/* IBM Plex — self-hosted (no request to Google Fonts) */
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-ext-400-normal.woff2") format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-ext-500-normal.woff2") format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-ext-600-normal.woff2") format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-ext-700-normal.woff2") format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-700-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/ibm-plex-mono-latin-ext-400-normal.woff2") format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/ibm-plex-mono-latin-ext-500-normal.woff2") format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/ibm-plex-mono-latin-ext-600-normal.woff2") format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}

/* ============================================================
   Tap.X Design System — Tokens
   Colors, typography, spacing, radii, shadows, semantic styles.
   Reference: tapx_designsystem.adoc (uploads/)
   ============================================================ */


/* Miriam Libre (brand display) — local variable font supplied by brand team */
@font-face {
  font-family: "Miriam Libre";
  src: url("../fonts/MiriamLibre-VariableFont_wght.ttf") format("truetype-variations"),
       url("../fonts/MiriamLibre-VariableFont_wght.ttf") format("truetype");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* ---------- Color · Dark surfaces (primary system) ---------- */
  --tapx-black:           #0C0C0C; /* gray1000 — page background, hero */
  --graphite-900:         #18181C; /* gray900  — section container    */
  --graphite-800:         #1D1D20; /* gray800  — card / panel surface */
  --graphite-600:         #2A2A2D; /* gray600  — elevated content     */

  /* ---------- Color · Borders ---------- */
  --border-subtle:        #2A2A2D; /* table lines, dividers in panels */
  --border-card:          #3B3B40; /* card outlines, section dividers */
  --border-interactive:   #484851; /* button borders, nav dividers    */

  /* ---------- Color · Text on dark ---------- */
  --signal-white:         #F7F8F8; /* primary text, headings          */
  --tapx-grey:            #A1A4AF; /* body text, captions, icons      */
  --disabled-grey:        #77787C; /* disabled, placeholder, tertiary */

  /* ---------- Color · Accent ---------- */
  --tapx-red:             #C8322A; /* marketing red — CTA, logo X     */
  --tapx-red-hover:       #B22C24;
  --tapx-red-press:       #9B271F;
  --error-red:            #DF2424; /* software red (screenshots only) */

  /* ---------- Color · Status (functional only) ---------- */
  --status-pass:          #1CA833;
  --status-fail:          #C8322A;
  --status-warning:       #FAA953;
  --status-info:          #5D97DE;
  --status-draft:         #A1A4AF;

  /* ---------- Color · Light variant (print / PDFs) ---------- */
  --paper-white:          #FFFFFF;
  --soft-bg:              #F8FAFD;
  --light-border:         #D4DAE1;
  --dark-text:            #0F172A;
  --secondary-text:       #64748B;

  /* ---------- Typography ---------- */
  --font-display:         "Miriam Libre", "Arial Black", system-ui, sans-serif;
  --font-body:            "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:            "IBM Plex Mono", "JetBrains Mono", ui-monospace, monospace;

  /* Hero / Display */
  --fs-hero:              80px; /* 56–80px */
  --fs-h1:                56px;
  --fs-h2:                40px; /* 36–48px */
  --fs-h3:                24px; /* 20–26px */
  --fs-lead:              20px;
  --fs-body:              16px; /* 16–18px */
  --fs-body-lg:           18px;
  --fs-small:             14px;
  --fs-caption:           12px;

  --lh-tight:             0.95;
  --lh-headline:          1.1;
  --lh-subhead:           1.15;
  --lh-body:              1.55;
  --lh-caption:           1.4;

  --tracking-display:     -0.01em;  /* slight negative on big headlines */
  --tracking-body:        0;
  --tracking-label:       0.08em;   /* uppercase labels */

  --fw-regular:           400;
  --fw-medium:            500;
  --fw-semibold:          600;
  --fw-bold:              700;

  /* ---------- Spacing (4px base, modular) ---------- */
  --space-0:              0;
  --space-1:              4px;
  --space-2:              8px;
  --space-3:              12px;
  --space-4:              16px;
  --space-5:              20px;
  --space-6:              24px;
  --space-8:              32px;
  --space-10:             40px;
  --space-12:             48px;
  --space-16:             64px;
  --space-20:             80px;
  --space-24:             96px;
  --space-32:             128px;

  /* ---------- Radius (modest, technical) ---------- */
  --radius-xs:            2px;
  --radius-sm:            4px;
  --radius-md:            6px;  /* badges */
  --radius-lg:            8px;  /* cards, buttons, inputs, video */
  --radius-xl:            12px;
  --radius-pill:          999px;

  /* ---------- Shadows (used sparingly) ---------- */
  --shadow-none:          none;
  --shadow-sm:            0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-card:          0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-pop:           0 12px 32px rgba(0, 0, 0, 0.55);
  --ring-focus:           0 0 0 2px rgba(200, 50, 42, 0.45);

  /* ---------- Motion ---------- */
  --ease-standard:        cubic-bezier(0.2, 0.0, 0.0, 1);
  --ease-in:              cubic-bezier(0.4, 0.0, 1, 1);
  --ease-out:             cubic-bezier(0.0, 0.0, 0.2, 1);
  --dur-fast:             120ms;
  --dur-base:             180ms;
  --dur-slow:             280ms;

  /* ---------- Layout ---------- */
  --container-max:        1280px;
  --container-narrow:     960px;
  --grid-gutter:          24px;
}

/* ============================================================
   Semantic element defaults
   Use these classes/elements directly inside any Tap.X surface.
   ============================================================ */

/* ============================================================
   Tap.X Website — Master stylesheet
   Extends tokens.css. Used by every page on the site.
   ============================================================ */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--tapx-black);
  color: var(--signal-white);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

::selection { background: var(--tapx-red); color: var(--signal-white); }

img { display: block; max-width: 100%; }

/* ============================================================
   Layout helpers
   ============================================================ */

.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

.stack { display: flex; flex-direction: column; }
.row { display: flex; align-items: center; } .gap-16 { gap: 16px; }

/* ============================================================
   Typography utilities
   ============================================================ */

h1, h2, h3, h4, p { margin: 0; }

.display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 0.98;
}

.eyebrow {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tapx-red);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before { content: "▸"; font-size: 11px; }
.eyebrow.muted { color: var(--tapx-grey); }
.eyebrow.muted::before { color: var(--tapx-red); }

.lead {
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.55;
  color: var(--tapx-grey);
}

.label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tapx-grey);
}

.red { color: var(--tapx-red); }
.muted { color: var(--disabled-grey); }

/* ============================================================
   Nav
   ============================================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 12, 12, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 36px;
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.nav-logo img { height: 30px; width: auto; display: block; }
.brand-lockup { display: inline-flex; flex-direction: column; align-items: center; gap: 4px; }
/* Kachel-Lockups nach Markendokument: oben 2G (Kachel, ohne Schriftzug), unten 2C (Kachel mit Schriftzug) */
.brand-tile { position: relative; display: inline-block; width: 44px; height: 44px; background: var(--graphite-600, #1D1D20); border: 1px solid var(--border-card, #3B3B40); border-radius: 9px; flex-shrink: 0; }
.brand-tile img { position: absolute; left: 50%; top: 50%; height: 35px !important; width: auto; display: block; margin: 0 !important; transform: translate(-42.8%, -50%); }
.footer-wordmark { height: 28px; width: auto; margin-bottom: 12px; display: block; }
.footer-claim { font-family: var(--font-display); font-weight: 400; font-size: 16px; line-height: 1.35; color: var(--signal-white) !important; margin: 0 0 12px; }
.footer-claim span { color: var(--tapx-red); font-weight: 800; }

