/*
Theme Name: NEXTERGY
Theme URI: https://nextergy.de
Author: NEXTERGY by Bavaria Automation
Author URI: https://nextergy.de
Description: Premium WordPress Theme für NEXTERGY – Next-Level Energy Management. Photovoltaik, Batteriespeicher & Smart Home.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: nextergy
Tags: business, energy, solar, smarthome, responsive, dark
*/

/* =========================================
   CSS TOKENS
   ========================================= */
:root {
  --cyan:      #00B87A;
  --cyan-bright:#00E5A0;
  --dark:      #1A1A1A;
  --darker:    #111111;
  --iron:      #535E65;
  --white:     #FFFFFF;
  --gray-bg:   #F5F6F8;
  --gray-light:#E2E8F0;
  --beige:     #C2A878;
  --border:    #2A2A2A;

  --font-main: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --radius:    8px;
  --transition:0.25s ease;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.16);
}

/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1,h2,h3,h4,h5 { line-height: 1.15; font-weight: 800; color: var(--dark); letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; font-weight: 700; }
p  { margin-bottom: 1rem; color: var(--iron); }
p:last-child { margin-bottom: 0; }

.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

/* =========================================
   LAYOUT
   ========================================= */
.container      { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container--wide{ max-width: 1440px; margin: 0 auto; padding: 0 24px; }
.section        { padding: 96px 0; }
.section--dark  { background: var(--darker); }
.section--gray  { background: var(--gray-bg); }
.section--iron  { background: var(--iron); }

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--cyan);
  color: var(--dark);
  box-shadow: 0 0 24px rgba(0,184,122,0.3);
}
.btn--primary:hover {
  background: var(--cyan-bright);
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0,229,160,0.4);
}
.btn--outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn--outline-white:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}
.btn--outline-dark {
  background: transparent;
  color: var(--dark);
  border-color: var(--dark);
}
.btn--outline-dark:hover {
  background: var(--dark);
  color: var(--white);
  transform: translateY(-2px);
}

/* =========================================
   HEADER / NAV
   ========================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
  background: transparent;
}
.site-header.scrolled {
  background: rgba(17,17,17,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-logo img {
  height: 36px;
  width: auto;
}
.site-logo-text {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--white);
}
.site-logo-text span { color: var(--cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  background: var(--cyan);
  color: var(--dark) !important;
  padding: 9px 20px;
  border-radius: 6px;
  font-weight: 700 !important;
  font-size: 0.78rem !important;
  letter-spacing: 0.06em;
  transition: all var(--transition);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--cyan-bright) !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
  border-radius: 2px;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* =========================================
   HERO
   ========================================= */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, #0A0A0A 0%, #1A1A1A 50%, #0D2018 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0,229,160,0.1) 0%, transparent 65%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,184,122,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 80px 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,229,160,0.1);
  border: 1px solid rgba(0,229,160,0.25);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 28px;
}
.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.6; transform:scale(0.8); }
}
.hero-badge span {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}
.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: normal;
  color: var(--cyan);
}
.hero-lead {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--cyan);
  letter-spacing: -0.02em;
}
.hero-stat-label {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero-visual {
  position: relative;
}
.hero-image-wrap {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 0 80px rgba(0,184,122,0.1);
  aspect-ratio: 4/3;
  background: var(--border);
}
.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}
.hero-image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(17,17,17,0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0,229,160,0.2);
  border-radius: 10px;
  padding: 14px 20px;
}
.hero-image-badge-title {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 2px;
}
.hero-image-badge-sub {
  font-size: 0.65rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* =========================================
   BRANDS / PARTNER LOGOS
   ========================================= */
.brands {
  background: var(--darker);
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.brands-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.brand-item {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
  transition: color var(--transition);
}
.brand-item:hover { color: rgba(255,255,255,0.6); }
.brands-label {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-right: 16px;
}

/* =========================================
   SERVICES
   ========================================= */
.services-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 12px;
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(0,184,122,0.08);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.6rem;
  transition: background var(--transition);
}
.service-card:hover .service-icon { background: rgba(0,184,122,0.15); }
.service-card h3 { margin-bottom: 12px; color: var(--dark); }
.service-card p  { font-size: 0.92rem; }
.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan);
  transition: gap var(--transition);
}
.service-card:hover .service-card-link { gap: 10px; }

