/* ==========================================================================
   STIER Software GmbH — Stylesheet
   Font: Roboto (lokal eingebunden) | Farben: Blau & Gelb/Orange auf Weiß
   ========================================================================== */

/* Lokal gehostete Schriftart (kein externer Aufruf bei Google mehr nötig).
   Variable-Font-Datei deckt den gesamten Schnittbereich 100–900 in einer
   einzigen Datei ab (Latin-Subset — ausreichend für deutsche Texte inkl.
   Umlaute, ß und €). */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../assets/fonts/roboto-latin-variable.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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --blue-dark: #123b66;
  --blue: #1f6fb8;
  --blue-light: #eaf3fb;
  --orange: #f5a623;
  --orange-dark: #d98c00;
  --white: #ffffff;
  --gray-50: #f7f9fb;
  --gray-100: #eef1f4;
  --gray-300: #d7dde3;
  --gray-600: #5a6472;
  --gray-900: #1a1f27;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(18, 59, 102, 0.08);
  --shadow-lg: 0 12px 40px rgba(18, 59, 102, 0.14);
  --container: 1180px;
  --transition: 0.2s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Roboto", Arial, Helvetica, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0 0 0.5em; font-weight: 700; line-height: 1.2; }
p { margin: 0 0 1em; color: var(--gray-600); }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
}
.section--alt {
  background: var(--gray-50);
}
.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  color: var(--orange-dark);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--blue-dark);
}
.section-head p { margin: 0; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--orange);
  color: var(--blue-dark);
  box-shadow: 0 8px 20px rgba(245, 166, 35, 0.35);
}
.btn--primary:hover { background: var(--orange-dark); }
.btn--outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--white);
}
.btn--outline:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.1); }
.btn--blue {
  background: var(--blue-dark);
  color: var(--white);
}
.btn--blue:hover { background: var(--blue); }
.btn--block { width: 100%; }

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--gray-100);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo__img {
  height: 52px;
  width: auto;
  display: block;
}
.footer__brand {
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 12px;
}
.why__visual-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.why__visual-art {
  position: relative;
  z-index: 1;
  width: min(78%, 340px);
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav__links {
  display: flex;
  gap: 30px;
}
/* CTA button duplicated into the mobile menu (see .nav.is-open .nav__cta
   below) — hidden by default so it never shows in the desktop nav bar. */
.nav__cta {
  display: none;
}
.nav__links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--gray-900);
  position: relative;
  padding: 6px 0;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav__links a:hover::after { transform: scaleX(1); }

.header__actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.header__phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--blue-dark);
  font-size: 0.95rem;
}
.header__phone svg { color: var(--orange); }

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  background: none;
  border: none;
  padding: 8px;
  color: var(--blue-dark);
  cursor: pointer;
}
.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
/* Hamburger → X, wenn das mobile Menü geöffnet ist */
.nav-toggle.is-active .nav-toggle__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-active .nav-toggle__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  color: var(--white);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -20%;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(245,166,35,0.28) 0%, rgba(245,166,35,0) 70%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: block;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding-top: 96px;
  padding-bottom: 88px;
}
.hero__inner .hero__actions {
  justify-content: center;
}
.hero__inner p.lead {
  margin-left: auto;
  margin-right: auto;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}
.hero__badge svg { color: var(--orange); }
.hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  margin-bottom: 20px;
}
.hero h1 span { color: var(--orange); }
.hero p.lead {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 32px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 0;
}
.hero__panel {
  position: relative;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(6px);
}
.hero__panel h2 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 18px;
}
.hero__panel-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hero__panel-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.hero__panel-item .icon-box { background: var(--orange); color: var(--blue-dark); }
.hero__panel-item span { font-size: 0.92rem; font-weight: 500; }

/* --- Icon box --- */
.icon-box {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-light);
  color: var(--blue);
}

/* --- Trust strip --- */
.trust-strip {
  border-bottom: 1px solid var(--gray-100);
}
.trust-strip__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: space-between;
  padding-top: 28px;
  padding-bottom: 28px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--blue-dark);
}
.trust-item svg { color: var(--orange); flex-shrink: 0; }

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-light);
}
.service-card .icon-box {
  background: var(--blue-dark);
  color: var(--orange);
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 1.1rem;
  color: var(--blue-dark);
}
.service-card p { margin-bottom: 14px; font-size: 0.94rem; }
.service-card__link {
  font-weight: 700;
  font-size: 0.86rem;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* --- Why us --- */
.why {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.why__visual {
  position: relative;
  background: var(--blue-dark);
  border-radius: var(--radius-lg);
  min-height: 420px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.why__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 59, 102, 0.65), rgba(18, 59, 102, 0) 55%);
  pointer-events: none;
}
.why__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 36px 36px;
}
.why__list {
  display: flex;
  flex-direction: column;
  gap: 26px;
  margin-top: 32px;
}
.why__item {
  display: flex;
  gap: 18px;
}
.why__item h4 {
  color: var(--blue-dark);
  font-size: 1.02rem;
  margin-bottom: 4px;
}
.why__item p { margin: 0; font-size: 0.94rem; }

