@charset "utf-8";
/* ==========================================================================
   Visible Solutions AG — site stylesheet
   --------------------------------------------------------------------------
   Sections
     1. Tokens          verbatim from the Visible Solutions Design System
     2. Base            reset + element defaults
     3. Layout          container, sections, grids
     4. Components      button, icon, eyebrow, card, stat, tile, form, ...
     5. Page sections   header, hero, client wall, process, faq, contact, footer
     6. Responsive      the ~720px single-column / mobile-nav breakpoint

   Rule: never fork a token value into a component. Change the token.
   ========================================================================== */


/* ==========================================================================
   1. TOKENS
   ========================================================================== */

:root {
  /* ---- Brand core (sampled from the Visible Solutions logo) ---- */
  --vs-blue: #0099FF; --vs-navy: #000033; --vs-green: #009900;
  --vs-lime: #99CC00; --vs-red: #CC0000; --vs-orange: #FF6600;

  /* ---- Blue ramp (primary) ---- */
  --blue-50: #E6F5FF; --blue-100: #CCEBFF; --blue-200: #99D6FF; --blue-300: #66C2FF;
  --blue-400: #33ADFF; --blue-500: #0099FF; --blue-600: #007ACC; --blue-700: #005C99;
  --blue-800: #003D66; --blue-900: #001F33;

  /* ---- Neutral ramp (navy-tinted greys) ---- */
  --neutral-0: #FFFFFF; --neutral-25: #FAFBFC; --neutral-50: #F4F6F9; --neutral-100: #E8ECF1;
  --neutral-200: #D5DBE4; --neutral-300: #B4BDCB; --neutral-400: #8B95A6; --neutral-500: #667085;
  --neutral-600: #4A5468; --neutral-700: #333B4D; --neutral-800: #1D2436; --neutral-900: #000033;

  /* ---- Semantic ---- */
  --success: #009900; --success-soft: #EAF6EA; --success-border: #B8E0B8;
  --warning: #FF6600; --warning-soft: #FFF1E6; --warning-border: #FFD1AD;
  --danger:  #CC0000; --danger-soft:  #FBE9E9; --danger-border:  #F0BABA;
  --info:    #0099FF; --info-soft:    #E6F5FF; --info-border:    #99D6FF;

  /* ---- Semantic aliases ---- */
  --text-strong: var(--neutral-900); --text-body: var(--neutral-700);
  --text-muted: var(--neutral-500);  --text-subtle: var(--neutral-400);
  --text-inverse: #FFFFFF; --text-link: var(--blue-600); --text-link-hover: var(--blue-700);
  --surface-page: #FFFFFF; --surface-sunken: var(--neutral-50); --surface-card: #FFFFFF;
  --surface-raised: #FFFFFF; --surface-inverse: var(--neutral-900);
  --surface-brand: var(--blue-500); --surface-brand-soft: var(--blue-50);
  --border-subtle: var(--neutral-100); --border-default: var(--neutral-200);
  --border-strong: var(--neutral-300); --border-brand: var(--blue-500);
  --focus-ring: rgba(0, 153, 255, .32);

  /* ---- Gradients — there is exactly one brand gradient ---- */
  --gradient-navy: linear-gradient(160deg, #000033 0%, #001F33 55%, #003D66 100%);
  --gradient-blue: linear-gradient(135deg, #0099FF 0%, #007ACC 100%);

  /* ---- On-navy surfaces (the only other place transparency is allowed) ---- */
  --on-navy-fill: rgba(255, 255, 255, .06);
  --on-navy-border: rgba(255, 255, 255, .10);
  --on-navy-text: rgba(255, 255, 255, .72);
  --on-navy-muted: rgba(255, 255, 255, .66);
  --on-navy-eyebrow: rgba(255, 255, 255, .62);
  --on-navy-faint: rgba(255, 255, 255, .45);

  /* ---- Typography ---- */
  --font-display: 'Archivo', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-sans: 'Instrument Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-icon: 'Material Symbols Rounded';

  --fw-regular: 400; --fw-medium: 500; --fw-semibold: 600; --fw-bold: 700; --fw-black: 800;