.nav-links {
  display: flex;
  gap: 4px;
  flex: 1;
  height: 100%;
  align-items: stretch;
}
.nav-link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--tapx-grey);
  padding: 0 14px;
  height: 100%;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--dur-fast) var(--ease-standard);
  position: relative;
  cursor: pointer;
  background: transparent;
  border: none;
  font-family: inherit;
}
.nav-link:hover, .nav-link.active { color: var(--signal-white); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px;
  bottom: -1px;
  height: 1px;
  background: var(--tapx-red);
}

.nav-cta { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }
/* Avatar dropdown (site-weit einheitlich) */
/* Sprachumschaltung */
/* Sprachauswahl-Seite */

/* Mega-menu / dropdown */

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  padding: 11px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-standard);
  white-space: nowrap;
  text-decoration: none;
}
/* Primary per Tap.X Marketing Design System: white action, black text (one white action per screen) */
.btn-primary { background: var(--signal-white); color: var(--tapx-black); }
.btn-primary:hover { background: #E4E5E8; }
.btn-primary:active { background: #CDCFD4; }
.btn-secondary {
  background: transparent;
  color: var(--signal-white);
  border-color: var(--border-interactive);
}
.btn-secondary:hover { border-color: var(--tapx-grey); }
.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-sm { padding: 8px 14px; font-size: 13px; }

.btn .arr {
  display: inline-block;
  transition: transform var(--dur-fast);
}
.btn:hover .arr { transform: translateX(3px); }

/* Link-style call to action with red underline */
.link-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--signal-white);
  border-bottom: 1px solid var(--tapx-red);
  padding-bottom: 2px;
  transition: gap var(--dur-fast);
}
.link-cta:hover { gap: 10px; }

/* ============================================================
   Sections
   ============================================================ */

.section {
  padding: 120px 0;
  border-top: 1px solid var(--border-subtle);
  position: relative;
}
.section.tight { padding: 80px 0; }
.section-graphite { background: var(--graphite-900); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 760px;
  margin-bottom: 64px;
}
.section-head.center { margin-left: auto; margin-right: auto; align-items: center; text-align: center; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 5.2vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.018em;
  color: var(--signal-white);
}
.section-head h2 .accent { color: var(--tapx-red); }
.section-head p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  color: var(--tapx-grey);
}

/* ============================================================
   Cards & grids
   ============================================================ */

.grid { display: grid; gap: 16px; }

.card {
  background: var(--graphite-800);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--dur-fast) var(--ease-standard),
              transform var(--dur-fast) var(--ease-standard);
  position: relative;
  text-decoration: none;
  color: inherit;
}
.card:hover { border-color: var(--border-interactive); }
.card.linked { cursor: pointer; }
.card.linked:hover { border-color: var(--tapx-red); }
.card h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.25;
  color: var(--signal-white);
}
.card p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--tapx-grey);
  flex: 1;
}

/* "Numbered" pain-point card */

/* ============================================================
   Status chips & badges
   ============================================================ */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  color: #fff;
  line-height: 1.5;
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  padding: 120px 0 140px;
  overflow: hidden;
  border-top: 1px solid var(--border-subtle);
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(56px, 8vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.022em;
  color: var(--signal-white);
}
.hero h1 .accent { color: var(--tapx-red); }
.hero p.lead {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.55;
  color: var(--tapx-grey);
  max-width: 600px;
}

/* Rotating word */

/* ============================================================
   Page-header (for subpages)
   ============================================================ */

.page-head {
  padding: 80px 0 60px;
  border-top: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}
.page-head .inner {
  max-width: 880px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: relative;
  z-index: 1;
}
.page-head h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 5.6vw, 72px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--signal-white);
}
.page-head h1 .accent { color: var(--tapx-red); }
.page-head p.lead {
  max-width: 640px;
}

/* Crumbs */
.crumbs {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--disabled-grey);
  margin-bottom: 4px;
}
.crumbs a { color: var(--tapx-grey); }
.crumbs a:hover { color: var(--signal-white); }
.crumbs .sep { color: var(--border-interactive); }
.crumb-bar { border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); background: var(--tapx-black); }
.crumb-bar .crumbs { margin: 0; min-height: 40px; align-items: center; }
.crumb-bar + .lp-hero { border-top: none; min-height: calc(100vh - var(--nav-h, 65px) - 41px); }
.crumb-bar + .page-head { border-top: none; }

/* ============================================================
   "Frame" (industrial bordered container with corner dots)
   ============================================================ */

.frame {
  position: relative;
  padding: 64px;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
}
.frame .dot {
  position: absolute;
  width: 9px; height: 9px;
  background: var(--tapx-red);
  opacity: 0.75;
}
.frame .dot.br { bottom: -1px; right: -1px; clip-path: polygon(100% 0, 0 100%, 100% 100%); }

/* Section-style ticker (logos / customer marquee placeholder) */

/* ============================================================
   Mock product surfaces (used on home + features)
   ============================================================ */

/* ============================================================
   Demo CTA (footer-of-page banner)
   ============================================================ */

/* ============================================================
   Footer
   ============================================================ */

.footer {
  padding: 96px 0 40px;
  background: var(--tapx-black);
  border-top: 1px solid var(--border-subtle);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border-subtle);
}
.footer-col h4 {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tapx-grey);
  margin-bottom: 18px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  font-size: 14px;
  color: var(--signal-white);
  transition: color var(--dur-fast);
}
.footer-col a:hover { color: var(--tapx-red); }
.footer-brand img { height: 28px; margin-bottom: 18px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--tapx-grey);
  margin-bottom: 20px;
  max-width: 320px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 28px;
  font-size: 12px;
  color: var(--tapx-grey);
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a:hover { color: var(--signal-white); }

/* ============================================================
   Custom: feature-page section helpers
   ============================================================ */

/* Stat block */

/* Stepper (process diagram) */

/* Inline KV table */

/* Pricing-style card */

/* Form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 12px;
  font-weight: 500;
  color: var(--tapx-grey);
  letter-spacing: 0.04em;
}
.field input,
.field textarea,
.field select {
  background: var(--graphite-900);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--signal-white);
  transition: border-color var(--dur-fast);
}
.field input::placeholder, .field textarea::placeholder { color: var(--disabled-grey); }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--tapx-red);
  box-shadow: var(--ring-focus);
}
.field textarea { min-height: 120px; resize: vertical; font-family: var(--font-body); }

/* Architecture diagram blocks */

/* ============================================================
   Animations: entrance
   ============================================================ */

