/* ==========================================================================
   AMG Haustechnik — Stylesheet
   Neu aufgebaut auf Basis der Flyer-Designsprache.
   ========================================================================== */

/* ---------- Fonts ---------- */
@font-face {
  font-display: swap;
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  src: url('fonts/lato/lato-v25-latin-regular.woff2') format('woff2'),
       url('fonts/lato/lato-v25-latin-regular.ttf') format('truetype');
}
@font-face {
  font-display: swap;
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  src: url('fonts/lato/lato-v25-latin-700.woff2') format('woff2'),
       url('fonts/lato/lato-v25-latin-700.ttf') format('truetype');
}
@font-face {
  font-display: swap;
  font-family: 'Lato';
  font-style: normal;
  font-weight: 900;
  src: url('fonts/lato/lato-v25-latin-900.woff2') format('woff2'),
       url('fonts/lato/lato-v25-latin-900.ttf') format('truetype');
}
@font-face {
  font-display: swap;
  font-family: 'Oooh Baby';
  font-style: normal;
  font-weight: 400;
  src: url('fonts/oooh-baby/oooh-baby-v4-latin-regular.woff2') format('woff2'),
       url('fonts/oooh-baby/oooh-baby-v4-latin-regular.ttf') format('truetype');
}

/* ---------- Design Tokens ---------- */
:root {
  /* Marken-Blau (bestehendes System) */
  --primary: #3f91cf;
  --primary-light: #6cb2e8;
  --dark-blue: #243661;
  --darker-blue: #1a233f;

  /* Grün — bewusst separates Colorcoding für Energieberatung */
  --green: #4b9b72;
  --green-dark: #2f7350;
  --green-bg: #e5f5ec;

  /* Neutrale */
  --white: #ffffff;
  --off-white: #f6f8fa;
  --text: var(--darker-blue);
  --text-muted: #62787d;
  --border-light: #e3e8ee;

  /* Typo */
  --font-display: 'Lato', sans-serif;
  --font-body: 'Lato', sans-serif;
  --font-script: 'Oooh Baby', cursive;

  /* Kurven-Radius — durchgängiges Signature-Element */
  --curve-lg: 5rem;
  --curve-md: 3rem;
  --curve-sm: 1.5rem;

  --container-width: 1200px;
  --transition: 0.3s ease;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.15;
  color: var(--darker-blue);
}

button, input, textarea { font-family: inherit; font-size: inherit; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border-radius: 50rem;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--dark-blue);
}
.btn-outline {
  border-color: var(--white);
  color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--darker-blue);
}

/* ---------- Eyebrow / Section heads ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition);
  background: rgba(26, 35, 63, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.site-header.is-scrolled {
  background: var(--darker-blue);
  padding: 0.85rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  color: var(--white);
}
.logo img {
  height: 42px;
  width: auto;
}
.logo-fallback {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-fallback strong {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.02em;
}
.logo-fallback span {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--primary-light);
  text-transform: uppercase;
  margin-top: 2px;
}

.main-nav ul {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.main-nav a {
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: var(--transition);
  position: relative;
}
.main-nav a:hover {
  color: var(--primary-light);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.header-phone {
  display: none;
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  align-items: center;
  gap: 0.4rem;
}
.header-phone i { color: var(--primary-light); font-size: 1.1rem; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: var(--darker-blue);
    transform: translateX(100%);
    transition: transform var(--transition);
    padding: 6rem 2rem 2rem;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .header-actions .btn-outline { display: none; }
}
@media (min-width: 901px) {
  .nav-toggle { display: none; }
  .header-phone { display: flex; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
}
.hero-media {
  height: 78vh;
  min-height: 480px;
  position: relative;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26,35,63,0.15) 0%, rgba(26,35,63,0.55) 100%);
}

.hero-panel {
  position: relative;
  margin-top: -8rem;
  background: var(--darker-blue);
  border-top-right-radius: var(--curve-lg);
  padding: 3.5rem 1.5rem 3rem;
  z-index: 2;
}
.hero-panel-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.hero-panel h1 {
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 1.25rem;
}
.hero-panel p {
  color: #cfd9ea;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}
.hero-panel p strong { color: var(--white); }