  --text-display-xl: 72px; --lh-display-xl: 1.02; --ls-display-xl: -0.03em;
  --text-display-l:  56px; --lh-display-l:  1.05; --ls-display-l:  -0.028em;
  --text-display-m:  44px; --lh-display-m:  1.08; --ls-display-m:  -0.022em;
  --text-h1: 36px; --lh-h1: 1.15; --ls-h1: -0.02em;
  --text-h2: 28px; --lh-h2: 1.2;  --ls-h2: -0.016em;
  --text-h3: 22px; --lh-h3: 1.3;  --ls-h3: -0.01em;
  --text-h4: 18px; --lh-h4: 1.35; --ls-h4: -0.005em;
  --text-body-l: 18px; --lh-body-l: 1.6;
  --text-body:   16px; --lh-body:   1.6;
  --text-body-s: 14px; --lh-body-s: 1.55;
  --text-caption: 13px; --lh-caption: 1.45;
  --text-eyebrow: 12px; --lh-eyebrow: 1.2; --ls-eyebrow: 0.12em;
  --text-mono: 14px; --lh-mono: 1.5; --ls-mono: -0.01em;

  /* ---- Spacing & layout ---- */
  --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; --space-40: 160px;
  --container-max: 1200px; --container-narrow: 760px; --gutter: 24px;
  --section-y: 96px; --section-y-lg: 128px;
  --header-h: 76px;

  /* ---- Radius ---- */
  --radius-xs: 4px; --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px;
  --radius-xl: 24px; --radius-2xl: 32px; --radius-pill: 999px; --radius-circle: 50%;

  /* ---- Elevation — navy-tinted, never neutral black ---- */
  --shadow-xs: 0 1px 2px rgba(0, 0, 51, .06);
  --shadow-sm: 0 1px 3px rgba(0, 0, 51, .08), 0 1px 2px rgba(0, 0, 51, .04);
  --shadow-md: 0 4px 12px rgba(0, 0, 51, .08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 51, .10);
  --shadow-xl: 0 24px 60px rgba(0, 0, 51, .14);
  --shadow-brand: 0 12px 28px rgba(0, 153, 255, .24);
  --shadow-focus: 0 0 0 3px var(--focus-ring);

  /* ---- Motion ---- */
  --ease-standard: cubic-bezier(.4, 0, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-in: cubic-bezier(.4, 0, 1, 1);
  --dur-instant: 80ms; --dur-fast: 120ms; --dur-base: 200ms;
  --dur-slow: 360ms; --dur-slower: 600ms;
  --transition-control:
    background-color var(--dur-fast) var(--ease-standard),
    border-color var(--dur-fast) var(--ease-standard),
    color var(--dur-fast) var(--ease-standard),
    box-shadow var(--dur-fast) var(--ease-standard),
    transform var(--dur-fast) var(--ease-standard);

  /* Lets <details> animate between 0 and auto where supported. */
  interpolate-size: allow-keywords;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --dur-instant: 0ms; --dur-fast: 0ms; --dur-base: 0ms;
    --dur-slow: 0ms; --dur-slower: 0ms;
  }
}


/* ==========================================================================
   2. BASE
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--lh-body);
  color: var(--text-body);
  background: var(--surface-page);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-strong);
  margin: 0;
  font-weight: var(--fw-bold);
}

p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
img, svg { max-width: 100%; }

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard);
}
a:hover { color: var(--text-link-hover); text-decoration: underline; text-underline-offset: 3px; }

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-sm);
}

::selection { background: var(--blue-100); color: var(--neutral-900); }

/* Anchor targets clear the sticky header. */
[id] { scroll-margin-top: calc(var(--header-h) + 8px); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: 8px; left: 8px;
  z-index: 100;
  padding: 10px 18px;
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  font-size: var(--text-body-s);
  font-weight: var(--fw-semibold);
  color: var(--text-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-200%);
  transition: transform var(--dur-fast) var(--ease-standard);
}
.skip-link:focus { transform: translateY(0); text-decoration: none; }


/* ==========================================================================
   3. LAYOUT
   ========================================================================== */

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Marketing section rhythm. No two adjacent bands share a background. */
.section { padding-block: clamp(72px, 9vw, 128px); }
.section--tight { padding-block: clamp(72px, 9vw, 112px); }
.section--stats { padding-block: clamp(64px, 8vw, 96px); }
.section--wall  { padding-block: clamp(48px, 6vw, 72px); }