.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 700ms var(--ease-standard),
              transform 700ms var(--ease-standard);
}
.fade-in.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Why OpenTAP grid
   ============================================================ */

/* ============================================================
   Tap.X Architecture diagram
   ============================================================ */

/* ============================================================
   Role table (Zielgruppen)
   ============================================================ */

/* ============================================================
   Legal pages (Impressum, Datenschutz, Nutzungsbedingungen)
   ============================================================ */

.legal-doc {
  max-width: 780px;
  color: var(--tapx-grey);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
}
.legal-doc h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--signal-white);
  margin: 40px 0 14px;
  letter-spacing: -0.005em;
  line-height: 1.25;
}
.legal-doc h2:first-child { margin-top: 0; }
.legal-doc p { margin: 0 0 16px; }
.legal-doc p strong { color: var(--signal-white); font-weight: 600; }
.legal-doc a { color: var(--tapx-red); text-decoration: none; border-bottom: 1px solid rgba(200, 50, 42, 0.4); }
.legal-doc a:hover { color: var(--tapx-red-hover); border-bottom-color: var(--tapx-red-hover); }
.legal-doc ul {
  margin: 0 0 16px 0;
  padding-left: 22px;
}
.legal-doc ul li { margin-bottom: 6px; }
.legal-doc .muted { color: var(--disabled-grey); font-style: italic; }
.legal-doc .legal-kv {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 10px 24px;
  margin: 0 0 20px;
}
.legal-doc .legal-kv dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--tapx-grey);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.legal-doc .legal-kv dd {
  margin: 0;
  color: var(--signal-white);
  font-size: 14px;
}
.legal-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--disabled-grey);
  margin-top: 28px !important;
}
.legal-placeholder {
  margin-top: 32px !important;
  padding: 16px 18px;
  background: rgba(200, 50, 42, 0.06);
  border: 1px solid rgba(200, 50, 42, 0.3);
  border-radius: 8px;
  font-size: 13px;
  color: var(--tapx-grey);
  line-height: 1.55;
}
.legal-placeholder strong { color: var(--tapx-red); }

/* ============================================================
   Language / stack callout — used on plattform.html under
   the OpenTAP vs. Tap.X comparison cards.
   ============================================================ */

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
@media (max-width: 820px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 80px 0; }
  .frame { padding: 32px; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

/* Disabled dropdown item (coming soon) */
/* Interactive product mega menu */
/* Offer note under hub cards */
.offer-note{margin-top:20px;font-size:14px;color:var(--tapx-grey);line-height:1.6}
.offer-note strong{color:var(--signal-white);font-weight:600}
.offer-note a{color:var(--tapx-red);border-bottom:1px solid rgba(200,50,42,0.4)}
.offer-note a:hover{color:var(--tapx-red-hover)}

/* Tap.X Landing — Precision Cinema (extends tokens.css + site.css) */

/* ---------- Hero ---------- */
.lp-hero{position:relative;min-height:calc(100vh - var(--nav-h,65px));display:flex;align-items:center;padding:96px 0;overflow:hidden}
/* no divider under the nav while the page is at the very top */
/* at the very top the nav is see-through and the hero runs up behind it, so nav and hero read as one surface */
body[data-page="home"] .nav{border-bottom-color:transparent;transition:border-color 200ms var(--ease-standard),background-color 200ms var(--ease-standard)}
body[data-page="home"]:not(.is-scrolled) .nav{background-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
/* scrolled: no black bar, just a light frosted-glass tint so the links stay readable over the content */
body[data-page="home"].is-scrolled .nav{background-color:rgba(24,24,28,0.35);border-bottom-color:rgba(255,255,255,0.06)}
/* the nav's blur sits on a pseudo-layer, so the pop-ups inside the nav can blur the page behind them too */
body[data-page="home"] .nav{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
body[data-page="home"] .nav::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
body[data-page="home"]:not(.is-scrolled) .nav::before{display:none}
/* nav pop-ups (mega menu, dropdowns, language, account) in the same light frosted-glass style as the header */
body[data-page="home"] .dropdown-panel,
body[data-page="home"] .av-menu,
body[data-page="home"] .lang-list{background:rgba(24,24,28,0.62);-webkit-backdrop-filter:blur(20px) saturate(140%);backdrop-filter:blur(20px) saturate(140%);border-color:rgba(255,255,255,0.09);box-shadow:0 18px 50px rgba(0,0,0,0.45)}
body[data-page="home"] .dropdown-item:hover,
body[data-page="home"] .mega-tab.active,
body[data-page="home"] .av-menu a:hover,
body[data-page="home"] .av-menu button:hover,
body[data-page="home"] .lang-list button:hover{background:rgba(255,255,255,0.07)}
body[data-page="home"] .mega-rail{border-right-color:rgba(255,255,255,0.08)}
body[data-page="home"] .lp-hero{margin-top:-65px;min-height:100vh;padding-top:161px}
@media (max-width:640px){body[data-page="home"] .lp-hero{padding-top:137px}}
.lp-hero>.container{width:100%}
.lp-hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.lp-hero-bg video{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);min-width:100%;min-height:100%;width:auto;height:auto;aspect-ratio:16/9;border:0;opacity:0.2;filter:grayscale(35%);pointer-events:none}
.lp-hero-bg .lp-hero-x{position:absolute;right:-120px;top:50%;transform:translateY(-50%);height:150%;width:auto;opacity:0.3;user-select:none}
.lp-hero-bg.has-video .lp-hero-x{opacity:0.55;filter:drop-shadow(0 0 60px rgba(0,0,0,0.5))}
.lp-hero-bg-shade{position:absolute;inset:0;background:linear-gradient(90deg,var(--graphite-900) 0%,rgba(13,15,18,0.55) 55%,rgba(13,15,18,0.35) 100%),linear-gradient(0deg,var(--graphite-900),transparent 30%)}
.lp-hero-copy{display:flex;flex-direction:column;gap:26px}
.lp-hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,4.3vw,68px);line-height:1.05;letter-spacing:-0.02em;color:var(--signal-white);white-space:nowrap}
@media (max-width:700px){.lp-hero h1{white-space:normal}}
.lp-hero .lead{max-width:540px;font-size:19px}
/* rotating word: soft blur cross-fade, then the red Tap.X check mark ticks the word off */
.lp-hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
/* ---------- Hero layout (home): short centered copy on top, big software video below,
   both together fill the first screen so the whole video is visible on load ---------- */
body[data-page="home"] .lp-hero{display:block;min-height:0;padding-top:105px;padding-bottom:72px}
.lp-hero-inner{position:relative;z-index:1}
.lp-hero-screen{height:calc(100vh - 105px - 28px);min-height:560px;display:flex;flex-direction:column}
.lp-hero-screen .lp-hero-copy{flex:none;align-items:flex-start;text-align:left;gap:16px}
/* hero text: small red kicker, big white main claim, small grey subline */
.lp-hero-kicker{margin:0;font-family:var(--font-display);font-weight:700;font-size:clamp(15px,1.2vw,18px);letter-spacing:0.01em;color:var(--tapx-red)}
.lp-hero .lp-hero-title{margin:0;white-space:normal;max-width:22ch;text-wrap:balance;font-size:clamp(34px,3.7vw,58px);line-height:1.06}
.lp-hero-sub{margin:0;max-width:640px;font-size:clamp(15px,1.15vw,18px);line-height:1.55;color:var(--tapx-grey);text-wrap:pretty}
.lp-hero-sub a{color:var(--tapx-grey);text-decoration:none;border-bottom:1px solid rgba(161,164,175,0.45)}
.lp-hero-sub a:hover{color:var(--signal-white);border-bottom-color:var(--signal-white)}
.lp-hero-screen .lp-hero-cta{justify-content:flex-start;margin-top:8px}
.lp-hero-stage{flex:1;min-height:0;margin-top:36px;container-type:size;display:flex;justify-content:flex-start;align-items:flex-start}
.lp-media.lp-hero-video{margin:0;width:min(100cqw,calc(100cqh * 16 / 9));border-radius:14px;border:1px solid rgba(255,255,255,0.09);box-shadow:0 40px 100px rgba(0,0,0,0.6),0 0 0 1px rgba(0,0,0,0.4)}
.lp-hero-video .lp-media-body{aspect-ratio:16/9}
.lp-hero-video video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;background:var(--graphite-900)}
@media (max-width:900px){
  .lp-hero-screen{height:auto;min-height:0}
  .lp-hero-stage{flex:none;container-type:normal;display:block}
  .lp-media.lp-hero-video{width:100%}
}
@media (max-width:640px){body[data-page="home"] .lp-hero{padding-top:97px;padding-bottom:56px}}
.lp-media{position:relative;z-index:1;width:100%;background:var(--graphite-800);border:1px solid var(--border-card);border-radius:8px;overflow:hidden}
.lp-media-bar{display:flex;align-items:center;gap:10px;padding:9px 14px;border-bottom:1px solid var(--border-subtle);background:var(--graphite-800)}
.lp-media-bar .t{font-family:var(--font-mono);font-size:11px;color:var(--tapx-grey);letter-spacing:0.02em}
.lp-media-bar .s{margin-left:auto;font-family:var(--font-mono);font-size:10px;color:var(--disabled-grey);letter-spacing:0.06em}
.lp-media-body{position:relative;aspect-ratio:16/10;background:var(--graphite-900)}
.lp-media-body image-slot{position:absolute;inset:0}
/* entrance stagger */
.lp-hero .st{opacity:0;transform:translateY(8px);animation:lp-in 600ms var(--ease-standard) forwards}
.lp-hero .st1{animation-delay:40ms}.lp-hero .st2{animation-delay:120ms}.lp-hero .st3{animation-delay:200ms}.lp-hero .st4{animation-delay:280ms}
@keyframes lp-in{to{opacity:1;transform:none}}