.hero-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2.5rem;
}

.badge-247 {
  flex-shrink: 0;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 2px solid var(--primary-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: var(--font-display);
}
.badge-247 strong {
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1;
}
.badge-247 span {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--primary-light);
  margin-top: 2px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.contact-list i {
  color: var(--primary-light);
  font-size: 1.15rem;
  flex-shrink: 0;
}
.contact-list a {
  color: var(--white);
  font-weight: 700;
  font-size: 1.05rem;
  transition: var(--transition);
}
.contact-list a:hover { color: var(--primary-light); }

@media (min-width: 700px) {
  .hero-panel { padding: 4.5rem 1.5rem 4rem; }
}

/* ==========================================================================
   Services
   ========================================================================== */
.services {
  background: var(--darker-blue);
  padding: 5rem 0 6rem;
  position: relative;
}
.services h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 3rem;
}

.service-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem 3rem;
}
@media (min-width: 720px) {
  .service-list { grid-template-columns: 1fr 1fr; }
}

.service-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.service-item .check {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  margin-top: 0.2rem;
}
.service-item h3 {
  color: var(--primary-light);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.service-item p {
  color: #b9c4d6;
  font-size: 0.95rem;
}

/* ==========================================================================
   Signature panel ("Wir machen Ihr Zuhause besser!")
   ========================================================================== */
.signature {
  display: grid;
  grid-template-columns: 1fr;
  background: #fff;
}
@media (min-width: 860px) {
  .signature { grid-template-columns: 1.1fr 1fr; min-height: 420px; }
}

.signature-content {
  background: var(--dark-blue);
  color: var(--white);
  padding: 4rem 1.5rem;
  border-top-right-radius: var(--curve-md);
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
@media (max-width: 991px) {
  .signature-content {
    border-top-right-radius: 0;
    border-bottom-left-radius: var(--curve-md);
  }
}
.signature-content-inner {
  max-width: 480px;
  margin-left: auto;
  width: 100%;
  padding-left: 1.5rem;
}
.signature-script {
  font-family: var(--font-script);
  font-size: clamp(2.2rem, 4.5vw, 3rem);
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1.5rem;
  font-weight: 700;
}
.signature-rule {
  width: 90px;
  height: 2px;
  background: var(--primary-light);
  border: none;
  margin-bottom: 1.75rem;
}
.check-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.55rem 0;
  font-weight: 700;
  font-size: 1.05rem;
}
.check-list .check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.signature-media {
  position: relative;
  min-height: 260px;
}
.signature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}

/* ==========================================================================
   Energieberatung
   ========================================================================== */
.energy {
  background: var(--off-white);
  padding: 5.5rem 0;
}
.energy-grid {
  display: grid;
  gap: 3rem;
}
@media (min-width: 900px) {
  .energy-grid {
            align-items: center;
        max-width: 48rem;
        margin: 0 auto;
        text-align: center;
  }
}

.energy h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 1.25rem;
}
.energy > .container > .energy-grid > .energy-text > p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.energy-card {
  background: var(--green-bg);
  border-radius: var(--curve-sm);
  padding: 1.75rem 1.5rem;
  margin-top: 2rem;
}
.energy-card li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.6rem 0;
  font-weight: 700;
  color: var(--dark-blue);
}
.energy-card li:not(:last-child) {
  border-bottom: 1px solid rgba(75, 155, 114, 0.18);
}
.energy-card .check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.energy-leaf {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--green-bg);
  color: var(--green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1.5rem;
}

/* ==========================================================================
   Partner
   ========================================================================== */
.partners {
  background: var(--white);
  padding: 4rem 0 5rem;
  text-align: center;
  border-top: 1px solid var(--border-light);
}
.partners .eyebrow { justify-content: center; width: 100%; }
.partners h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 3rem;
}
.partner-logos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem 2rem;
  align-items: center;
  justify-items: center;
}
@media (min-width: 700px) {
  .partner-logos { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1000px) {
  .partner-logos { grid-template-columns: repeat(6, 1fr); }
}
.partner-logos img {
  max-height: 42px;
  width: auto;
}

