/* ============================================================
   Clever Coding Experts GmbH – styles.css
   Styleguide: Deep Navy #06152D | Expert Blue #1478D4
   Font: Inter | Layout: Clean, B2B, Apple-inspired
   ============================================================ */

/* ============================================================
   CSS VARIABLEN
   ============================================================ */
:root {
  /* Primärfarben */
  --c-navy:       #06152D;
  --c-blue:       #1478D4;
  --c-grey:       #7A7F86;

  /* Sekundärfarben */
  --c-ice:        #F5F8FB;
  --c-white:      #FFFFFF;
  --c-slate:      #1E293B;
  --c-line:       #E3E8EF;

  /* Hover-Blau */
  --c-blue-dark:  #0F64B2;

  /* Typografie */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --max-w:        1200px;
  --section-py:   96px;

  /* Abstände */
  --pad-sm:       16px;
  --pad-md:       24px;
  --pad-lg:       32px;

  /* Radius */
  --r-btn:        10px;
  --r-card:       18px;
  --r-tag:        8px;
  --r-input:      10px;

  /* Schatten */
  --shadow-sm:    0 4px 12px rgba(6, 21, 45, 0.06);
  --shadow-md:    0 12px 30px rgba(6, 21, 45, 0.08);
  --shadow-lg:    0 24px 48px rgba(6, 21, 45, 0.12);

  /* Transitions */
  --t: 0.22s ease;
}


/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--c-slate);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button { font-family: var(--font); cursor: pointer; }
input, select, textarea { font-family: var(--font); }

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


/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-md);
}

.section {
  padding: var(--section-py) 0;
  background: var(--c-white);
}

.section--ice {
  padding: var(--section-py) 0;
  background: var(--c-ice);
}

.section--dark {
  padding: var(--section-py) 0;
  background: var(--c-navy);
}

.section__header {
  margin-bottom: 52px;
}


/* ============================================================
   TYPOGRAFIE: LABELS & HEADINGS
   ============================================================ */
.label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 14px;
}

.label--light { color: rgba(20, 120, 212, 0.85); }

.section__title {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--c-navy);
  line-height: 1.18;
  letter-spacing: -0.3px;
  margin-bottom: 16px;
}

.section__title--light { color: var(--c-white); }

.section__intro {
  font-size: 17px;
  color: var(--c-grey);
  line-height: 1.75;
  max-width: 600px;
}

.section__intro--light { color: rgba(255, 255, 255, 0.65); }


/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--r-btn);
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: background var(--t), color var(--t), border-color var(--t), transform var(--t), box-shadow var(--t);
  outline: none;
}
.btn:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: 2px;
}

/* Primary */
.btn--primary {
  background: var(--c-blue);
  color: var(--c-white);
  border-color: var(--c-blue);
}
.btn--primary:hover {
  background: var(--c-blue-dark);
  border-color: var(--c-blue-dark);
  color: var(--c-white);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(20, 120, 212, 0.28);
}
.btn--primary:active { transform: translateY(0); }

/* Secondary */
.btn--secondary {
  background: var(--c-white);
  color: var(--c-navy);
  border-color: var(--c-line);
}
.btn--secondary:hover {
  background: var(--c-ice);
  color: var(--c-navy);
  border-color: #C8D3DF;
  transform: translateY(-1px);
}

/* Large variant */
.btn--large {
  padding: 16px 32px;
  font-size: 16px;
}


/* ============================================================
   SCROLL REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }


/* ============================================================
   LOGO
   ============================================================ */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

/* PNG-Logo im Header */
.logo__img {
  height: 40px;
  width: auto;
  display: block;
  /* Schärfe auf Retina-Displays sicherstellen */
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* PNG-Logo im Footer (etwas kleiner) */
.logo__img--footer {
  height: 34px;
}

/* Footer-Logo: transparent → weiß auf Dunkelblau per CSS-Filter */
.footer__logo-link {
  text-decoration: none;
  display: inline-block;
}

/* Logo im Footer: alles weiß rendern (Standard für dunkle Hintergründe) */
.logo__img--footer {
  filter: brightness(0) invert(1);
  opacity: 0.90;
  transition: opacity var(--t);
}
.footer__logo-link:hover .logo__img--footer {
  opacity: 1;
}


