; flex: none; }
.about-points .ic svg { width: 20px; height: 20px; }
.about-points b { display: block; color: var(--ink); margin-bottom: 2px; }
.about-points span.t { color: var(--gray); font-size: .96rem; }
.about-visual {
  border-radius: var(--radius-lg); border: 1px solid var(--line); background:
    linear-gradient(150deg, var(--tint), var(--surface)); aspect-ratio: 4/5; position: relative; overflow: hidden;
  display: grid; place-items: center; box-shadow: var(--shadow-md);
}
.about-visual .big-mark { width: 46%; opacity: .9; }
.about-visual .pattern { position: absolute; inset: 0; background-image: radial-gradient(var(--line-strong) 1px, transparent 1px); background-size: 24px 24px; opacity: .5; }
.about-visual .placeholder-note { position: absolute; bottom: 14px; left: 0; right: 0; text-align: center; font-size: .76rem; color: var(--gray-soft); }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 4px; background: none; border: 0; text-align: left; font-size: 1.08rem; font-weight: 650; color: var(--ink);
}
.faq-q .pm { flex: none; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line-strong); display: grid; place-items: center; transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur) var(--ease); }
.faq-q .pm svg { width: 16px; height: 16px; transition: transform var(--dur) var(--ease); }
.faq-q:hover .pm { border-color: var(--brand); color: var(--brand); }
.faq-item.is-open .pm { background: var(--brand); border-color: var(--brand); color: #fff; }
.faq-item.is-open .pm svg { transform: rotate(45deg); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height var(--dur) var(--ease); }
.faq-a-inner { padding: 0 4px 24px; color: var(--gray); max-width: 68ch; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band .inner { background: var(--feature-bg); color: var(--feature-ink); border-radius: var(--radius-lg); padding: clamp(44px, 7vw, 84px) 24px; position: relative; overflow: hidden; }
.cta-band .pattern { position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px); background-size: 22px 22px; opacity: .5; }
.cta-band .glow { position: absolute; bottom: -160px; left: 50%; transform: translateX(-50%); width: 560px; height: 360px; background: radial-gradient(closest-side, rgba(111,179,146,.4), transparent); filter: blur(10px); }
.cta-band h2 { color: var(--feature-ink); position: relative; max-width: 720px; margin-inline: auto; }
.cta-band p { color: var(--feature-gray); position: relative; max-width: 540px; margin: 16px auto 0; }
.cta-band .actions { position: relative; margin-top: 30px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Contact / Form ---------- */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: start; }
.contact-aside h2 { margin-bottom: 16px; }
.contact-channels { margin-top: 28px; display: grid; gap: 14px; }
.contact-channels a, .contact-channels .ci {
  display: flex; align-items: center; gap: 14px; padding: 16px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: var(--surface); transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.contact-channels a:hover { border-color: var(--brand); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.contact-channels .ic { width: 42px; height: 42px; border-radius: 11px; background: var(--tint); color: var(--accent); display: grid; place-items: center; flex: none; }
.contact-channels .ic svg { width: 20px; height: 20px; }
.contact-channels b { display: block; color: var(--ink); font-size: .95rem; }
.contact-channels span.v { color: var(--gray); font-size: .9rem; }

.form-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 3vw, 38px); box-shadow: var(--shadow-md); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .9rem; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.field label .req { color: var(--brand); }
.field label .opt { font-weight: 450; color: var(--gray-soft); font-size: .85em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: var(--bg); color: var(--ink); font-family: inherit; font-size: 1rem;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.field textarea { resize: vertical; min-height: 130px; }
.field input::placeholder, .field textarea::placeholder { color: var(--gray-soft); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: var(--ring); background: var(--surface); }
/* Sichtbare Validierung erst nach Eingabe (nicht beim leeren Erstzustand) */
.field input:not(:placeholder-shown):invalid,
.field textarea:not(:placeholder-shown):invalid {
  border-color: #c0362c; background: rgba(192,54,44,.04);
}
html[data-theme="dark"] .field input:not(:placeholder-shown):invalid,
html[data-theme="dark"] .field textarea:not(:placeholder-shown):invalid {
  border-color: #e0766c; background: rgba(224,118,108,.08);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.consent { display: flex; gap: 12px; align-items: flex-start; margin: 6px 0 22px; }
.consent input { width: 20px; height: 20px; margin-top: 3px; flex: none; accent-color: var(--brand); }
.consent label { font-size: .88rem; color: var(--gray); font-weight: 450; line-height: 1.5; }
.consent a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.form-hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-note { margin-top: 14px; font-size: .82rem; color: var(--gray-soft); text-align: center; }
.cf-turnstile { margin: 4px 0 18px; min-height: 65px; }
.form-status { margin-top: 14px; padding: 12px 14px; border-radius: var(--radius-sm); font-size: .92rem; font-weight: 550; animation: status-in var(--dur) var(--ease); }
.form-status[hidden] { display: none; }
@keyframes status-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.btn[aria-busy="true"] { opacity: .7; cursor: wait; pointer-events: none; }
.form-status.is-ok { background: var(--tint); color: var(--accent); border: 1px solid var(--brand); }
.form-status.is-err { background: rgba(179,38,30,.08); color: #c0362c; border: 1px solid rgba(179,38,30,.35); }
html[data-theme="dark"] .form-status.is-err { color: #f1a9a2; }

