/* ==========================================================================
   kampl.design — Stylesheet
   Hell/dunkel segmentiert: weißer Header, dunkler Hero, abwechselnde
   helle/dunkle Sektionen. Design-Tokens zentral hier.
   ========================================================================== */

:root {
  /* Marken-/Akzentfarbe */
  --c-blue:      #2c9fda;
  --c-blue-dim:  #1c6f9c;

  /* Helle Flächen (Standard für Content-Sektionen) */
  --c-bg:        #ffffff;
  --c-bg-alt:    #eef1f3;   /* leicht abgesetzte helle Fläche */
  --c-surface:   #f6f7f8;   /* Karten auf hellem Grund */
  --c-border:    rgba(10, 20, 30, 0.1);
  --c-text:      #0e1620;   /* Fließtext auf hellem Grund */
  --c-text-dim:  #5c6670;

  /* Dunkle Flächen (Hero, Wertestreifen, CTA-Band, Footer) */
  --c-dark:        #020f1d;
  --c-dark-alt:    #0a1c2e;
  --c-dark-border: rgba(255, 255, 255, 0.1);
  --c-dark-text:      #f3f6f8;
  --c-dark-text-dim:  #9fadb8;

  /* Typografie */
  --f-display: "Sora", "Helvetica Neue", Arial, sans-serif;
  --f-body:    "Inter", "Helvetica Neue", Arial, sans-serif;

  --fs-hero:   clamp(2.4rem, 5vw + 1rem, 4.2rem);
  --fs-h2:     clamp(1.8rem, 2.4vw + 1rem, 2.6rem);
  --fs-h3:     1.25rem;
  --fs-body:   1.05rem;
  --fs-small:  0.9rem;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  --radius: 14px;
  --max-width: 1180px;
}

/* ---- Reset / Basics -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--f-display);
  font-weight: 800;
  line-height: 1.08;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.02em;
}
h1 { font-size: var(--fs-hero); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 700; }

p { margin: 0 0 var(--space-2); color: var(--c-text-dim); }
p.lead { font-size: 1.15rem; color: var(--c-text); }

a { color: var(--c-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: 3px;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-display);
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-blue);
  margin-bottom: var(--space-2);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--c-blue);
}

.text-accent { color: var(--c-blue); }

/* ---- Buttons ----------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.98rem;
  padding: 0.85rem 1.6rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--c-blue);
  color: #051019;
}
.btn-primary:hover { background: #4db3e6; }

.btn-ghost {
  background: transparent;
  color: var(--c-dark-text);
  border-color: var(--c-dark-border);
}
.btn-ghost:hover { border-color: var(--c-blue); color: var(--c-blue); }

.btn-dark {
  background: var(--c-dark);
  color: #fff;
}
.btn-dark:hover { background: var(--c-dark-alt); }

.link-arrow {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 2px solid var(--c-blue);
  padding-bottom: 2px;
}
.link-arrow:hover { text-decoration: none; opacity: 0.8; }

/* ---- Header / Nav (immer weiß) ----------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}
.logo { display: flex; align-items: center; font-family: var(--f-display); font-weight: 800; font-size: 1.25rem; color: var(--c-text); }
.logo span.dot { color: var(--c-blue); }

.main-nav { display: flex; align-items: center; gap: var(--space-4); }
.main-nav ul { list-style: none; display: flex; gap: var(--space-3); margin: 0; padding: 0; }
.main-nav a { color: var(--c-text-dim); font-size: 0.98rem; font-weight: 500; }
.main-nav a:hover, .main-nav a.active { color: var(--c-text); text-decoration: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  color: var(--c-text);
  padding: 0.4rem 0.7rem;
  font-size: 1.2rem;
  cursor: pointer;
}

@media (max-width: 860px) {
  .main-nav ul { display: none; }
  .main-nav.open ul {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-bg);
    padding: var(--space-3);
    border-bottom: 1px solid var(--c-border);
  }
  .main-nav .btn-primary { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* ---- Hero (immer dunkel) ------------------------------------------------ */
.hero {
  background: var(--c-dark);
  color: var(--c-dark-text);
  padding: var(--space-6) 0 var(--space-5);
}
.hero .container {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}
.hero h1 { margin-bottom: var(--space-3); color: var(--c-dark-text); }
.hero p, .hero p.lead { color: var(--c-dark-text-dim); }
.hero p.lead { max-width: 46ch; margin-bottom: var(--space-4); color: #d3dbe1; }
.hero-actions { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }

.hero-tags {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-5);
  list-style: none;
  padding: 0;
  font-family: var(--f-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-dark-text-dim);
}
.hero-tags li { display: flex; align-items: center; gap: 0.5rem; }
.hero-tags li::before { content: ""; width: 8px; height: 8px; background: var(--c-blue); display: inline-block; }

.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 15% 0%, rgba(44, 159, 218, 0.35) 0%, transparent 55%),
    radial-gradient(90% 70% at 100% 100%, rgba(44, 159, 218, 0.18) 0%, transparent 60%),
    linear-gradient(155deg, var(--c-dark-alt) 0%, #061424 55%, #020a13 100%);
  border: 1px solid var(--c-dark-border);
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle at 30% 20%, black 0%, transparent 70%);
}
.hero-visual::after {
  content: "";
  position: absolute;
  bottom: -14px;
  right: -14px;
  width: 34px;
  height: 34px;
  background: var(--c-blue);
}

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; aspect-ratio: 16/9; }
  .hero-tags { flex-wrap: wrap; gap: var(--space-2) var(--space-4); }
}

/* ---- Section basics (hell = Standard) --------------------------------- */
.section { padding: var(--space-6) 0; background: var(--c-bg); }
.section-alt { background: var(--c-bg-alt); }
.section-head { max-width: 60ch; margin-bottom: var(--space-5); }
.section-head h2 { color: var(--c-text); }

/* Dunkles Segment als expliziter Modifier (Wertestreifen, CTA, Footer) */
.section-dark {
  background: var(--c-dark);
  color: var(--c-dark-text);
}
.section-dark h2, .section-dark h3 { color: var(--c-dark-text); }
.section-dark p { color: var(--c-dark-text-dim); }

/* ---- Pillar / feature cards (hell, mit Bildkopf) ----------------------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

/* Spaltenzahl als Modifier statt Inline-Style, damit die Mobile-Query greift */
.pillars.cols-2 { grid-template-columns: repeat(2, 1fr); }
.pillars.cols-4 { grid-template-columns: repeat(4, 1fr); }
.pillar-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.pillar-card .pillar-visual {
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(90% 80% at 90% 10%, rgba(44, 159, 218, 0.28) 0%, transparent 55%),
    linear-gradient(150deg, var(--c-dark-alt) 0%, var(--c-dark) 100%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-2);
  position: relative;
  overflow: hidden;
}
.pillar-card .pillar-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: radial-gradient(circle at 80% 15%, black 0%, transparent 65%);
}
.pillar-card .pillar-visual .icon-badge {
  width: 44px;
  height: 44px;
  background: var(--c-blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #051019;
  font-family: var(--f-display);
  font-weight: 800;
}
.pillar-card .pillar-body { padding: var(--space-4) var(--space-3) var(--space-4); flex-grow: 1; display: flex; flex-direction: column; }
.pillar-card h3 { margin-bottom: 0.5rem; color: var(--c-text); }
.pillar-card p { flex-grow: 0; }
.pillar-card .pillar-list {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0 var(--space-3);
  border-top: 1px solid var(--c-border);
  padding-top: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.pillar-card .pillar-list li {
  font-size: 0.92rem;
  color: var(--c-text-dim);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.pillar-card .pillar-list li::before {
  content: "✓";
  color: var(--c-blue);
  font-weight: 700;
}
.pillar-card .link-arrow { margin-top: auto; }

/* Textkarten ohne Bildkopf (Unterseiten): gleicher Innenabstand wie .pillar-body auf der Startseite */
.pillar-card:not(:has(.pillar-visual)):not(:has(.pillar-body)) {
  padding: var(--space-4) var(--space-3);
}
.pillar-card:not(:has(.pillar-visual)) > .num {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-family: var(--f-display);
  font-weight: 800;
  color: var(--c-blue);
}

@media (max-width: 860px) {
  .pillars,
  .pillars.cols-2,
  .pillars.cols-4 { grid-template-columns: 1fr; }
}