.section--white  { background: var(--surface-page); }
.section--sunken { background: var(--surface-sunken); }
.section--navy   { background: var(--gradient-navy); }

.section--rule-top    { border-top: 1px solid var(--border-subtle); }
.section--rule-bottom { border-bottom: 1px solid var(--border-subtle); }

/* Auto-fit grid. --grid-min is the column minimum, --grid-gap the gutter.
   min(100%, …) stops a wide minimum from overflowing narrow viewports. */
.grid {
  display: grid;
  gap: var(--grid-gap, 24px);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--grid-min, 280px)), 1fr));
}
.grid--cards     { --grid-min: 320px; --grid-gap: 24px; }
.grid--segments  { --grid-min: 280px; --grid-gap: 20px; }
.grid--steps     { --grid-min: 250px; --grid-gap: 20px; }
.grid--channels  { --grid-min: 260px; --grid-gap: 20px; }
.grid--tiles     { --grid-min: 240px; --grid-gap: 16px; }
.grid--panels    { --grid-min: 220px; --grid-gap: 16px; }
.grid--checks    { --grid-min: 200px; --grid-gap: 12px; align-content: start; }
.grid--stats     { --grid-min: 190px; --grid-gap: 32px; }
.grid--footer    { --grid-min: 200px; --grid-gap: 40px; }

/* Two-column marketing split: heading left, content right. */
.split {
  display: grid;
  gap: clamp(40px, 6vw, 80px);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}
.split--tight { gap: clamp(40px, 6vw, 72px); }
.split--start { align-items: start; }

.mt-cards { margin-top: 56px; }
.mt-grid  { margin-top: 48px; }


/* ==========================================================================
   4. COMPONENTS
   ========================================================================== */

/* ---- Icon — Material Symbols Rounded, by ligature name ------------------ */
.icon {
  font-family: var(--font-icon);
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  user-select: none;
  font-size: 20px;
  width: 20px;
  height: 20px;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}
.icon--18 { font-size: 18px; width: 18px; height: 18px; }
.icon--20 { font-size: 20px; width: 20px; height: 20px; }
.icon--22 { font-size: 22px; width: 22px; height: 22px; }
.icon--24 { font-size: 24px; width: 24px; height: 24px; }
/* Filled only ever confirms state. */
.icon--fill { font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24; }

/* ---- Eyebrow — the uppercase kicker above nearly every section ---------- */
.eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-eyebrow);
  line-height: var(--lh-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  font-weight: var(--fw-semibold);
  color: var(--blue-500);
}
.eyebrow--inverse { color: var(--on-navy-eyebrow); }
.eyebrow--muted   { color: var(--text-subtle); }

/* ---- Button — always a full pill ---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding-inline: 22px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.005em;
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition-control);
}
.btn:hover { text-decoration: none; }
.btn:active:not(:disabled) { transform: scale(0.975); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:focus-visible { border-radius: var(--radius-pill); }

.btn--lg { height: 54px; padding-inline: 28px; font-size: 16px; }
.btn--lg .icon { font-size: 22px; width: 22px; height: 22px; }
.btn--block { display: flex; width: 100%; }

/* Hover darkens, never lightens. */
.btn--primary {
  background: var(--blue-500);
  border-color: var(--blue-500);
  color: #fff;
}
.btn--primary:hover:not(:disabled) { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }

.btn--secondary {
  background: var(--neutral-0);
  border-color: var(--border-default);
  color: var(--neutral-900);
}
.btn--secondary:hover:not(:disabled) { background: var(--neutral-50); border-color: var(--border-strong); color: var(--neutral-900); }

.btn--inverse {
  background: var(--neutral-0);
  border-color: var(--neutral-0);
  color: var(--neutral-900);
}
.btn--inverse:hover:not(:disabled) { background: var(--blue-50); border-color: var(--blue-50); color: var(--neutral-900); }

.btn__spinner { display: none; }
.btn.is-loading .btn__spinner { display: inline-flex; animation: vs-spin 900ms linear infinite; }
.btn.is-loading .btn__icon { display: none; }
@keyframes vs-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .btn.is-loading .btn__spinner { animation: none; }
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- Section heading ---------------------------------------------------- */
.section-heading {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 720px;
}
.section-heading--420 { max-width: 420px; }
.section-heading--440 { max-width: 440px; }
.section-heading--480 { max-width: 480px; }