/* ==========================================================================
   Kontakt
   ========================================================================== */
.contact {
  background: var(--darker-blue);
  padding: 6rem 0;
  border-top-right-radius: var(--curve-lg);
  margin-top: -1px;
}
.contact-grid {
  display: grid;
  gap: 3rem;
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

.contact-intro h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  max-width: 16ch;
  margin-bottom: 1rem;
}
.contact-intro > p {
  color: #b9c4d6;
  margin-bottom: 2.5rem;
  max-width: 46ch;
}

.contact-person {
  display: flex;
  gap: 1.25rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--curve-sm);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}
.person-avatar {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
}
.contact-person strong {
  display: block;
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}
.contact-person p {
  color: #b9c4d6;
  font-size: 0.92rem;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.5rem 0;
  color: var(--white);
  font-weight: 700;
}
.contact-details i { color: var(--primary-light); font-size: 1.1rem; }
.contact-details a { transition: var(--transition); }
.contact-details a:hover { color: var(--primary-light); }

/* Form */
.contact-form {
  background: var(--white);
  border-radius: var(--curve-sm);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.form-row {
  display: grid;
  gap: 1.1rem;
}
@media (min-width: 500px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}
.contact-form label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border-light);
  border-radius: 0.75rem;
  padding: 0.8rem 1rem;
  background: var(--off-white);
  color: var(--text);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form .btn { align-self: flex-start; margin-top: 0.5rem; }
.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--dark-blue);
  color: #b9c4d6;
  padding: 3.5rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (min-width: 780px) {
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
}
.footer-logo img { height: 40px; margin-bottom: 1rem; }
.footer-logo .logo-fallback strong { color: var(--white); }
.footer-brand p { max-width: 32ch; font-size: 0.92rem; }

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { font-size: 0.92rem; transition: var(--transition); }
.footer-col a:hover { color: var(--primary-light); }

.footer-social {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.25rem;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  padding-top: 1.5rem;
  font-size: 0.82rem;
}
.footer-bottom a:hover { color: var(--primary-light); }

/* ==========================================================================
   Back to top
   ========================================================================== */
.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 999;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--dark-blue); }


/* ==========================================================================
   Legal pages (Impressum / Datenschutz)
   ========================================================================== */
.legal-hero {
  background: var(--darker-blue);
  padding: 9rem 0 3rem;
  border-top-right-radius: var(--curve-md);
}
.legal-hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 2.8rem);
}
 
.legal { padding: 4rem 0 6rem; }
.legal-content { max-width: var(--container-width); margin: 0 auto; }
.legal-content h2 {
  font-size: 1.4rem;
  margin: 2.5rem 0 1rem;
  color: var(--darker-blue);
}
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content h3 {
  font-size: 1.1rem;
  margin: 1.75rem 0 0.75rem;
  color: var(--dark-blue);
}
.legal-content p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.legal-content p strong { color: var(--text); }
.legal-content ul {
  margin: 0 0 1.25rem 1.25rem;
  list-style: disc;
  color: var(--text-muted);
}
.legal-content li { margin-bottom: 0.4rem; padding-left: 0.25rem; }
.legal-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.legal-content a:hover { color: var(--dark-blue); }
 

 /* Contact form status (loading / error / sent) */
.form-status { display: none; }
.form-loading, .form-error, .form-sent { display: none; margin: 0 0 0.5rem; font-size: 0.9rem; padding: 0.75rem 1rem; border-radius: 0.75rem; }
.form-loading { background: var(--off-white); color: var(--text-muted); }
.form-error { background: #fdecea; color: #b3261e; }
.form-sent { background: var(--green-bg); color: var(--green-dark); font-weight: 700; }
 
.contact-form.is-loading .form-status,
.contact-form.is-error .form-status,
.contact-form.is-sent .form-status { display: block; }
.contact-form.is-loading .form-loading { display: block; }
.contact-form.is-error .form-error { display: block; }
.contact-form.is-sent .form-sent { display: block; }
.contact-form.is-sent .form-row,
.contact-form.is-sent div:has(> textarea),
.contact-form.is-sent div:has(> #subject) { opacity: 0.5; }
 
/* Honeypot – für Menschen unsichtbar, für simple Bots normal ausfüllbar */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}