/* ---------- Proof strip (3-row marquee) ---------- */
/* launch notice strip */
.lp-launch{padding:36px 0;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}
.lp-launch-inner{display:flex;align-items:center;justify-content:space-between;gap:24px 40px;flex-wrap:wrap}
.lp-launch-copy{display:flex;flex-direction:column;gap:8px;min-width:0}
.lp-launch-kicker{font-family:var(--font-mono);font-size:11px;letter-spacing:0.16em;text-transform:uppercase;color:var(--tapx-red)}
.lp-launch-text{margin:0;font-family:var(--font-display);font-weight:700;font-size:clamp(20px,1.8vw,26px);line-height:1.3;letter-spacing:-0.01em;color:var(--signal-white)}
.lp-launch-text span{display:block;font-family:var(--font-body);font-weight:400;font-size:16px;letter-spacing:0;color:var(--tapx-grey);margin-top:4px}

/* ---------- Lifecycle ---------- */

/* Auflösung unter den drei Punkten */
.pr-frame{border:1px solid transparent;border-radius:16px;padding:0 28px 28px;margin:0 -28px;transition:border-color 520ms var(--ease-standard),background 520ms var(--ease-standard)}
.pr-frame.in{border-color:#878787;background:linear-gradient(135deg,rgba(135,135,135,0.10),rgba(135,135,135,0.03) 55%,rgba(135,135,135,0.07))}
/* hover: the whole row (01 / 02 / 03) lights up as one grey box */
#pr-frame .pr-row{margin-inline:-16px;padding-inline:16px;border-radius:12px;background-color:transparent;box-shadow:inset 0 0 0 1px transparent;transition:background-color 260ms var(--ease-standard),box-shadow 260ms var(--ease-standard)}
#pr-frame .pr-row:hover{background-color:rgba(135,135,135,0.16);box-shadow:inset 0 0 0 1px #878787,inset 0 1px 0 rgba(255,255,255,0.14),0 0 28px rgba(135,135,135,0.14)}
#pr-frame .pr-row:hover .pr-num{color:var(--tapx-red)}
@media (max-width:900px){#pr-frame .pr-row{margin-inline:-10px;padding-inline:10px}}
.pr-frame .pr-row:first-child{border-top:0}
@media (max-width:900px){.pr-frame{padding:0 18px 20px;margin:0 -18px}}
.pr-outro{margin:32px 0 0;font-family:var(--font-display);font-weight:700;font-size:clamp(26px,2.4vw,40px);line-height:1.1;letter-spacing:-0.012em;color:var(--signal-white);opacity:0;transform:translateY(14px);transition:opacity 520ms var(--ease-standard),transform 520ms var(--ease-standard)}
.pr-outro-logo{display:inline-block;height:1.3em;width:auto;vertical-align:-0.22em;margin-right:.12em}
.pr-outro.in{opacity:1;transform:none}

/* ohne/mit toggle + scroll pin */
@media (min-width:900px){
.pr-pin{height:340vh}
.pr-pin #problem{position:sticky;top:0;min-height:100vh;display:flex;align-items:center;box-sizing:border-box;padding:min(64px,5vh) 0}
.pr-pin #problem .container{width:100%}
.pr-pin .section-head{margin-bottom:min(40px,4vh)}
.pr-pin .section-head h2{font-size:clamp(28px,2.6vw,44px)}
.pr-pin .section-head p{font-size:16px}
.pr-pin .pr-row{padding:min(36px,3.4vh) 0;gap:40px}
.pr-pin .pr-num{font-size:clamp(36px,4.5vh,56px)}
.pr-pin .pr-row h3{font-size:clamp(20px,2vw,27px)}
.pr-pin .pr-row p{font-size:15px;line-height:1.55}
}
.pr-row{perspective:1100px}
.pr-swap{display:grid;min-width:0;transform-style:preserve-3d;transform:translateZ(calc(-1*var(--r,40px)))}
.pr-swap>.pr-face{grid-area:1/1;backface-visibility:hidden;transition:transform 760ms cubic-bezier(0.65,0,0.35,1),opacity 760ms cubic-bezier(0.65,0,0.35,1)}
.pr-face.pr-ohne{transform:rotateX(0deg) translateZ(var(--r,40px))}
.pr-face.pr-mit{opacity:0;transform:rotateX(-90deg) translateZ(var(--r,40px));pointer-events:none}
.pr-row.flipped .pr-face.pr-mit{opacity:1;transform:rotateX(0deg) translateZ(var(--r,40px));pointer-events:auto}
.pr-row.flipped .pr-face.pr-ohne{opacity:0;transform:rotateX(90deg) translateZ(var(--r,40px));pointer-events:none}
.pr-row.flipped h3.pr-mit{color:var(--signal-white)}
.pr-row.flipped .pr-num{color:var(--tapx-red)}
.pr-num{transition:color 480ms var(--ease-standard)}