.section-heading__title {
  font-family: var(--font-display);
  font-size: var(--text-display-m);
  line-height: var(--lh-display-m);
  letter-spacing: var(--ls-display-m);
  font-weight: var(--fw-bold);
  color: var(--text-strong);
  margin: 0;
  text-wrap: balance;
}
.section-heading__text {
  font-size: var(--text-body-l);
  line-height: var(--lh-body-l);
  color: var(--text-muted);
  margin: 0;
  text-wrap: pretty;
}
.section-heading--inverse .section-heading__title { color: #fff; }
.section-heading--inverse .section-heading__text { color: var(--on-navy-text); }

/* ---- Card --------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  height: 100%;
}
/* Interactive cards lift. No colour change, no border accent. */
.card--interactive {
  transition:
    box-shadow var(--dur-base) var(--ease-standard),
    transform var(--dur-base) var(--ease-out);
}
.card--interactive:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: var(--radius-md);
  margin-bottom: 4px;
  background: var(--blue-50);
  color: var(--blue-500);
}
.card__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  line-height: var(--lh-h3);
  letter-spacing: var(--ls-h3);
  font-weight: var(--fw-bold);
  color: var(--text-strong);
  margin: 0;
}
.card__body {
  font-size: var(--text-body);
  line-height: var(--lh-body);
  color: var(--text-body);
  margin: 0;
  text-wrap: pretty;
}

.card--inverse {
  background: var(--gradient-navy);
  border-color: transparent;
  box-shadow: none;
}
.card--inverse .card__icon { background: var(--on-navy-border); color: #fff; }
.card--inverse .card__title { color: #fff; }
.card--inverse .card__body { color: var(--on-navy-text); }

/* The two platform cards on the home page. */
.card--platform { padding: 40px; border-radius: var(--radius-xl); }
.card--founder  { padding: 32px; }

.card__wordmark {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: var(--fw-black);
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 8px;
}
/* align-self stops the column flex from stretching the logo to card width. */
.card__logo { height: 30px; width: auto; align-self: flex-start; display: block; margin-bottom: 10px; }
/* The Reviu mark is far squarer than the Photo Collect lockup; matching cap
   heights rather than box heights keeps the two cards reading as a pair. */
.card__logo--reviu { height: 34px; }
.card__foot { margin-top: auto; display: flex; flex-wrap: wrap; gap: 12px; }

/* ---- Tag ---------------------------------------------------------------- */
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.tag--inverse {
  font-size: 13px;
  font-weight: var(--fw-medium);
  color: #fff;
  background: var(--on-navy-fill);
  border: 1px solid var(--on-navy-border);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

/* ---- StatTile — rows are three tiles, never four ------------------------ */
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat__value {
  font-family: var(--font-display);
  font-size: var(--text-display-l);
  line-height: 1;
  letter-spacing: var(--ls-display-l);
  font-weight: var(--fw-bold);
  color: var(--blue-500);
  font-variant-numeric: tabular-nums;
}
.stat__label { font-size: 15px; color: var(--text-muted); }
.stat--inverse .stat__value { color: #fff; }
.stat--inverse .stat__label { color: var(--on-navy-muted); }

.stat-row {
  margin-top: clamp(56px, 7vw, 88px);
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}
.stat-row--product { margin-top: clamp(48px, 6vw, 72px); padding-top: 36px; }

/* ---- Tile — icon + title + body, used for features, security, channels -- */
.tile {
  display: flex;
  gap: 14px;
  padding: 22px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
}
.tile .icon { color: var(--blue-500); }
.tile__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: var(--fw-bold);
  color: var(--text-strong);
  margin: 0 0 6px;
}
.tile__body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
}

.tile--inverse {
  padding: 20px;
  background: var(--on-navy-fill);
  border-color: var(--on-navy-border);
  box-shadow: none;
}
.tile--inverse .icon { color: #fff; }
.tile--inverse .tile__title { color: #fff; }
.tile--inverse .tile__body { color: var(--on-navy-muted); }

/* ---- Check row — the validation list on navy --------------------------- */
.check {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--on-navy-fill);
  border: 1px solid var(--on-navy-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: #fff;
}
.check .icon { color: var(--blue-300); }

/* ---- ProcessStep — stacked steps with a connecting rail ----------------- */
.process-step { display: flex; gap: 16px; padding-bottom: 28px; }
.process-step--last { padding-bottom: 0; }