/* ---- Wertestreifen (dunkel, 4-spaltig) --------------------------------- */
.value-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.value-strip .value-item {
  padding: var(--space-4) var(--space-3);
  border-left: 1px solid var(--c-dark-border);
}
.value-strip .value-item:first-child { border-left: none; }
.value-strip h3 { color: var(--c-dark-text); font-size: 1.05rem; margin-bottom: 0.4rem; }
.value-strip p { color: var(--c-dark-text-dim); font-size: 0.92rem; margin: 0; }
.value-strip .value-icon { color: var(--c-blue); margin-bottom: var(--space-2); font-size: 1.3rem; }

@media (max-width: 860px) {
  .value-strip { grid-template-columns: 1fr; }
  .value-strip .value-item { border-left: none; border-top: 1px solid var(--c-dark-border); }
  .value-strip .value-item:first-child { border-top: none; }
}

/* ---- Trust / stats row (hell) ------------------------------------------ */
.trust {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}
.stat-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.stat-row .stat h4 {
  font-family: var(--f-display);
  color: var(--c-text);
  font-size: 1.05rem;
  margin: 0 0 0.3rem;
}
.stat-row .stat p { margin: 0; font-size: var(--fs-small); }
.trust-visual {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  background:
    radial-gradient(100% 80% at 85% 0%, rgba(44, 159, 218, 0.3) 0%, transparent 55%),
    linear-gradient(150deg, var(--c-dark-alt) 0%, var(--c-dark) 100%);
  border: 1px solid var(--c-border);
  overflow: hidden;
}
.trust-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 20px 20px;
  mask-image: radial-gradient(circle at 70% 30%, black 0%, transparent 70%);
}

@media (max-width: 860px) {
  .trust { grid-template-columns: 1fr; }
}

/* ---- CTA-Band (dunkel) -------------------------------------------------- */
.cta-band {
  text-align: center;
  padding: var(--space-6) 0;
  background: var(--c-dark);
  color: var(--c-dark-text);
}
.cta-band h2 { margin-bottom: var(--space-3); color: var(--c-dark-text); }
.cta-band p.lead { color: var(--c-dark-text-dim); margin-left: auto; margin-right: auto; }

/* ---- Footer (dunkel, Logo als helle Karte) ----------------------------- */
.site-footer { padding: var(--space-5) 0 var(--space-4); background: var(--c-dark); color: var(--c-dark-text-dim); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--c-dark-border);
}
.footer-logo-card {
  display: inline-block;
  background: #fff;
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
}
.footer-logo-card .logo { color: var(--c-text); }
.footer-grid h4 { font-family: var(--f-display); font-size: 0.9rem; font-weight: 700; color: var(--c-dark-text); margin: 0 0 var(--space-2); text-transform: uppercase; letter-spacing: 0.06em; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-grid ul a, .footer-grid p { color: var(--c-dark-text-dim); font-size: 0.95rem; }
.footer-grid ul a:hover { color: var(--c-blue); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-3);
  font-size: var(--fs-small);
  color: var(--c-dark-text-dim);
}
.footer-bottom ul { list-style: none; display: flex; gap: var(--space-3); margin: 0; padding: 0; }
.footer-bottom a { color: var(--c-dark-text-dim); }

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---- Kontaktformular (helle Karte auf hellem Grund) --------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-5); align-items: start; }
.contact-info ul { list-style: none; padding: 0; margin: var(--space-3) 0 0; display: flex; flex-direction: column; gap: 0.6rem; }
.contact-info a { color: var(--c-text); }
form.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--space-4);
}
form.contact-form label { font-family: var(--f-display); font-weight: 600; font-size: 0.9rem; color: var(--c-text-dim); }
form.contact-form input,
form.contact-form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--c-border);
  background: #fff;
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: 1rem;
}
form.contact-form textarea { resize: vertical; min-height: 130px; }
.hp-field { position: absolute; left: -9999px; top: -9999px; }

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---- Rechtstexte (hell) -------------------------------------------------- */
.legal-content { max-width: 70ch; }
.legal-content h1, .legal-content h2 { color: var(--c-text); }
.legal-content h2 { font-size: 1.3rem; margin-top: var(--space-4); }
.legal-content p, .legal-content li { margin-bottom: var(--space-2); }
.legal-content ul { padding-left: 1.2rem; }
.legal-content a { color: var(--c-blue); }

.hero-visual img,
.trust-visual img,
.pillar-card .pillar-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  background: var(--c-blue);
  color: #051019;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  z-index: 100;
}
.skip-link:focus { left: var(--space-3); top: var(--space-3); }