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

body,
html {
  height: 100%;
  font-family: "Montserrat", sans-serif;
}

:root {
  --bg: #000000;
  --text: #ffffff;
  --subtext: #cccccc;
  --accent: #ffffff;
  --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}


.site-header {
  background: #000000;
  border-bottom: 1px solid #eee;
  font-family: "Montserrat", sans-serif;
  padding: 50px 10px;
  position: sticky;
  top: 0;
  z-index: 999;
}
.header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #ffffff;
  text-decoration: none;
}
.main-nav ul {
  display: flex;
  gap: 2rem;
}
.main-nav a {
  font-size: 1rem;
  letter-spacing: 0.5px;
  color: #ffffff;
  text-decoration: none;
  text-transform: uppercase;
  transition: opacity 0.25s ease;
}
.main-nav a:hover {
  opacity: 0.6;
}
.nav-toggle {
  display: none; /* wird mobil sichtbar */
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.3rem;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: #ffffff;
  display: block;
  transition: 0.3s;
}
@media (max-width: 768px) {

  /* Hamburger sichtbar */
  .nav-toggle {
    display: flex;
  }

  /* Menü versteckt */
  .main-nav {
    position: absolute;
    top: 100%;
    right: 0;
    background: #000000;
    width: 100%;
    border-top: 1px solid #eee;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
    height: 0;
    overflow: hidden;
    transition: height 0.35s ease;
  }

  /* Menü geöffnet */
  .main-nav.open {
    height: 220px; /* genug Platz für die Links */
  }

  .main-nav ul {
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.2rem;
  }

  .main-nav a {
    font-size: 1rem;
    letter-spacing: 0.7px;
  }

  /* Hamburger Animation */
  .nav-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}


.site-footer {
  background-color: #000;
  color: #aaa;
  padding: 60px 20px 40px;
  font-size: 0.9em;
  border-top: 1px solid #222;
  margin-top: 100px;
}
.footer-content {
  max-width: 1000px;
  margin: 0 auto 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 50px;
}
.footer-quote blockquote {
  font-style: italic;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
  font-weight: 300;
  color: var(--subtext);
}
.footer-quote cite {
  display: block;
  margin-top: 10px;
  font-size: 0.9em;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 60px;
  text-align: center;
}
.link-group h4 {
  text-transform: uppercase;
  color: var(--text);
  font-size: 1em;
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.link-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.link-group li {
  margin-bottom: 8px;
}
.link-group a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s;
  text-transform: uppercase;
  font-size: 0.85em;
}
.link-group a:hover {
  color: var(--subtext);
}
.footer-bottom {
  text-align: center;
  padding-top: 25px;
  color: #666;
}
.footer-brand {
  font-size: 1.2em;
  font-weight: bold;
  letter-spacing: 1px;
  color: var(--text);
  text-transform: uppercase;
  margin-bottom: 10px;
}


.rhodium-hero {
  position: relative;
  height: 50vh;
  background: linear-gradient(to bottom, #000, #0a0a0a 60%, #000);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.rhodium-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
}

.rhodium-content h1 {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 3.5em;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 4px;
  text-shadow: 0 1px 3px rgba(255,255,255,0.08);
  animation: fadeInText 2s ease-out forwards;
  opacity: 0;
}

@keyframes fadeInText {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* LUXUSGLANZ-LINIE */
.rhodium-lux-glow {
  position: absolute;
  top: 50%;
  left: -100%;
  width: 200%;
  height: 2px;
  background: linear-gradient(to right, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
  opacity: 0.3;
  animation: glowLine 6s ease-in-out infinite;
}

@keyframes glowLine {
  0% {
    transform: translateX(0) scaleX(0.2);
    opacity: 0;
  }
  45% {
    opacity: 0.2;
  }
  50% {
    transform: translateX(50%) scaleX(1);
    opacity: 0.4;
  }
  100% {
    transform: translateX(100%) scaleX(0.2);
    opacity: 0;
  }
}

.rhodium-gliederung {
  background-color: #0a0a0a;
  color: #fff;
  padding: 80px 20px;
  position: relative;
  overflow: hidden;
  max-width: 700px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-in-out;
  border-top: 1px solid #1a1a1a;
  border-bottom: 1px solid #1a1a1a;
}