/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), box-shadow var(--t);
}

.header.scrolled {
  border-bottom-color: var(--c-line);
  box-shadow: 0 2px 16px rgba(6, 21, 45, 0.05);
}

.header__inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 36px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.nav__link {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-slate);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--t);
}
.nav__link:hover { color: var(--c-navy); }
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-blue);
  border-radius: 1px;
  transition: width var(--t);
}
.nav__link:hover::after { width: 100%; }

.header__cta { flex-shrink: 0; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  padding: 4px;
  flex-shrink: 0;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-navy);
  border-radius: 1px;
  transition: transform var(--t), opacity var(--t);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding-top: 144px;
  padding-bottom: var(--section-py);
  background: var(--c-white);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: 64px;
  align-items: center;
}

.hero__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 22px;
}
.hero__label-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-blue);
  border-radius: 1px;
  flex-shrink: 0;
}

.hero__headline {
  font-size: clamp(36px, 5.5vw, 62px);
  font-weight: 800;
  color: var(--c-navy);
  line-height: 1.08;
  letter-spacing: -0.8px;
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 18px;
  color: var(--c-grey);
  line-height: 1.72;
  margin-bottom: 36px;
}

.hero__ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero__trust {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-slate);
  line-height: 1.65;
  padding-top: 28px;
  border-top: 1px solid var(--c-line);
  max-width: 500px;
}

/* Hero Visual */
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero__bg-svg {
  width: 100%;
  max-width: 500px;
  height: auto;
  filter: drop-shadow(0 8px 24px rgba(6, 21, 45, 0.06));
}


/* ============================================================
   INTRO / KURZPOSITIONIERUNG
   ============================================================ */
.intro {
  padding: var(--section-py) 0;
  background: var(--c-ice);
  border-top: 1px solid var(--c-line);
}

.intro__inner { max-width: 780px; }

.intro__body {
  margin-top: 28px;
}
.intro__body p {
  font-size: 17px;
  color: var(--c-slate);
  line-height: 1.8;
}
.intro__body p + p { margin-top: 18px; }

/* Statement-Zeile: hervorgehobener Kernsatz */
.intro__statement {
  font-size: 19px !important;
  font-weight: 600 !important;
  color: var(--c-navy) !important;
  line-height: 1.5 !important;
  border-left: 3px solid var(--c-blue);
  padding-left: 20px;
  margin: 28px 0 !important;
}


/* ============================================================
   CARDS (Leistungen & Warum wir)
   ============================================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.warum-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

/* Card base */
.card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: var(--pad-lg);
  position: relative;
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}

/* Top accent line */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--c-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
  border-radius: var(--r-card) var(--r-card) 0 0;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(20, 120, 212, 0.18);
}
.card:hover::before { transform: scaleX(1); }

/* Card Icon */
.card__icon {
  width: 50px;
  height: 50px;
  background: var(--c-ice);
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background var(--t);
}
.card:hover .card__icon { background: rgba(20, 120, 212, 0.08); }

.card__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--c-blue);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 12px;
  line-height: 1.3;
}

.card__text {
  font-size: 15px;
  color: var(--c-grey);
  line-height: 1.72;
}


/* ============================================================
   SCHWERPUNKTE
   ============================================================ */
.schwerpunkte__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

/* Tags Block */
.tags-block { margin-top: 32px; }

.tags-block__title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-grey);
  margin-bottom: 14px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 8px 14px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-tag);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-slate);
  transition: border-color var(--t), color var(--t), background var(--t);
  cursor: default;
}
.tag:hover {
  border-color: rgba(20, 120, 212, 0.4);
  color: var(--c-blue);
  background: rgba(20, 120, 212, 0.04);
}

/* Accent Tag (Beispielprofile) */
.tag--accent {
  color: var(--c-blue);
  border-color: rgba(20, 120, 212, 0.25);
  background: rgba(20, 120, 212, 0.04);
}
.tag--accent:hover {
  background: rgba(20, 120, 212, 0.10);
}