.process-step__rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 0 0 auto;
}
.process-step__marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: var(--radius-circle);
  background: var(--blue-50);
  color: var(--blue-500);
}
.process-step__line {
  flex: 1;
  width: 2px;
  margin-top: 8px;
  background: var(--border-default);
}
.process-step__text {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 6px;
}
.process-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-h4);
  line-height: var(--lh-h4);
  font-weight: var(--fw-bold);
  color: var(--text-strong);
}
.process-step__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ---- Accordion — native <details>, so it works without JavaScript ------- */
.faq__item { border-bottom: 1px solid var(--border-subtle); }
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--text-h4);
  line-height: 1.4;
  font-weight: var(--fw-semibold);
  color: var(--text-strong);
  transition: color var(--dur-fast) var(--ease-standard);
}
.faq__q::-webkit-details-marker { display: none; }
.faq__item[open] > .faq__q { color: var(--blue-600); }

/* The signature motion: the plus rotates 45° into a cross. */
.faq__plus {
  color: var(--neutral-400);
  transition:
    transform var(--dur-base) var(--ease-out),
    color var(--dur-fast) var(--ease-standard);
}
.faq__item[open] > .faq__q .faq__plus { transform: rotate(45deg); color: var(--blue-500); }

.faq__a {
  margin: 0;
  padding: 0 4px 22px;
  max-width: 660px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
}
.faq__item::details-content {
  block-size: 0;
  overflow: hidden;
  transition:
    block-size var(--dur-base) var(--ease-standard),
    content-visibility var(--dur-base) var(--ease-standard) allow-discrete;
}
.faq__item[open]::details-content { block-size: auto; }

/* ---- Form controls ------------------------------------------------------ */
.field { display: flex; flex-direction: column; gap: 6px; width: 100%; }
.field--full { grid-column: 1 / -1; }
.field__label {
  font-size: 14px;
  font-weight: var(--fw-medium);
  color: var(--neutral-700);
}
.field__control {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--neutral-900);
  background: var(--neutral-0);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition-control);
}
input.field__control,
select.field__control { height: 46px; padding: 0 14px; }
textarea.field__control { padding: 12px 14px; resize: vertical; line-height: 1.55; }

.field__control::placeholder { color: var(--text-subtle); }
.field__control:hover:not(:focus) { border-color: var(--border-strong); }
.field__control:focus {
  border-color: var(--blue-500);
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-md);
}

.field__select { position: relative; display: flex; align-items: center; }
select.field__control { appearance: none; padding-right: 40px; cursor: pointer; }
.field__chevron {
  position: absolute;
  right: 12px;
  color: var(--neutral-400);
  pointer-events: none;
}

/* Honeypot. Off-screen rather than display:none — bots skip hidden fields. */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.form-status {
  font-size: 14px;
  line-height: 1.5;
  min-height: 1.5em;
}
.form-status--ok { color: var(--success); }
.form-status--error { color: var(--danger); }

/* Standalone confirmation page served by send.php when JavaScript is off. */
.notice {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gutter);
  background: var(--surface-sunken);
}
.notice__box {
  max-width: 520px;
  padding: clamp(24px, 4vw, 40px);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.notice__text {
  margin: 0 0 24px;
  font-size: var(--text-body-l);
  line-height: var(--lh-body-l);
}
.notice__text--ok { color: var(--success); }
.notice__text--error { color: var(--danger); }


/* ==========================================================================
   5. PAGE SECTIONS
   ========================================================================== */

/* ---- Header ------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-h);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}
.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.site-header__logo { display: block; }
.site-header__logo img { height: 26px; width: auto; display: block; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__link {
  font-size: 15px;
  font-weight: var(--fw-medium);
  color: var(--neutral-700);
}
.nav__link:hover { color: var(--blue-600); text-decoration: none; }
.nav__link[aria-current="page"] { color: var(--blue-600); }

/* Language switcher. Quiet by design — it is wayfinding, not a call to
   action, so it stays type-only and introduces no new colour. */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.lang-switch__link {
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-subtle);
}
.lang-switch__link:hover { color: var(--blue-600); text-decoration: none; }
.lang-switch__link[aria-current="true"] { color: var(--text-strong); }
.lang-switch__sep {
  width: 1px;
  height: 12px;
  background: var(--border-default);
}