.rhodium-gliederung h2 {
  font-size: 1.6em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: 1.5px;
  color: var(--text);
}

.rhodium-gliederung ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.rhodium-gliederung ul li {
  margin-bottom: 20px;
  position: relative;
  padding-left: 20px;
}

.rhodium-gliederung ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
}

.rhodium-gliederung ul li a {
  text-decoration: none;
  color: #fff;
  text-transform: uppercase;
  font-weight: 500;
  font-size: 0.95em;
  letter-spacing: 1px;
  transition: color 0.3s;
}

.rhodium-gliederung ul li a:hover {
  color: var(--subtext);
}


.gliederung {
  background-color: var(--bg);
  border-top: 1px solid #222;
  border-bottom: 1px solid #222;
  padding: 60px 20px;
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}
.gliederung h2 {
  text-transform: uppercase;
  font-size: 2em;
  letter-spacing: 1px;
  margin-bottom: 30px;
  color: var(--text);
  border-bottom: 1px solid #333;
  padding-bottom: 10px;
}
.gliederung ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: block;
}
.gliederung ul li {
  margin-bottom: 15px;
  border-bottom: 1px solid #222;
  padding-bottom: 10px;
}
.gliederung ul li a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95em;
  font-weight: 500;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  display: inline-block;
  transition: transform 0.3s, color 0.3s;
}
.gliederung ul li a:hover {
  color: var(--subtext);
  transform: translateX(5px);
}

.rhodium-intro-section {
  background-color: #000000;
  color: #fff;
  padding: 100px 20px;
  max-width: 900px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-in-out;
  border-left: 2px solid #1a1a1a;
}

.rhodium-intro-section h2 {
  font-size: 2em;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.section-line {
  width: 80px;
  height: 2px;
  background-color: #fff;
  margin: 0 auto 15px;
  opacity: 0.2;
}

.subline {
  text-align: center;
  color: var(--subtext);
  font-style: italic;
  margin-bottom: 40px;
  font-size: 1em;
  letter-spacing: 0.5px;
}

.rhodium-textblock {
  color: #ccc;
  font-size: 1.05em;
  line-height: 1.8;
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.warum-rhodium-section {
  background-color: #0e0e0e;
  color: #fff;
  padding: 100px 20px;
  display: flex;
  justify-content: center;
  border-top: 2px solid #1a1a1a;
  border-bottom: 2px solid #1a1a1a;
}

.why-wrapper {
  display: flex;
  flex-wrap: wrap;
  max-width: 1000px;
  width: 100%;
  gap: 40px;
}

.why-text {
  flex: 1 1 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.why-text h2 {
  font-size: 1.8em;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.why-subline {
  font-style: italic;
  color: var(--subtext);
  margin-bottom: 30px;
}

.why-text p {
  font-size: 1.05em;
  line-height: 1.75;
  color: #ccc;
  margin-bottom: 20px;
}

.why-accent {
  flex: 1 1 300px;
  background-image: url('Purer\ Rhodium\ Ring.JPG');
  background-size: cover;
  background-position: center;
  border: 1px solid #222;
  box-shadow: inset 0 0 20px rgba(255,255,255,0.05);
  min-height: 280px;
  border-radius: 6px;
}


.stim-rhodium-section {
  background-color: #000000;
  color: #fff;
  padding: 100px 20px;
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.stim-content h2 {
  font-size: 1.7em;
  text-transform: uppercase;
  margin-bottom: 30px;
  letter-spacing: 2px;
  text-align: center;
}

.stim-content p {
  font-size: 1.05em;
  line-height: 1.75;
  color: #ccc;
  margin-bottom: 25px;
}

.eco-luxury-highlight {
  border-left: 2px solid var(--accent);
  padding-left: 20px;
  background: rgb(0, 0, 0);
}

.eco-keyword {
  font-weight: bold;
  letter-spacing: 1px;
  color: #fff;
  text-shadow: 0 0 5px rgba(255,255,255,0.15);
}

.stim-quote-block {
  background-color: #111;
  border: 1px solid #222;
  padding: 40px 30px;
  border-radius: 6px;
  position: relative;
}