/* ---------- Problem (editorial rows) ---------- */
.pr-row{display:grid;grid-template-columns:120px minmax(0,420px) minmax(0,1fr);gap:48px;padding:56px 0;border-top:1px solid var(--border-card);align-items:start}
.pr-row:last-of-type{border-bottom:1px solid var(--border-card)}
.pr-num{font-family:var(--font-display);font-weight:700;font-size:64px;line-height:0.9;color:var(--tapx-red);letter-spacing:-0.02em}
.pr-row h3{font-family:var(--font-display);font-weight:700;font-size:clamp(24px,2.4vw,32px);line-height:1.12;letter-spacing:-0.012em;color:var(--signal-white)}
.pr-row p{font-size:16px;line-height:1.6;color:var(--tapx-grey);max-width:520px;text-wrap:pretty}

/* ---------- Proof chapters ---------- */

/* ---------- Proof stacked cards ---------- */

/* ---------- Scale diagram ---------- */

/* ---------- Roles ---------- */

/* ---------- Stats ---------- */

/* ---------- Roles ---------- */

/* ---------- Statement band ---------- */

/* ---------- OpenTAP hub ---------- */
#opentap .section-head{max-width:none}
#opentap .section-head p{max-width:none}
.ot-h2-logo{height:0.74em;width:auto;vertical-align:baseline;transform:translateY(0.12em);display:inline-block;margin:0 0.12em 0 0.18em}
/* ---------- Offer tabs (Softwarelösung) ---------- */
.offer-shell{position:relative;background:var(--graphite-800);border:1px solid var(--border-card);border-radius:24px;padding:44px 48px;overflow:hidden}
.offer-tabs{position:relative;z-index:2;display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.offer-tab{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:190px;background:none;border:1px solid var(--border-card);border-radius:999px;padding:11px 22px;font-family:var(--font-body);font-size:14px;font-weight:600;color:var(--tapx-grey);cursor:pointer;transition:all 160ms var(--ease-standard)}
.offer-tab:hover{border-color:var(--tapx-grey);color:var(--signal-white)}
.offer-tab.active{background:var(--signal-white);border-color:var(--signal-white);color:var(--graphite-900)}
.offer-copy-logo{height:34px;width:auto;display:block}
.offer-pane[data-offer="plugins"] .offer-copy-logo{height:26px}
.offer-tab img{height:20px;width:auto;display:block}
.offer-tab .tab-logo-d{display:none}
.offer-tab.active .tab-logo-d{display:block}
.offer-tab.active .tab-logo-w{display:none}
.offer-stage{position:static}
.offer-pane{display:none;position:static;min-height:420px}
.offer-pane.active{display:block;animation:offer-in 320ms var(--ease-standard)}
@keyframes offer-in{from{opacity:0}to{opacity:1}}
.offer-visual{position:absolute;inset:0;z-index:0}
.offer-visual image-slot{width:100%;height:100%}
.offer-pane::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(20,21,23,0.92) 0%,rgba(20,21,23,0.72) 38%,rgba(20,21,23,0) 68%);pointer-events:none}
.offer-copy{position:relative;z-index:2;display:flex;flex-direction:column;gap:18px;align-items:flex-start;max-width:440px;padding:48px 0 48px 8px;min-height:420px;justify-content:center;box-sizing:border-box}
.offer-copy h3{font-family:var(--font-display);font-weight:700;font-size:clamp(28px,2.8vw,40px);line-height:1.08;letter-spacing:-0.014em;color:var(--signal-white);margin:0}
.offer-copy p{font-size:16px;line-height:1.6;color:var(--tapx-grey);margin:0}
.offer-copy .btn{margin-top:8px}
@media (max-width:900px){.offer-shell{padding:28px 20px}.offer-copy{max-width:none;padding:24px 8px;min-height:0}.offer-pane{min-height:0}}
.offer-tapx-logo{height:31px;width:auto;display:block}
.ot-lang-h{display:flex;align-items:center;gap:10px}
.ot-lang-tags{display:inline-flex;gap:8px}
.ot-lang-tags img{width:32px;height:32px;display:block}
#opentap .card{display:flex;flex-direction:column;gap:10px}
.ot-bento{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.ot-b-card{position:relative;overflow:hidden;padding:26px 24px 28px;background:linear-gradient(160deg,var(--graphite-800,#17181a),transparent 80%);transition:border-color 180ms,transform 180ms}
.ot-b-card:hover{border-color:rgba(135,135,135,0.7);transform:translateY(-3px)}
.ot-b-card .idx{position:absolute;top:20px;right:22px;font-family:var(--font-mono);font-size:11px;letter-spacing:0.1em;color:var(--disabled-grey)}
.ot-b-card::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:linear-gradient(90deg,#878787,transparent 70%);opacity:0;transition:opacity 180ms}
.ot-b-card:hover::after{opacity:1}
.ot-b-hw{grid-column:1/-1;padding:36px 36px 28px;background:linear-gradient(180deg,var(--graphite-800,#17181a),transparent 70%)}
.ot-b-hw-head{display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.ot-b-hw-head h3{font-family:var(--font-display);font-weight:700;font-size:clamp(24px,2.4vw,32px);line-height:1.15;letter-spacing:-0.014em;margin:0}
.ot-b-hw-head h3 .accent{color:var(--tapx-red)}
.ot-b-hw-head p{margin:0;font-size:15px;line-height:1.6;color:var(--tapx-grey)}
@media (max-width:1100px){.ot-bento{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){.ot-bento{grid-template-columns:1fr}}
/* ---------- OpenTAP: copy left, swipeable card deck right ---------- */
/* both columns same width and same height: the deck stretches to the height of the copy on the left */
.ot-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:stretch;margin-bottom:56px}
.ot-top-copy{display:flex;flex-direction:column}
.ot-top-copy .section-head{margin-bottom:28px}