.lang-switch--drawer { gap: 14px; }
.lang-switch--drawer .lang-switch__link { font-size: 15px; padding: 10px 4px; }
.lang-switch--drawer .lang-switch__sep { height: 16px; }

.nav-drawer__lang {
  margin-top: 20px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding-inline: 18px;
  background: var(--neutral-0);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  color: var(--neutral-900);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: var(--fw-semibold);
  cursor: pointer;
  transition: var(--transition-control);
}
.nav-toggle:hover { background: var(--neutral-50); border-color: var(--border-strong); }
.nav-toggle__close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__close { display: inline-flex; }
.nav-toggle[aria-expanded="true"] .nav-toggle__open { display: none; }

.nav-drawer {
  display: none;
  position: absolute;
  inset-inline: 0;
  top: var(--header-h);
  padding: 20px var(--gutter) 28px;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
}
.nav-drawer.is-open { display: block; }
.nav-drawer__list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 20px; }
.nav-drawer__link {
  display: block;
  padding: 12px 4px;
  font-size: 17px;
  font-weight: var(--fw-medium);
  color: var(--neutral-700);
}
.nav-drawer__link:hover { color: var(--blue-600); text-decoration: none; }

/* ---- Hero --------------------------------------------------------------- */
.hero { position: relative; background: var(--surface-page); overflow: hidden; }
/* A single soft radial wash — the only background flourish in the system. */
.hero__wash {
  position: absolute;
  inset: 0;
  background: radial-gradient(58% 70% at 18% 4%, var(--blue-50) 0%, rgba(230, 245, 255, 0) 68%);
  pointer-events: none;
}
.hero__inner { position: relative; }

.hero--home .hero__inner { padding-block: clamp(80px, 10vw, 128px) clamp(64px, 8vw, 96px); }
.hero--product .hero__inner { padding-block: clamp(64px, 8vw, 104px) clamp(56px, 7vw, 88px); }

.hero__columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: clamp(40px, 5vw, 72px);
  align-items: center;
}
.hero__eyebrow { margin-bottom: 24px; }
.hero__title {
  max-width: 13ch;
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 72px);
  line-height: var(--lh-display-xl);
  letter-spacing: var(--ls-display-xl);
  font-weight: var(--fw-bold);
  color: var(--text-strong);
  margin: 0;
  text-wrap: balance;
}
.hero__lede {
  max-width: 46ch;
  margin: 28px 0 0;
  font-size: var(--text-body-l);
  line-height: var(--lh-body-l);
  color: var(--text-muted);
  text-wrap: pretty;
}
.hero__actions { margin-top: 40px; }

/* Product heroes */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  font-size: 14px;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--blue-600); }
.breadcrumb__sep { color: var(--neutral-300); }
.breadcrumb__current { color: var(--text-strong); font-weight: var(--fw-medium); }

.wordmark {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: var(--fw-black);
  letter-spacing: -0.025em;
  color: var(--blue-500);
  margin-bottom: 24px;
}
.hero__logo { height: 34px; width: auto; display: block; margin-bottom: 24px; }
.hero__logo--reviu { height: 38px; }

.hero__title--product {
  max-width: 18ch;
  font-size: clamp(40px, 6vw, 56px);
  line-height: var(--lh-display-l);
  letter-spacing: var(--ls-display-l);
}
.hero__lede--product { max-width: 56ch; margin-top: 24px; }
.hero__actions--product { margin-top: 36px; }

/* ---- Brand panel — the exploded logo cube ------------------------------- */
.brand-panel {
  position: relative;
  background: var(--gradient-navy);
  border-radius: var(--radius-2xl);
  padding: clamp(28px, 3.4vw, 44px);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  min-height: clamp(400px, 42vw, 520px);
  display: flex;
  flex-direction: column;
}
.brand-panel__figure {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -52%);
  width: 104%;
  max-width: none;
  height: auto;
  display: block;
}
.brand-panel__fade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 51, 0) 44%, rgba(0, 0, 51, .78) 82%, rgba(0, 0, 51, .92) 100%);
  pointer-events: none;
}
.brand-panel__caption { position: relative; margin-top: auto; }
.brand-panel__caption .eyebrow { margin-bottom: 12px; }
.brand-panel__line {
  margin: 0;
  max-width: 34ch;
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .82);
  text-wrap: pretty;
}