/* Quote Box */
.quote-box {
  margin-top: 28px;
  padding: 26px 28px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  border-left: 3px solid var(--c-blue);
  box-shadow: var(--shadow-sm);
}
.quote-box p {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-navy);
  line-height: 1.75;
}


/* ============================================================
   BRANCHENFOKUS
   ============================================================ */
.branchen-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

/* Branchen Card */
.branchen-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--r-card);
  padding: 40px;
  transition: background var(--t), border-color var(--t), transform var(--t);
}
.branchen-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(20, 120, 212, 0.40);
  transform: translateY(-4px);
}

.branchen-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(20, 120, 212, 0.14);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.branchen-card__icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--c-blue);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.branchen-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 14px;
}

.branchen-card__text {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.78;
}

/* Branchenthemen-Tags (auf dunklem Hintergrund) */
.branchen-card__topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.topic-tag {
  display: inline-block;
  padding: 5px 11px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.70);
  letter-spacing: 0.2px;
  transition: background var(--t), color var(--t);
}
.branchen-card:hover .topic-tag {
  background: rgba(20, 120, 212, 0.15);
  color: rgba(255, 255, 255, 0.85);
}

/* Branchen Note */
.branchen-note {
  margin-top: 44px;
  padding: 24px 32px;
  background: rgba(20, 120, 212, 0.12);
  border-left: 3px solid var(--c-blue);
  border-radius: 0 12px 12px 0;
}
.branchen-note p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.80);
  line-height: 1.75;
}


/* ============================================================
   PROZESS / ABLAUF
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  padding-top: 8px;
}

/* Connecting line */
.steps::before {
  content: '';
  position: absolute;
  top: 48px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 1px;
  background: var(--c-line);
  z-index: 0;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step__number {
  width: 80px;
  height: 80px;
  background: var(--c-white);
  border: 1.5px solid var(--c-line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  flex-shrink: 0;
  transition: background var(--t), border-color var(--t), box-shadow var(--t);
}
.step:hover .step__number {
  background: var(--c-blue);
  border-color: var(--c-blue);
  box-shadow: 0 8px 24px rgba(20, 120, 212, 0.25);
}

.step__number svg {
  width: 26px;
  height: 26px;
  stroke: var(--c-blue);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--t);
}
.step:hover .step__number svg { stroke: var(--c-white); }

.step__body { padding: 0 4px; }

.step__counter {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--c-blue);
  margin-bottom: 8px;
}

.step__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 8px;
  line-height: 1.3;
}

.step__text {
  font-size: 14px;
  color: var(--c-grey);
  line-height: 1.65;
}


/* ============================================================
   KONTAKT / CTA
   ============================================================ */
.kontakt {
  border-top: 1px solid var(--c-line);
}

.kontakt__inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.kontakt__title {
  font-size: clamp(26px, 4vw, 42px);
}

.kontakt__text {
  font-size: 17px;
  color: var(--c-grey);
  line-height: 1.78;
  margin: 24px 0 40px;
}

.kontakt__info {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--c-line);
  display: flex;
  justify-content: center;
  gap: 52px;
  flex-wrap: wrap;
}

.kontakt__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.kontakt__item-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-grey);
}

.kontakt__item-value {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-navy);
}
.kontakt__item-value a { color: var(--c-navy); }
.kontakt__item-value a:hover { color: var(--c-blue); }


/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--c-navy);
  padding: 52px 0;
}

.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.footer__tagline {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 10px;
  max-width: 260px;
  line-height: 1.6;
}

.footer__right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.footer__links {
  display: flex;
  gap: 24px;
}
.footer__links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--t);
}
.footer__links a:hover { color: var(--c-white); }

.footer__copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}


/* ============================================================
   MODAL & KONTAKTFORMULAR
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(6, 21, 45, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--c-white);
  border-radius: 20px;
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  transform: translateY(18px) scale(0.98);
  transition: transform 0.28s ease;
  scrollbar-width: thin;
}
.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: var(--c-ice);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-grey);
  transition: background var(--t), color var(--t);
}
.modal__close:hover {
  background: var(--c-line);
  color: var(--c-navy);
}