/* --- CTA band --- */
.cta-band {
  background: linear-gradient(120deg, var(--blue-dark), var(--blue));
  border-radius: var(--radius-lg);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  color: var(--white);
}
.cta-band h2 { color: var(--white); font-size: 1.5rem; margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,0.85); margin: 0; max-width: 460px; }
.cta-band__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}
.contact-card {
  background: var(--blue-dark);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contact-card h2 { color: var(--white); font-size: 1.1rem; }
.contact-card p { color: rgba(255,255,255,0.75); }
.contact-list { display: flex; flex-direction: column; gap: 22px; margin-top: 28px; }
.contact-list__item { display: flex; gap: 14px; align-items: flex-start; }
.contact-list__item .icon-box { background: rgba(255,255,255,0.1); color: var(--orange); }
.contact-list__item strong { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: rgba(255,255,255,0.6); margin-bottom: 3px; }
.contact-list__item span, .contact-list__item a { font-weight: 500; }
.contact-social { display: flex; gap: 12px; margin-top: 32px; }
.contact-social__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 999px;
  color: var(--white);
  font-weight: 700;
  font-size: 0.92rem;
  background: linear-gradient(45deg, #f9ce34, #ee2a7b, #6228d7);
  box-shadow: 0 8px 22px rgba(238, 42, 123, 0.35);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}
.contact-social__link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(238, 42, 123, 0.45);
  filter: brightness(1.08);
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--blue-dark);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: var(--gray-50);
  transition: border-color var(--transition), background var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.8rem; color: var(--gray-600); margin-top: 14px; }

/* Honeypot: hidden from sighted users and screen readers, but still
   present in the DOM/tab order-free for bots that auto-fill every field. */
.form-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  font-weight: 500;
}
.form-status--success {
  background: #e7f6ec;
  color: #1e7a3d;
  border: 1px solid #b7e4c7;
}
.form-status--error {
  background: #fdecec;
  color: #b3261e;
  border: 1px solid #f5c2c0;
}
.form-status--loading {
  background: var(--blue-light);
  color: var(--blue-dark);
  border: 1px solid #cfe3f5;
}

/* --- Footer --- */
.footer {
  background: var(--blue-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 72px 0 28px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer p { color: rgba(255, 255, 255, 0.65); font-size: 0.92rem; }
.footer h4 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.footer__links { display: flex; flex-direction: column; gap: 12px; }
.footer__links a { font-size: 0.92rem; transition: color var(--transition); }
.footer__links a:hover { color: var(--orange); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}
.footer__bottom a:hover { color: var(--orange); }

/* Legal page (Impressum/Datenschutz) */
.legal-page {
  padding: 72px 0 96px;
  max-width: 820px;
  margin: 0 auto;
}
.legal-page h1 { color: var(--blue-dark); margin-bottom: 8px; }
.legal-page .lead { margin-bottom: 40px; }
.legal-page h2 {
  color: var(--blue-dark);
  font-size: 1.15rem;
  margin-top: 40px;
}
.legal-page ul { list-style: disc; padding-left: 22px; margin-bottom: 16px; }
.legal-page ul li { margin-bottom: 6px; color: var(--gray-600); }
.legal-page .placeholder-notice {
  background: var(--blue-light);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 32px;
  font-size: 0.92rem;
  color: var(--blue-dark);
}
.placeholder { color: var(--orange-dark); font-weight: 700; }

/* --- Responsive --- */
@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why, .contact-grid { grid-template-columns: 1fr; }
  .why__visual { min-height: 280px; order: -1; }
  .hero__inner { padding-top: 48px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

/* Hamburger-Menü: eigener, breiterer Umschaltpunkt, damit die Desktop-Nav
   (Logo + Links + Telefonnummer + CTA-Button) nie gequetscht dargestellt
   wird, bevor sie ins mobile Menü wechselt. */
@media (max-width: 960px) {
  .nav__links, .header__phone span { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav {
    position: fixed;
    inset: 84px 0 0 0;
    height: calc(100vh - 84px);
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    transform: translateY(-110%);
    transition: transform var(--transition);
    border-top: 1px solid var(--gray-100);
  }
  .nav.is-open { transform: translateY(0); }
  .nav.is-open .nav__links {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .nav.is-open .nav__links li:not(.nav__cta) a { display: block; padding: 14px 4px; border-bottom: 1px solid var(--gray-100); }
  .nav.is-open .nav__cta { display: block; margin-top: 16px; }
  .header__actions { gap: 8px; }
  /* Primary CTA button moves into the mobile menu; header keeps only
     phone icon + hamburger so the bar never overflows narrow screens. */
  .header__actions > .btn--primary { display: none; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 36px 24px; }
  .cta-band__actions { justify-content: center; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-card, .contact-form { padding: 28px; }
}

@media (max-width: 400px) {
  .logo__img { height: 40px; }
}