.stim-quote-block blockquote {
  margin: 0;
  font-style: italic;
  font-size: 1.2em;
  line-height: 1.6;
  color: #eee;
  text-align: center;
}

.stim-quote-block cite {
  display: block;
  margin-top: 20px;
  font-size: 0.9em;
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.rhodium-tech-specs {
  background-color: #000000;
  color: #fff;
  padding: 100px 20px;
  max-width: 900px;
  margin: 0 auto;
  border-top: 2px solid #1a1a1a;
  border-bottom: 2px solid #1a1a1a;
}

.specs-header h2 {
  font-size: 1.7em;
  text-transform: uppercase;
  text-align: center;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.tech-subline {
  text-align: center;
  color: var(--subtext);
  font-style: italic;
  margin-bottom: 40px;
  font-size: 1em;
  letter-spacing: 0.5px;
}

.specs-content {
  font-size: 1.05em;
  line-height: 1.8;
  color: #ccc;
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.spec-value {
  color: #fff;
  font-weight: bold;
  letter-spacing: 1px;
  text-shadow: 0 0 5px rgba(255,255,255,0.15);
  background: linear-gradient(to right, rgba(255,255,255,0.1), transparent);
  padding: 0 4px;
  border-radius: 3px;
}

.rhodium-target-section {
  background-color: #0d0d0d;
  color: #fff;
  padding: 100px 20px;
  max-width: 900px;
  margin: 0 auto;
}

.rhodium-target-section h2 {
  font-size: 1.6em;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 40px;
}

.target-text p {
  font-size: 1.05em;
  line-height: 1.75;
  color: #ccc;
  margin-bottom: 25px;
}

.reflektions-highlight {
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.06), rgba(255,255,255,0.01));
  padding: 25px;
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  box-shadow: 0 0 20px rgba(255,255,255,0.02) inset;
  color: #eee;
  margin: 40px 0;
}

.reflektions-highlight strong {
  color: #fff;
  letter-spacing: 0.5px;
}

.lux-value {
  font-weight: bold;
  font-size: 1.2em;
  text-shadow: 0 0 8px rgba(255,255,255,0.3);
}

.rhodium-future-highlight {
  background-color: #fff;
  color: #111;
  padding: 120px 30px;
  border-top: 3px solid #000;
  border-bottom: 3px solid #000;
}

.rhodium-future-inner {
  max-width: 900px;
  margin: 0 auto;
  background: #fff;
  box-shadow: 0 0 80px rgba(0,0,0,0.05);
  padding: 60px;
  border-radius: 8px;
}

.rhodium-future-highlight h2 {
  font-size: 2em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.future-subline {
  text-align: center;
  font-style: italic;
  color: #555;
  margin-bottom: 40px;
}

.rhodium-future-text p {
  font-size: 1.15em;
  line-height: 1.9;
  margin-bottom: 25px;
}

.rhodium-future-text strong {
  font-weight: 700;
  color: #000;
}

.rhodium-future-text em {
  display: block;
  color: #333;
  font-style: italic;
  margin: 30px 0;
}

.statement-bold {
  font-weight: 800;
  background: linear-gradient(90deg, #000 0%, #444 100%);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
  box-shadow: 0 0 4px rgba(0,0,0,0.1);
}

.final-line {
  font-weight: 600;
  font-size: 1.1em;
  border-left: 4px solid #000;
  padding-left: 16px;
  color: #111;
  margin-top: 40px;
}

/* ---------------------------------------------------- */
/*         RHODIUM FUTURE – PREMIUM DESKTOP DESIGN      */
/* ---------------------------------------------------- */

.rhodium-future-highlight {
  background-color: #fff;
  color: #111;
  padding: 120px 30px;
  border-top: 3px solid #000;
  border-bottom: 3px solid #000;
}

.rhodium-future-inner {
  max-width: 900px;
  margin: 0 auto;
  background: #fff;
  box-shadow: 0 0 80px rgba(0,0,0,0.05);
  padding: 60px;
  border-radius: 8px;
}

