:root {
  --c-mint: #6DC3BB;
  --c-ink: #393D7E;
  --c-indigo: #5459AC;
  --c-rose: #F2AEBB;
  --c-surface: #ffffff;
  --c-text: #1d2244;
  --space-xs: 0.5rem;
  --space-sm: 0.875rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --radius-sm: 0.45rem;
  --radius-md: 0.8rem;
  --radius-lg: 1.2rem;
  --shadow-soft: 0 10px 28px rgba(57, 61, 126, 0.09);
  --shadow-hover: 0 14px 32px rgba(57, 61, 126, 0.16);
  --font-main: Inter, Segoe UI, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-main);
  background: radial-gradient(circle at 10% 0%, #f7fbff, #eef2ff 40%, #eef8f7 100%);
  color: var(--c-text);
  line-height: 1.62;
}

a {
  color: var(--c-indigo);
  text-decoration: none;
}

.container {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(57, 61, 126, 0.12);
}

.header-grid {
  display: grid;
  grid-template-columns: 1fr auto 2fr;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-sm) 0;
}

.brand-square {
  display: block;
}

.brand-square img {
  width: 4rem;
  position: relative;
  z-index: 20;
}

.brand-square img {
  display: inline-block;
  transform: rotate(-5deg);
  transition: transform var(--transition-normal);
}

.brand-square:hover img {
  transform: rotate(0);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .brand-square img {
    width: 3rem;
    position: relative;
    z-index: 20;
  }
}

@media (max-width: 768px) {
  .brand-square img {
    width: 3rem;
    position: relative;
    z-index: 20;
  }
}

@media (max-width: 576px) {
  .brand-square img {
    width: 2rem;
    position: relative;
    z-index: 20;
  }
}

@media (max-width: 400px) {
  .brand-square img {
    width: 2rem;
    position: relative;
    z-index: 20;
  }
}

.main-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xs);
}

.main-nav a {
  background: var(--c-surface);
  border: 1px solid rgba(57, 61, 126, 0.22);
  padding: 0.65rem 0.7rem;
  border-radius: var(--radius-sm);
  text-align: center;
  transition: transform .28s ease, background-color .28s ease, box-shadow .28s ease;
}

.main-nav a:hover,
.main-nav a.active {
  background: #dff5f2;
  color: var(--c-ink);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.menu-toggle {
  display: none;
  border: 1px solid rgba(57, 61, 126, 0.2);
  background: var(--c-surface);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
}

main {
  padding: var(--space-xl) 0;
}

.hero-collage {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.hero-card,
.panel,
.testimonial-card,
.timeline-box,
.page-intro,
.image-block,
.unique-block {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(57, 61, 126, 0.06);
}

.hero-card.primary {
  grid-row: span 2;
}

.hero-card.image-fragment {
  padding: 0;
  overflow: hidden;
}

.hero-card.image-fragment img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-card.quote {
  background: linear-gradient(140deg, #ffe4ea, #fff5f7);
}

.hero-card.stat i {
  font-size: 1.4rem;
  color: var(--c-indigo);
}

.tag {
  display: inline-block;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  background: #eaf7f5;
  color: var(--c-ink);
  padding: .3rem .55rem;
  border-radius: 999px;
}

.hero-actions,
.cookie-actions {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.btn-solid,
.btn-outline {
  display: inline-block;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: .72rem 1rem;
  transition: .3s ease;
  cursor: pointer;
  font-size: .95rem;
}

.btn-solid {
  background: var(--c-indigo);
  color: #fff;
}

.btn-outline {
  background: #fff;
  border-color: rgba(57, 61, 126, .25);
  color: var(--c-ink);
}

.btn-solid:hover,
.btn-outline:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.section-head {
  margin-bottom: var(--space-md);
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.panel:hover,
.testimonial-card:hover,
.timeline-box:hover,
.unique-block:hover {
  transform: translateY(-4px);
  transition: .28s ease;
}

.split-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.inner-main {
  display: grid;
  gap: var(--space-lg);
}

.map-contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  align-items: stretch;
}

.map-contact iframe,
.split-grid iframe {
  width: 100%;
  min-height: 320px;
  border: 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.image-block img {
  width: 100%;
  border-radius: var(--radius-sm);
  display: block;
}

.testimonial-card span {
  font-weight: 700;
  color: var(--c-ink);
}

.check-list {
  margin: 0;
  padding-left: 1.1rem;
}

.text-link {
  font-weight: 700;
}

.unique-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  background: linear-gradient(155deg, #ffffff, #f2fbfa);
}

.faq-grid {
  grid-template-columns: 1fr;
}

.faq-grid details {
  border: 1px solid rgba(57, 61, 126, .18);
  border-radius: var(--radius-sm);
  padding: .8rem .9rem;
  background: #fff;
  margin-bottom: .6rem;
}

.faq-grid summary {
  cursor: pointer;
  font-weight: 600;
}

.energy-widget input[type="range"] {
  width: 100%;
  accent-color: var(--c-indigo);
}

.energy-output {
  margin: .8rem 0 0;
}

.tabs {
  display: flex;
  gap: .5rem;
  margin-bottom: .8rem;
  flex-wrap: wrap;
}

.tab-btn {
  border: 1px solid rgba(57, 61, 126, .2);
  background: #fff;
  padding: .55rem .8rem;
  border-radius: .5rem;
  cursor: pointer;
}

.tab-btn.active {
  background: #dff5f2;
  color: var(--c-ink);
}

.tab-panel {
  display: none;
  padding: .8rem;
  border: 1px dashed rgba(57, 61, 126, .25);
  border-radius: .5rem;
  background: #fff;
}

.tab-panel.active {
  display: block;
}

.process-steps ol {
  margin: 0;
  padding-left: 1.1rem;
}

.review-note,
.contact-facts {
  grid-template-columns: 1fr 1fr;
}

.site-footer {
  background: #eef1ff;
  border-top: 1px solid rgba(57, 61, 126, 0.14);
  padding: var(--space-lg) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-md);
}

.footer-links {
  display: grid;
  gap: 0.35rem;
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  background: #fff;
  border: 1px solid rgba(57, 61, 126, .18);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  padding: var(--space-md);
  display: none;
  z-index: 140;
}

.cookie-banner.show {
  display: block;
  animation: slideUp .35s ease;
}

#cookie-dialog {
  border: 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  width: min(460px, 92vw);
}

.cookie-form {
  display: grid;
  gap: var(--space-sm);
}

#contact-form {
  display: grid;
  gap: 0.45rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(57, 61, 126, .3);
  border-radius: var(--radius-sm);
  padding: .7rem;
  font: inherit;
}

.check-row {
  display: flex;
  gap: .55rem;
  align-items: flex-start;
}

.check-row input {
  width: auto;
  margin-top: .2rem;
}

.error-text {
  min-height: 1.05rem;
  margin: 0;
  color: #bc213d;
  font-size: .86rem;
}

.legal-page .panel {
  margin-bottom: var(--space-sm);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s ease, transform .55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

@media (max-width: 990px) {
  .header-grid {
    grid-template-columns: 1fr auto;
  }

  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, 1fr);
    display: none;
  }

  .main-nav.open {
    display: grid;
  }

  .hero-collage,
  .three-col,
  .split-grid,
  .map-contact,
  .footer-grid,
  .unique-block,
  .review-note,
  .contact-facts {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(1180px, calc(100% - 1.2rem));
  }

  .hero-card,
  .panel,
  .testimonial-card,
  .timeline-box,
  .page-intro,
  .unique-block {
    padding: 1rem;
  }
}