.ot-top-copy .row{margin-bottom:0!important}
.ot-deck{position:relative;outline:none;display:flex;flex-direction:column;min-height:0}
.ot-deck-stage{position:relative;display:grid;flex:1 1 auto;min-height:auto;padding-right:48px;padding-bottom:20px;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.ot-deck .ot-b-card{grid-area:1/1;align-self:stretch;min-height:0;padding:30px 28px 32px;cursor:grab;
  background:linear-gradient(160deg,#25252A,var(--graphite-800) 70%);border:1px solid rgba(255,255,255,0.09);
  box-shadow:0 18px 40px rgba(0,0,0,0.45);
  transform:var(--t,none);opacity:var(--o,1);z-index:var(--z,1);
  transition:transform 520ms cubic-bezier(0.22,1,0.36,1),opacity 420ms var(--ease-standard),border-color 180ms}
.ot-deck .ot-b-card:hover{transform:var(--t,none)}
.ot-deck .ot-b-card.is-front:hover{border-color:rgba(135,135,135,0.7)}
.ot-deck .ot-b-card:not(.is-front){pointer-events:none}
.ot-deck .ot-b-card.is-front::after{opacity:1}
.ot-deck .ot-b-card.is-drag{transition:none;cursor:grabbing}
.ot-deck .ot-b-card h3{font-size:20px!important}
.ot-deck .ot-b-card p{font-size:15px!important}
/* deck controls: counter + progress segments on the left, arrow buttons grouped on the right (secondary-button style from the design system) */
.ot-deck-nav{display:flex;align-items:center;gap:16px;margin-top:20px;padding-right:48px;flex:none}
.ot-deck-count{display:inline-flex;align-items:baseline;gap:6px;min-width:52px;font-family:var(--font-mono);font-size:12px;line-height:1;letter-spacing:0.06em;color:var(--disabled-grey)}
.ot-deck-count b{color:var(--signal-white);font-weight:500}
.ot-deck-count .sep{opacity:0.6}
.ot-deck-dots{display:flex;align-items:center;gap:6px;flex:1;min-width:0}
.ot-deck-dots button{-webkit-appearance:none;appearance:none;flex:1;max-width:44px;height:2px;min-width:0;padding:8px 0;margin:0;border:0;background:transparent;cursor:pointer;position:relative}
.ot-deck-dots button::before{content:"";position:absolute;left:0;right:0;top:50%;height:2px;margin-top:-1px;border-radius:2px;background:var(--border-interactive);transition:background 300ms var(--ease-standard)}
.ot-deck-dots button.on::before{background:var(--signal-white)}
.ot-deck-dots button:hover::before{background:#878787}
.ot-deck-dots button.on:hover::before{background:var(--signal-white)}
.ot-deck-arrows{display:inline-flex;gap:8px;flex:none}
.ot-deck-btn{-webkit-appearance:none;appearance:none;box-sizing:border-box;width:44px;height:44px;margin:0;padding:0;line-height:0;border-radius:var(--radius-lg);border:1px solid var(--border-interactive);background:transparent;color:var(--signal-white);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:border-color var(--dur-fast) var(--ease-standard),background var(--dur-fast) var(--ease-standard)}
.ot-deck-btn svg{width:18px;height:18px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ot-deck-btn:hover{border-color:var(--tapx-grey);background:rgba(255,255,255,0.04)}
.ot-deck-btn:active{background:rgba(255,255,255,0.08)}
.ot-deck-btn:focus-visible{outline:none;box-shadow:0 0 0 2px rgba(247,248,248,0.35)}
@media (max-width:1000px){.ot-top{grid-template-columns:1fr;gap:36px}.ot-deck{max-width:560px}.ot-deck-stage{flex:none}}
@media (max-width:560px){.ot-deck-stage,.ot-deck-nav{padding-right:28px}}
@media (prefers-reduced-motion:reduce){.ot-deck .ot-b-card{transition:none}}
#opentap .fact-card-ico{width:34px;height:34px;border-radius:8px;background:rgba(135,135,135,0.14);border:1px solid rgba(135,135,135,0.45);display:flex;align-items:center;justify-content:center;color:#878787;flex:none;margin-bottom:4px}
#opentap .fact-card-ico svg{width:17px;height:17px}
#opentap .card h3{margin:0;font-size:17px;line-height:1.3}
#opentap .ot-b-hw-head h3{font-size:clamp(24px,2.4vw,32px);line-height:1.15}
#opentap .ot-b-card p{margin:0;font-size:13.5px;line-height:1.6;color:var(--tapx-grey)}
/* Hardware vendor band */
.ot-hw-marquee{overflow:hidden;position:relative;padding:22px 0;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.ot-hw-track{display:flex;align-items:center;width:max-content;animation:ot-hw-scroll 36s linear infinite}
.ot-hw-marquee:hover .ot-hw-track{animation-play-state:paused}
.ot-hw-track span{margin-right:64px;font-family:var(--font-display);font-weight:700;font-size:26px;letter-spacing:0.02em;color:var(--disabled-grey);white-space:nowrap;transition:color 160ms}
.ot-hw-track span:hover{color:var(--signal-white)}
.ot-hw-company{display:inline-flex;align-items:center;gap:14px;margin-right:64px;color:var(--disabled-grey);text-decoration:none;white-space:nowrap;transition:color 160ms,opacity 160ms}
.ot-hw-company:hover{color:var(--signal-white)}
.ot-hw-company img{display:block;width:auto;height:36px;max-width:150px;object-fit:contain;filter:grayscale(1);opacity:.58;transition:filter 160ms,opacity 160ms}
.ot-hw-company:hover img{filter:grayscale(0);opacity:1}
.ot-hw-company .ot-hw-company-name{margin:0;font-family:var(--font-display);font-weight:600;font-size:16px;letter-spacing:.02em;color:inherit}
.ot-hw-company .ot-hw-company-name-only{font-weight:700;font-size:26px}
@keyframes ot-hw-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ot-hw-cta{margin:20px 0 0}
@media (prefers-reduced-motion:reduce){.ot-hw-track{animation:none;flex-wrap:wrap;width:auto}}