.modal__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 8px;
}

.modal__title {
  font-size: 22px;
  font-weight: 800;
  color: var(--c-navy);
  margin-bottom: 6px;
}

.modal__subtitle {
  font-size: 14px;
  color: var(--c-grey);
  margin-bottom: 28px;
}

/* Form Layout */
.form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__group--full { grid-column: 1 / -1; }

.form__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-navy);
}

.required { color: var(--c-blue); margin-left: 1px; }

/* Inputs */
.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--c-white);
  border: 1.5px solid var(--c-line);
  border-radius: var(--r-input);
  font-size: 15px;
  color: var(--c-slate);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
  appearance: none;
  -webkit-appearance: none;
}
.form__input::placeholder,
.form__textarea::placeholder { color: #B0B8C4; }

.form__input:hover,
.form__select:hover,
.form__textarea:hover { border-color: #C8D3DF; }

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--c-blue);
  box-shadow: 0 0 0 3px rgba(20, 120, 212, 0.10);
}

/* Select styling */
.form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237A7F86' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 42px;
  cursor: pointer;
  color: var(--c-slate);
}
.form__select option[value=""] { color: #B0B8C4; }

/* Textarea */
.form__textarea {
  min-height: 110px;
  resize: vertical;
  line-height: 1.6;
}

/* Submit Button */
.form__submit {
  width: 100%;
  padding: 15px;
  font-size: 16px;
}

.form__hint {
  font-size: 13px;
  color: var(--c-grey);
  text-align: center;
  margin-top: 10px;
}

/* Form Feedback */
.form__message {
  display: none;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
  text-align: center;
  line-height: 1.5;
}
.form__message--success {
  background: rgba(16, 185, 129, 0.09);
  color: #047857;
  border: 1px solid rgba(16, 185, 129, 0.25);
}
.form__message--error {
  background: rgba(239, 68, 68, 0.08);
  color: #B91C1C;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Validation error state */
.form__input.error,
.form__select.error,
.form__textarea.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.08);
}

/* Loading state for button */
.btn--loading {
  pointer-events: none;
  opacity: 0.75;
}


/* ============================================================
   RESPONSIVE: TABLET (max 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero__visual { display: none; }

  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .warum-grid  { grid-template-columns: repeat(2, 1fr); }

  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .steps::before { display: none; }

  .schwerpunkte__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}


/* ============================================================
   RESPONSIVE: MOBILE (max 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --section-py: 68px; }

  /* Header: hamburger menu */
  .header__nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--c-white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 20px;
    border-top: 1px solid var(--c-line);
    box-shadow: 0 12px 32px rgba(6, 21, 45, 0.10);
    z-index: 99;
  }
  .header__nav.open { display: flex; }

  .nav__link {
    padding: 14px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--c-line);
  }
  .nav__link:last-child { border-bottom: none; }
  .nav__link::after { display: none; }

  .header__cta { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hero { padding-top: 112px; }
  .hero__headline { font-size: 30px; }
  .hero__sub { font-size: 16px; }

  /* Cards */
  .cards-grid { grid-template-columns: 1fr; }
  .warum-grid  { grid-template-columns: 1fr; }
  .branchen-grid { grid-template-columns: 1fr; }

  /* Steps: vertical list */
  .steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .step {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: 20px;
  }
  .step__number { flex-shrink: 0; }
  .step__body { padding-top: 26px; }

  /* Branchen Cards */
  .branchen-card { padding: 28px; }

  /* Kontakt Info */
  .kontakt__info {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .footer__right { align-items: center; }
  .footer__tagline { text-align: center; }

  /* Modal */
  .modal { padding: 28px 18px; }
  .form__grid { grid-template-columns: 1fr; }
}


/* ============================================================
   RESPONSIVE: SMALL MOBILE (max 480px)
   ============================================================ */
@media (max-width: 480px) {
  .hero__ctas {
    flex-direction: column;
    width: 100%;
  }
  .hero__ctas .btn { width: 100%; }
  .btn--large { width: 100%; }

  .card { padding: 24px; }
  .branchen-card { padding: 24px; }
}