@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700&family=Nunito:wght@400;600&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css');

:root {
  --color-primary: #2c6e49;
  --color-secondary: #f4f1de;
  --color-accent: #4e6f59;
  --color-contrast: #3d403f;
  --color-soft: #ececec;
  --color-highlight: #afcfa6;
  --color-sky: #d7e9f6;
  --font-primary: 'Montserrat', sans-serif;
  --font-body: 'Nunito', sans-serif;
  --space-xs: 0.35rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.08);
  --transition-fast: 0.3s ease;
  --max-width: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: linear-gradient(180deg, #f9fbf9 0%, #f1f5f2 100%);
  color: var(--color-contrast);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
  border-radius: var(--radius-md);
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-primary);
  color: var(--color-contrast);
  margin: 0 0 var(--space-md);
  line-height: 1.2;
}

p {
  margin: 0 0 var(--space-md);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.topbar {
  background: #1f3b2c;
  color: #e5f0e8;
  padding: var(--space-xs) var(--space-md);
  text-align: center;
  font-size: 0.9rem;
}

header {
  position: relative;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-tagline {
  font-size: 0.95rem;
  color: #506154;
}

.header-links {
  display: flex;
  gap: var(--space-sm);
  margin-left: auto;
  align-items: center;
}

.header-cta {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.burger {
  margin-left: auto;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid #d1d9d2;
  display: grid;
  place-items: center;
  background: #fff;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  position: relative;
  z-index: 10000;
}

@media (min-width: 769px) {
  .burger {
    display: none;
  }
}

.burger span,
.burger span::before,
.burger span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-contrast);
  position: relative;
  transition: transform var(--transition-fast);
}

.burger span::before,
.burger span::after {
  content: '';
  position: absolute;
  left: 0;
}

.burger span::before {
  top: -6px;
}

.burger span::after {
  top: 6px;
}

.burger.active span {
  background: transparent;
}

.burger.active span::before {
  transform: translateY(6px) rotate(45deg);
}

.burger.active span::after {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-panel {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  display: flex;
  justify-content: flex-end;
  z-index: 9999;
}

.nav-panel.open {
  opacity: 1;
  pointer-events: all;
}

@media (min-width: 769px) {
  .nav-panel {
    display: none;
  }
}

.nav-sheet {
  width: min(320px, 80%);
  background: #fff;
  box-shadow: var(--shadow-soft);
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
  z-index: 10000;
}

.nav-sheet a {
  padding: var(--space-sm) 0;
  font-weight: 600;
  color: var(--color-contrast);
}

.hero {
  position: relative;
  padding: var(--space-xl) 0;
  display: grid;
  gap: var(--space-lg);
}

.hero-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.badge {
  display: inline-flex;
  gap: var(--space-xs);
  align-items: center;
  background: var(--color-sky);
  color: #2f4b3b;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-weight: 600;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  font-weight: 700;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-contrast);
  color: var(--color-contrast);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.ghost-btn:hover {
  background: var(--color-contrast);
  color: #fff;
}

.media-card {
  background: #fff;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: var(--space-md);
}

.pill {
  padding: var(--space-xs) var(--space-sm);
  border-radius: 999px;
  background: var(--color-secondary);
  display: inline-flex;
  gap: var(--space-xs);
  align-items: center;
}

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

.grid.columns-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid.columns-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: var(--space-md);
  position: relative;
  overflow: hidden;
}

.card small {
  color: #56645a;
}

.icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-sky);
  color: var(--color-contrast);
  font-size: 1.2rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.stat {
  background: #fff;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.stat strong {
  font-size: 1.8rem;
  display: block;
  margin-bottom: var(--space-xs);
}

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

.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.section-header p {
  max-width: 720px;
}

.timeline {
  position: relative;
  padding-left: var(--space-lg);
  display: grid;
  gap: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  width: 2px;
  height: 100%;
  background: var(--color-highlight);
}