/* ---------- Footer ---------- */
.site-footer { background: var(--feature-bg); color: var(--feature-gray); padding-top: clamp(56px, 7vw, 88px); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.site-footer .f-logo img { height: 30px; }
.site-footer .f-about { margin-top: 18px; max-width: 32ch; font-size: .95rem; color: var(--feature-gray); }
.site-footer h4 { color: var(--feature-ink); font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 18px; font-weight: 650; }
.site-footer .f-col a, .site-footer .f-col .fi { display: block; padding: 7px 0; color: var(--feature-gray); font-size: .96rem; transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease); }
.site-footer .f-col a:hover { color: var(--feature-ink); transform: translateX(3px); }
.site-footer .f-col a.btn { display: inline-flex; padding: 10px 16px; color: #fff; }
.site-footer .f-col a.btn:hover { color: #fff; transform: translateY(-2px); }
.footer-social { display: flex; gap: 10px; margin-top: 8px; }
.footer-social a { width: 40px; height: 40px; border-radius: 11px; border: 1px solid var(--feature-line); display: grid; place-items: center; color: var(--feature-gray); transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease); }
.footer-social a:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.footer-social svg { width: 19px; height: 19px; }
.footer-bottom { border-top: 1px solid var(--feature-line); padding-block: 24px; display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; }
.footer-bottom p { color: var(--feature-gray); font-size: .88rem; }
.footer-bottom .fb-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-bottom .fb-links a { color: var(--feature-gray); font-size: .88rem; transition: color var(--dur-fast) var(--ease); }
.footer-bottom .fb-links a:hover { color: var(--feature-ink); }

/* ---------- Legal / content pages ---------- */
.legal { padding-block: clamp(48px, 7vw, 96px); }
.legal .container { max-width: var(--container-narrow); }
.legal h1 { margin-bottom: 12px; }
.legal .updated { color: var(--gray-soft); font-size: .9rem; margin-bottom: 36px; }
.legal h2 { font-size: 1.4rem; margin-top: 40px; margin-bottom: 12px; }
.legal h3 { font-size: 1.1rem; margin-top: 24px; margin-bottom: 8px; }
.legal p, .legal li { color: var(--gray); margin-bottom: 12px; }
.legal ul { list-style: disc; padding-left: 22px; }
.legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.legal .placeholder { background: var(--tint); border: 1px solid var(--line-strong); border-radius: 8px; padding: 2px 8px; font-weight: 600; color: var(--ink); }

/* Thank-you page */
.thanks { min-height: 70vh; display: grid; place-items: center; text-align: center; padding-block: 80px; }
.thanks .check { width: 84px; height: 84px; margin: 0 auto 28px; border-radius: 50%; background: var(--tint); display: grid; place-items: center; color: var(--brand); }
.thanks .check svg { width: 42px; height: 42px; }
.thanks h1 { margin-bottom: 16px; }
.thanks p { max-width: 480px; margin: 0 auto 28px; font-size: 1.1rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(var(--reveal-y)); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn, .card, .process-step .num, * { transition-duration: .001ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-top .f-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .main-nav, .header-actions .lang-switch, .header-actions .desktop-cta { display: none; }
  /* Unterseiten ohne Burger-Menü: Sprachumschalter im Header behalten */
  .site-header.simple .header-actions .lang-switch { display: inline-flex; }
  .nav-toggle { display: inline-grid; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .process-step { grid-template-columns: 1fr; gap: 12px; }
  .process-step .num { width: 48px; height: 48px; font-size: 1rem; }
  .hero-cta .btn { width: 100%; }
}
@media (min-width: 761px) { .mobile-nav { display: none; } }