.rhodium-future-highlight h2 {
  font-size: 2em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.future-subline {
  text-align: center;
  font-style: italic;
  color: #555;
  margin-bottom: 40px;
}

.rhodium-future-text p {
  font-size: 1.15em;
  line-height: 1.9;
  margin-bottom: 25px;
}

.rhodium-future-text strong {
  font-weight: 700;
  color: #000;
}

.rhodium-future-text em {
  display: block;
  color: #333;
  font-style: italic;
  margin: 30px 0;
}

.statement-bold {
  font-weight: 800;
  background: linear-gradient(90deg, #000 0%, #444 100%);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
  box-shadow: 0 0 4px rgba(0,0,0,0.1);
}

.final-line {
  font-weight: 600;
  font-size: 1.1em;
  border-left: 4px solid #000;
  padding-left: 16px;
  color: #111;
  margin-top: 40px;
}


/* ---------------------------------------------------- */
/*               TABLET OPTIMIZATION (≤ 768px)          */
/* ---------------------------------------------------- */

@media (max-width: 768px) {

  .rhodium-future-highlight {
    padding: 80px 20px;
  }

  .rhodium-future-inner {
    padding: 40px 28px;
    box-shadow: 0 0 40px rgba(0,0,0,0.04);
    border-radius: 8px;
  }

  .rhodium-future-highlight h2 {
    font-size: 1.7em;
    letter-spacing: 1.2px;
    margin-bottom: 15px;
  }

  .future-subline {
    font-size: 0.98em;
    margin-bottom: 30px;
    color: #666;
  }

  .rhodium-future-text p {
    font-size: 1.02em;
    line-height: 1.7;
    margin-bottom: 22px;
  }

  .rhodium-future-text em {
    margin: 24px 0;
  }

  .statement-bold {
    padding: 2px 5px;
    font-size: 0.95em;
  }

  .final-line {
    font-size: 1em;
    margin-top: 30px;
  }
}


/* ---------------------------------------------------- */
/*               MOBILE OPTIMIZATION (≤ 480px)          */
/* ---------------------------------------------------- */

@media (max-width: 480px) {

  .rhodium-future-highlight {
    padding: 60px 15px;
  }

  .rhodium-future-inner {
    padding: 28px 18px;
    box-shadow: 0 0 25px rgba(0,0,0,0.04);
    border-radius: 6px;
  }

  .rhodium-future-highlight h2 {
    font-size: 1.45em;
    margin-bottom: 12px;
    letter-spacing: 1px;
  }

  .future-subline {
    font-size: 0.9em;
    margin-bottom: 25px;
    line-height: 1.5;
  }

  .rhodium-future-text p {
    font-size: 0.95em;
    line-height: 1.6;
    margin-bottom: 18px;
  }

  .rhodium-future-text em {
    margin: 20px 0;
    font-size: 0.92em;
  }

  .statement-bold {
    padding: 1.5px 4px;
    font-size: 0.88em;
    box-shadow: 0 0 2px rgba(0,0,0,0.09);
  }

  .final-line {
    font-size: 0.95em;
    border-left-width: 3px;
    padding-left: 12px;
    margin-top: 25px;
  }
}




.kontakt-section {
  background-color: #0b0b0b;
  padding: 100px 20px;
  max-width: 700px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-in-out;
}

.kontakt-section h2 {
  text-align: center;
  margin-bottom: 15px;
  font-size: 1.6em;
  color: #fff;
  text-transform: uppercase;
}

.kontakt-section p {
  text-align: center;
  color: var(--subtext);
  margin-bottom: 40px;
}

.kontakt-form {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: 8px;
  font-size: 0.9em;
  text-transform: uppercase;
  color: #999;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  background-color: #111;
  border: 1px solid #333;
  padding: 12px 15px;
  color: var(--text);
  font-size: 0.95em;
  border-radius: 3px;
  outline: none;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85em;
  color: #999;
}

.cta-button {
  background-color: var(--accent);
  color: #000;
  border: none;
  padding: 15px 20px;
  font-weight: bold;
  text-transform: uppercase;
  cursor: pointer;
  letter-spacing: 1px;
  font-size: 0.9em;
  transition: background 0.3s;
}

.cta-button:hover {
  background-color: #fff;
}