/* ---------- Final CTA ---------- */
.lp-final{position:relative;padding:160px 0;border-top:1px solid var(--border-subtle);overflow:hidden;background:var(--graphite-900)}
.lp-final-x{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);height:560px;width:auto;opacity:0.14;pointer-events:none}
.lp-final-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center;gap:24px}
.lp-final h2{font-family:var(--font-display);font-weight:700;font-size:clamp(36px,4.4vw,60px);line-height:1.04;letter-spacing:-0.018em;color:var(--signal-white);max-width:760px;text-wrap:balance}
.lp-final p{font-size:18px;line-height:1.6;color:var(--tapx-grey);max-width:560px}
.lp-final-cta{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:8px}

/* mono placeholder hint under media frames */

/* ---------- Responsive ---------- */
/* Lifecycle: animated two-column layout down to 900px */
@media (max-width:640px){
  .lp-hero{padding:72px 0 80px}
  .pr-row{grid-template-columns:1fr;gap:14px;padding:40px 0}
  .pr-num{font-size:44px}
  .lp-final{padding:96px 0}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  .lp-hero-bg video{display:none}
  .lp-hero .st{opacity:1;transform:none;animation:none}
  .pr-swap{transform:none}
  .pr-swap>.pr-face,.pr-num{transition:none}
  .pr-face.pr-ohne{opacity:0;transform:none}
  .pr-face.pr-mit{opacity:1;transform:none;pointer-events:auto}
  .fade-in{opacity:1;transform:none;transition:none}
  .pr-outro{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Offer cards (portfolio hub) ---------- */
.offer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.offer-card{background:var(--graphite-800);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:36px;display:flex;flex-direction:column;gap:14px;position:relative;text-decoration:none;color:inherit;transition:border-color var(--dur-fast) var(--ease-standard)}
.offer-card:hover{border-color:var(--tapx-red)}
.offer-card h3{font-family:var(--font-display);font-weight:700;font-size:28px;letter-spacing:-0.012em;line-height:1.1;color:var(--signal-white);margin:0}
.offer-card p{font-size:15px;line-height:1.55;color:var(--tapx-grey);margin:0;flex:1}
.offer-kind{font-family:var(--font-body);font-weight:500;font-size:11px;letter-spacing:0.18em;text-transform:uppercase;color:var(--tapx-red);display:flex;align-items:center;gap:10px}
.offer-soon{font-size:10px;letter-spacing:0.1em;color:var(--tapx-grey);border:1px solid var(--border-interactive);border-radius:var(--radius-sm);padding:3px 8px;text-transform:uppercase}
.offer-foot{display:flex;align-items:center;justify-content:space-between;margin-top:8px;font-size:14px;font-weight:600;color:var(--signal-white)}
.offer-foot .arr{transition:transform var(--dur-fast)}
.offer-card:hover .offer-foot .arr{transform:translateX(4px)}
.offer-card.disabled{opacity:0.55;cursor:default}
.offer-card.disabled:hover{border-color:var(--border-card)}
.offer-card.disabled h3,.offer-card.disabled .offer-foot{color:var(--tapx-grey)}
.offer-card.disabled .offer-kind{color:var(--disabled-grey)}
/* OpenTAP layered architecture diagram */
@media (max-width:820px){.offer-grid{grid-template-columns:1fr}.offer-card{padding:28px}}

/* ---------- Mehrwert-Stack (Tap.X auf OpenTAP) ---------- */
.tx-stack{display:flex;flex-direction:column}
.tx-layer-top{border:1px solid rgba(135,135,135,0.45);border-radius:12px;background:linear-gradient(180deg,rgba(135,135,135,0.07),transparent 55%),var(--graphite-800);padding:28px 28px 24px}
.tx-layer-label{display:flex;align-items:center;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.tx-layer-label img{height:34px;width:auto;align-self:center}
.tx-layer-label span{font-family:var(--font-mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--tapx-grey)}
/* showcase: interactive items + video panel */
.tx-showcase{display:grid;grid-template-columns:minmax(0,440px) minmax(0,1fr);gap:44px;align-items:start}
.tx-items{display:flex;flex-direction:column;gap:6px}
.tx-item{appearance:none;font:inherit;text-align:left;display:flex;gap:16px;align-items:flex-start;padding:16px 16px 18px;border:1px solid transparent;border-radius:10px;background:transparent;cursor:pointer;position:relative;overflow:hidden;opacity:0;transform:translateY(14px);transition:opacity 480ms var(--ease-standard),transform 480ms var(--ease-standard),background 180ms var(--ease-standard),border-color 180ms var(--ease-standard)}
.tx-stack.in .tx-item{opacity:1;transform:none}
.tx-stack.in .tx-item:nth-child(2){transition-delay:80ms}.tx-stack.in .tx-item:nth-child(3){transition-delay:160ms}.tx-stack.in .tx-item:nth-child(4){transition-delay:240ms}.tx-stack.in .tx-item:nth-child(5){transition-delay:320ms}
.tx-item:hover{background:rgba(255,255,255,0.02)}
.tx-item.active{background:var(--graphite-900);border-color:var(--border-card)}
.tx-item .fact-card-ico{width:30px;height:30px;border-radius:7px;background:rgba(135,135,135,0.14);border:1px solid rgba(135,135,135,0.45);display:flex;align-items:center;justify-content:center;color:var(--signal-white);flex:none;margin-top:2px;opacity:0.55;transition:opacity 180ms var(--ease-standard)}
.tx-item .fact-card-ico svg{width:16px;height:16px}
.tx-item.active .fact-card-ico{opacity:1}
.tx-item-copy{display:flex;flex-direction:column;gap:4px;min-width:0}
.tx-item .tx-idx{font-family:var(--font-mono);font-size:10.5px;letter-spacing:0.16em;color:var(--disabled-grey)}
.tx-item.active .tx-idx{color:var(--signal-white)}
.tx-item h3{font-family:var(--font-body);font-weight:600;font-size:16px;color:var(--disabled-grey);margin:0;transition:color 180ms var(--ease-standard)}
.tx-item.active h3{color:var(--signal-white)}
.tx-item p{font-size:13.5px;line-height:1.55;color:var(--tapx-grey);margin:0;max-height:0;opacity:0;overflow:hidden;transition:max-height 320ms var(--ease-standard),opacity 320ms var(--ease-standard),margin 320ms var(--ease-standard)}
.tx-item.active p{max-height:140px;opacity:1;margin-top:4px}
.tx-bar{position:absolute;left:0;right:0;bottom:0;height:2px;background:transparent}
.tx-bar .fill{display:block;height:100%;width:0;background:#878787}
.tx-stack.in .tx-item.active .tx-bar .fill{animation:tx-bar 7s linear forwards}
.tx-stack.manual .tx-bar{display:none}
@keyframes tx-bar{from{width:0}to{width:100%}}
.tx-media-col{display:flex;flex-direction:column;gap:0;min-width:0}
.tx-media{position:sticky;top:calc(var(--nav-h,65px) + 24px)}
.tx-media .lp-media-body{aspect-ratio:16/10}
.tx-pane{position:absolute;inset:0;opacity:0;transition:opacity 300ms var(--ease-standard);pointer-events:none}
.tx-pane.active{opacity:1;pointer-events:auto}
.tx-pane video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tx-vid-ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:repeating-linear-gradient(45deg,var(--graphite-900) 0 14px,rgba(255,255,255,0.015) 14px 28px)}
.tx-vid-ph span{font-family:var(--font-mono);font-size:11.5px;line-height:1.7;letter-spacing:0.06em;color:var(--disabled-grey);text-align:center;border:1px dashed var(--border-card);border-radius:6px;padding:12px 18px;background:rgba(13,15,18,0.6)}
.tx-more{margin:14px 0 0;padding:0 2px;font-size:14px;color:var(--tapx-grey);display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:960px){.tx-showcase{grid-template-columns:1fr;gap:28px}.tx-media{position:relative;top:0}.tx-media-col{order:-1}}
@media (max-width:560px){.tx-layer-top{padding:22px 18px}.tx-item{padding:14px 12px 16px}}
@media (prefers-reduced-motion:reduce){.tx-item{opacity:1;transform:none;transition:none}.tx-item p{transition:none}.tx-bar{display:none}}

/* ---------- Gründer-Zitat ---------- */
.lp-quote{margin:0 auto;max-width:880px;display:flex;flex-direction:column;gap:26px;text-align:center;padding:24px 0}
.lp-quote blockquote{margin:0;font-family:var(--font-display);font-weight:700;font-size:clamp(24px,2.6vw,36px);line-height:1.3;letter-spacing:-0.01em;color:var(--signal-white)}
.lp-quote figcaption{display:flex;flex-direction:column;gap:4px;align-items:center}
.lp-quote .who{font-size:15px;font-weight:600;color:var(--signal-white)}
.lp-quote .role{font-family:var(--font-mono);font-size:11.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--tapx-grey)}
.lp-quote figcaption::before{content:"";width:34px;height:2px;background:var(--tapx-red);margin-bottom:10px}