/* =========================================
   SHOWROOM SECTION
   ========================================= */
.showroom {
  background: var(--darker);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}
.showroom::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0,184,122,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.showroom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.showroom-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  height: 480px;
}
.showroom-img {
  border-radius: 10px;
  overflow: hidden;
  background: var(--border);
}
.showroom-img:first-child { grid-row: span 2; }
.showroom-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: opacity var(--transition), transform 0.4s ease;
}
.showroom-img:hover img { opacity: 1; transform: scale(1.03); }
.showroom-content .section-label { color: var(--cyan); display: block; }
.showroom-content h2 { color: var(--white); margin-bottom: 20px; }
.showroom-content p  { color: rgba(255,255,255,0.6); margin-bottom: 16px; }
.showroom-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 32px 0 40px;
}
.showroom-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.showroom-feature-icon {
  width: 28px;
  height: 28px;
  background: rgba(0,184,122,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--cyan);
  margin-top: 2px;
}
.showroom-feature-text strong {
  display: block;
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 2px;
}
.showroom-feature-text span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}
.showroom-address {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 20px 24px;
  margin-top: 32px;
}
.showroom-address p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin: 0;
}
.showroom-address strong { color: var(--white); }

/* =========================================
   ABOUT / TEAM
   ========================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-wrap img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: 12px;
}
.about-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--dark);
  border: 1px solid rgba(0,184,122,0.3);
  border-radius: 10px;
  padding: 18px 22px;
  text-align: center;
}
.about-badge-number {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
}
.about-badge-text {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
  display: block;
}
.about-content h2 { margin-bottom: 20px; }
.about-content p  { margin-bottom: 16px; }
.about-certs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0 36px;
}
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,184,122,0.08);
  border: 1px solid rgba(0,184,122,0.2);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

/* =========================================
   TESTIMONIALS
   ========================================= */
.testimonials { background: var(--darker); }
.testimonials-header { text-align: center; margin-bottom: 64px; }
.testimonials-header h2 { color: var(--white); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 36px 28px;
  transition: all var(--transition);
}
.testimonial-card:hover {
  border-color: rgba(0,184,122,0.2);
  transform: translateY(-4px);
}
.testimonial-quote {
  font-size: 3rem;
  line-height: 1;
  color: var(--cyan);
  font-weight: 900;
  margin-bottom: 16px;
  opacity: 0.6;
}
.testimonial-text {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin-bottom: 24px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--border);
  overflow: hidden;
  flex-shrink: 0;
}
.author-name {
  display: block;
  font-weight: 700;
  color: var(--white);
  font-size: 0.88rem;
}
.author-role {
  display: block;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  margin-top: 2px;
}

/* =========================================
   CTA SECTION
   ========================================= */
.cta-section {
  background: linear-gradient(135deg, var(--dark) 0%, #0D2018 100%);
  padding: 96px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,229,160,0.08) 0%, transparent 65%);
}
.cta-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}
.cta-content h2 { color: var(--white); margin-bottom: 20px; }
.cta-content p  { color: rgba(255,255,255,0.6); font-size: 1.05rem; margin-bottom: 40px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-contact-info {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
}
.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.5);
  font-size: 0.88rem;
}
.cta-contact-item a {
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}
.cta-contact-item a:hover { color: var(--cyan); }

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
  background: #0A0A0A;
  border-top: 1px solid var(--border);
  padding: 72px 0 32px;
  color: rgba(255,255,255,0.5);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
.footer-brand-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 260px;
  margin-top: 16px;
  color: rgba(255,255,255,0.35);
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}
.social-link {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(255,255,255,0.3);
  transition: all var(--transition);
}
.social-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.35);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--cyan); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a {
  color: rgba(255,255,255,0.25);
  transition: color var(--transition);
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.6); }

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(24px); }
  to   { opacity:1; transform:none; }
}
.fade-up { animation: fadeUp 0.5s ease both; }
.fade-up-delay-1 { animation-delay: 0.1s; }
.fade-up-delay-2 { animation-delay: 0.2s; }
.fade-up-delay-3 { animation-delay: 0.3s; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .services-grid     { grid-template-columns: repeat(2,1fr); }
  .testimonials-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid       { grid-template-columns: 1fr 1fr; }
  .hero-grid         { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual       { display: none; }
  .showroom-grid     { grid-template-columns: 1fr; gap: 48px; }
  .about-grid        { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .services-grid     { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid       { grid-template-columns: 1fr; }
  .hero-stats        { gap: 24px; flex-wrap: wrap; }
  .nav-links         { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--darker);
    justify-content: center;
    align-items: center;
    gap: 32px;
  }
  .nav-links.open a { font-size: 1.4rem; }
  .nav-toggle { display: flex; }
  .showroom-images { height: 300px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

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