.timeline-item {
  position: relative;
  padding-left: var(--space-md);
}

.timeline-item::before {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  left: -6px;
  top: 6px;
  box-shadow: 0 0 0 6px rgba(76, 139, 108, 0.15);
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  align-items: center;
}

.feature-visual {
  position: relative;
  background: linear-gradient(135deg, #d8e6dc, #e7f1e8);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.layer-stack {
  display: grid;
  gap: var(--space-md);
}

.layer {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-soft);
  border-left: 4px solid var(--color-primary);
}

.map {
  width: 100%;
  height: 320px;
  border: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

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

.form-row {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.form label {
  display: grid;
  gap: var(--space-xs);
  font-weight: 600;
  color: var(--color-contrast);
}

.form input,
.form textarea,
.form select {
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  border: 1px solid #cfd8d3;
  font-family: inherit;
  font-size: 1rem;
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.checkbox {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.calculator {
  background: #fff;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: var(--space-md);
}

.result-box {
  background: var(--color-secondary);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 700;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--space-sm);
  border-bottom: 1px solid #e2e7e3;
  text-align: left;
}

.footer {
  background: #223428;
  color: #e6ede7;
  padding: var(--space-lg) 0;
  margin-top: auto;
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
  align-items: center;
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer a {
  color: #e6ede7;
  font-weight: 600;
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.energy-bars {
  display: grid;
  gap: var(--space-sm);
}

.bar {
  height: 12px;
  background: #dbe7df;
  border-radius: 999px;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  background: var(--color-primary);
}
.bar.w45 span { width: 45%; }
.bar.w62 span { width: 62%; }
.bar.w70 span { width: 70%; }

.popup {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  background: #fff;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  max-width: 320px;
  display: none;
  z-index: 20;
}

.popup.show {
  display: block;
}

.map-card {
  background: #fff;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.product-card {
  display: grid;
  gap: var(--space-sm);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: #2f4b3b;
  background: #e3f0e4;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.badges-row {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.timeline-visual {
  background: linear-gradient(120deg, #d9e7dc, #edf4ed);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
}

.diagram {
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 30% 30%, #d7e9f6, #eaf3ec 55%);
  position: relative;
  overflow: hidden;
}

.diagram-layer {
  position: absolute;
  inset: 10%;
  border-radius: var(--radius-md);
  border: 2px solid rgba(60, 90, 70, 0.3);
  animation: float 8s ease-in-out infinite;
}

.diagram-layer:nth-child(2) {
  inset: 18%;
  animation-delay: 1s;
}

.diagram-layer:nth-child(3) {
  inset: 26%;
  animation-delay: 2s;
}

.diagram-layer:nth-child(4) {
  inset: 34%;
  animation-delay: 3s;
}

.diagram-layer:nth-child(5) {
  inset: 42%;
  animation-delay: 4s;
}

.diagram-layer:nth-child(6) {
  inset: 50%;
  animation-delay: 5s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.pill.accent {
  background: var(--color-highlight);
  color: #1f3b2c;
}

.error-page {
  text-align: center;
  padding: var(--space-xl) 0;
  display: grid;
  gap: var(--space-md);
}

.hidden {
  transform: translateY(-100%);
}

.desktop-nav {
  display: none;
  background: rgba(255, 255, 255, 0.95);
  border-top: 1px solid #e2e7e3;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  padding: var(--space-md) 0;
  position: relative;
  z-index: 8;
}

.desktop-nav-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.desktop-nav a {
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  color: var(--color-contrast);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.desktop-nav a:hover {
  background: var(--color-sky);
  color: var(--color-accent);
}

@media (min-width: 769px) {
  .desktop-nav {
    display: block;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-wrap: wrap;
  }
  .header-links {
    width: 100%;
    justify-content: flex-start;
    order: 2;
  }
  .burger {
    order: 3;
  }
  .hero {
    padding: var(--space-lg) 0;
  }
}