/* Tap.X one-pager (electronica) — additions on top of site.css + landing.css.
   Everything stays on one page: nav and footer link to sections, legal texts open in place. */

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* anchored sections land below the sticky nav */
#top, #angebot, #problem, #opentap, #mehrwert, #kontakt, #impressum, #datenschutz { scroll-margin-top: 80px; }
#top { display: block; height: 0; }

/* nav: plain anchor links instead of dropdowns */
.op-nav .nav-links { gap: 2px; }
.op-nav .nav-link { text-decoration: none; }

/* DE / EN language switch in the nav */
.op-lang { display: inline-flex; padding: 2px; border: 1px solid var(--border-card); border-radius: 8px; }
.op-lang button {
  background: none; border: 0; border-radius: 6px; padding: 5px 9px; cursor: pointer;
  font-family: var(--font-body); font-size: 13px; font-weight: 600; letter-spacing: .04em;
  color: var(--tapx-grey); transition: color 120ms, background 120ms;
}
.op-lang button:hover { color: var(--signal-white); }
.op-lang button.on { background: var(--graphite-800); color: var(--signal-white); }
.op-lang button:focus-visible { outline: 2px solid var(--signal-white); outline-offset: 1px; }

/* contact line under the final CTA */
.op-contact-line { margin: 22px 0 0; font-size: 15px; color: var(--tapx-grey); }
.op-contact-line a { color: var(--signal-white); text-decoration: none; border-bottom: 1px solid var(--border-interactive); }
.op-contact-line a:hover { border-bottom-color: var(--signal-white); }

/* footer: brand + two columns */
.op-footer .op-footer-grid { grid-template-columns: 1.6fr 1fr 1fr; }
.op-address { font-style: normal; font-size: 14px; line-height: 1.6; color: var(--tapx-grey); margin: 0 0 12px; }
.op-mail { margin: 0; }
.op-mail a { font-size: 14px; color: var(--signal-white); text-decoration: none; }
.op-mail a:hover { color: var(--tapx-grey); }
@media (max-width: 640px) { .op-footer .op-footer-grid { grid-template-columns: 1fr; } }

/* legal texts, collapsible in place */
.op-legal { margin: 8px 0 28px; border-top: 1px solid var(--border-subtle); }
.op-legal-item { border-bottom: 1px solid var(--border-subtle); }
.op-legal-item > summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; font-family: var(--font-body); font-weight: 600; font-size: 15px; color: var(--signal-white);
}
.op-legal-item > summary::-webkit-details-marker { display: none; }
.op-legal-item > summary::after {
  content: ""; width: 9px; height: 9px; margin-right: 4px;
  border-right: 1.6px solid var(--tapx-grey); border-bottom: 1.6px solid var(--tapx-grey);
  transform: rotate(45deg) translateY(-3px); transition: transform 180ms var(--ease-standard);
}
.op-legal-item[open] > summary::after { transform: rotate(-135deg) translateY(-2px); }
.op-legal-item > summary:hover { color: var(--tapx-grey); }
.op-legal-item .legal-doc { padding: 4px 0 32px; font-size: 14px; line-height: 1.65; }
.op-legal-item .legal-doc h3 {
  font-family: var(--font-body); font-weight: 600; font-size: 15px; color: var(--signal-white);
  margin: 26px 0 8px;
}
.op-legal-item .legal-doc h3:first-of-type { margin-top: 8px; }
.op-legal-lead { color: var(--tapx-grey); }

/* problem rows: verdict badge under the number — red FAIL before the flip, green PASS after (as in the Tap.X app) */
.pr-lead { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.pr-verdict { display: grid; }
.pr-verdict .pv {
  grid-area: 1 / 1; display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px 4px 6px; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: #fff; line-height: 1.5;
  transition: opacity 480ms var(--ease-standard), transform 480ms var(--ease-standard);
}
.pr-verdict .pv b { font-weight: 600; }
.pr-verdict svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.pr-verdict .pv-fail { background: var(--status-fail); }
.pr-verdict .pv-pass { background: var(--status-pass); opacity: 0; transform: scale(.85); }
.pr-row.flipped .pr-verdict .pv-fail { opacity: 0; transform: scale(.85); }
.pr-row.flipped .pr-verdict .pv-pass { opacity: 1; transform: none; }
/* numbers: red while FAIL, white once PASS (also on hover) */
#pr-frame .pr-row.flipped .pr-num, #pr-frame .pr-row.flipped:hover .pr-num { color: var(--signal-white); }
@media (max-width: 640px) { .pr-lead { flex-direction: row; align-items: center; gap: 14px; } }
@media (prefers-reduced-motion: reduce) {
  .pr-verdict .pv { transition: none; }
  .pr-verdict .pv-fail { opacity: 0; }
  .pr-verdict .pv-pass { opacity: 1; transform: none; }
  #pr-frame .pr-row .pr-num, #pr-frame .pr-row:hover .pr-num { color: var(--signal-white); }
}

/* offer tabs: a tab or pane switched off with the hidden attribute stays hidden (Tap.X cloud for now) */
.offer-tab[hidden], .offer-pane[hidden] { display: none !important; }

/* contact form dialog */
.op-modal { width: min(620px, calc(100vw - 32px)); max-height: calc(100vh - 32px); padding: 0; border: 1px solid var(--border-card); border-radius: var(--radius-xl); background: var(--graphite-900); color: var(--signal-white); box-shadow: var(--shadow-pop); }
.op-modal::backdrop { background: rgba(12, 12, 12, .72); backdrop-filter: blur(4px); }
.op-modal-inner { position: relative; padding: 40px 40px 36px; }
.op-modal h2 { font-family: var(--font-display); font-weight: 700; font-size: clamp(24px, 3vw, 32px); line-height: 1.15; margin: 10px 0 8px; color: var(--signal-white); }
.op-modal-lead { margin: 0 0 24px; color: var(--tapx-grey); font-size: 15px; line-height: 1.55; }
.op-modal-close { position: absolute; top: 14px; right: 14px; width: 40px; height: 40px; display: grid; place-items: center; background: none; border: 1px solid transparent; border-radius: var(--radius-lg); color: var(--tapx-grey); cursor: pointer; }
.op-modal-close:hover { color: var(--signal-white); border-color: var(--border-card); background: var(--graphite-800); }
.op-modal-close:focus-visible { outline: 2px solid var(--signal-white); outline-offset: 1px; }
.op-modal-close svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.op-form-error { grid-column: 1 / -1; margin: 0; font-size: 14px; color: #F07A73; }
.op-contact-done .btn { margin-top: 4px; }
@media (max-width: 640px) { .op-modal-inner { padding: 32px 20px 24px; } .op-modal .form-grid { grid-template-columns: 1fr; } }