/* ---- Client wall -------------------------------------------------------- */
.logo-wall { display: flex; flex-direction: column; gap: 24px; }
.logo-wall__caption {
  font-size: 14px;
  text-align: center;
  margin: 0;
  color: var(--text-muted);
}
.logo-wall__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 28px 40px;
  align-items: center;
  justify-items: center;
}
/* Understated proof: real marks, greyed back so they never outshout the page. */
.logo-wall__cell {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 40px;
  filter: grayscale(1);
  opacity: .9;
}
.logo-wall__logo {
  max-height: 30px;
  max-width: 130px;
  width: auto;
  height: auto;
  display: block;
}
/* Fallback cell for a client with no licensed logo file. */
.logo-wall__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.01em;
  text-align: center;
  line-height: 1.2;
  color: var(--neutral-400);
}

/* ---- Founders ----------------------------------------------------------- */
.founder { display: flex; gap: 24px; align-items: flex-start; }
.founder__well {
  flex: 0 0 96px;
  width: 96px;
  height: 96px;
  border-radius: var(--radius-circle);
  background: var(--neutral-100);
  overflow: hidden;
  position: relative;
}
/* Deliberately wider than the well so the head crops correctly inside the
   circle. max-width:none is required — the global img cap would undo it. */
.founder__well img {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 112%;
  max-width: none;
  height: auto;
  display: block;
}
.founder__name {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  line-height: var(--lh-h3);
  letter-spacing: var(--ls-h3);
  font-weight: var(--fw-bold);
  color: var(--text-strong);
  margin: 0;
}
.founder__role { margin-top: 6px; }
.founder__bio {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
  text-wrap: pretty;
}

/* ---- Contact ------------------------------------------------------------ */
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}
.contact-detail { display: flex; gap: 14px; align-items: flex-start; }
.contact-detail .icon { color: var(--blue-500); }
.contact-detail__label { margin-bottom: 4px; }
.contact-detail__value {
  font-size: 16px;
  font-weight: var(--fw-medium);
  color: var(--text-strong);
  line-height: 1.5;
}
a.contact-detail__value:hover { color: var(--blue-600); }

.contact-panel {
  background: var(--surface-sunken);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 40px);
}
.contact-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 18px;
}
.contact-form__submit {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 6px;
}

/* ---- Footer ------------------------------------------------------------- */
.site-footer { background: var(--gradient-navy); color: #fff; }
.site-footer__inner { padding-block: clamp(56px, 7vw, 88px) 36px; }
.site-footer__logo { height: 26px; width: auto; display: block; margin-bottom: 20px; }
.site-footer__address {
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-navy-muted);
}
.site-footer__heading { margin-bottom: 16px; color: var(--on-navy-faint); }
.site-footer__links { display: flex; flex-direction: column; gap: 10px; }
.site-footer__links a { font-size: 14px; color: #fff; }
.site-footer__links a:hover { color: var(--blue-300); }
.site-footer__meta {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--on-navy-muted);
  font-variant-numeric: tabular-nums;
}
.site-footer__bar {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--on-navy-border);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  font-size: 13px;
  color: var(--on-navy-faint);
}


/* ==========================================================================
   6. RESPONSIVE
   The layout is fluid by default — every grid is auto-fit and type uses
   clamp(). These are the two places that genuinely need a breakpoint.
   ========================================================================== */

/* Client wall: 5 fixed columns would crush below desktop. */
@media (max-width: 900px) {
  .logo-wall__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .logo-wall__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
}

/* Mobile navigation drawer.
   Sized for the longest language, not the shortest: the German header
   ("Über uns", "Kontakt aufnehmen") plus the language switcher exactly fills
   a 760px container, so the drawer takes over at 820px for both locales.
   Keep this in step with the matchMedia query in site.js. */
@media (max-width: 820px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header__inner { gap: 16px; }

  .card--platform { padding: 28px; }
  .founder { gap: 20px; }
  .stat__value { font-size: var(--text-display-m); }
  .section-heading__title { font-size: clamp(32px, 8vw, 44px); }
}

@media (max-width: 420px) {
  .founder { flex-direction: column; }
}

@media print {
  .site-header, .nav-drawer, .contact-panel, .skip-link { display: none; }
  body { color: #000; }
}