/* ==========================================================================
   ZECONEX — HOMEPAGE STYLESHEET
   Sections, Hero, Layouts, Visuals, and Editorial Typography
   ========================================================================== */

/* --------------------------------------------------------------------------
   Header & Sticky Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(247, 248, 243, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-grey);
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 16px rgba(16, 28, 44, 0.06);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.5rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.footer-logo-img {
  height: 40px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-btn);
  position: relative;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: #E8F3EE;
}

.nav-link.is-active {
  color: var(--color-primary);
  font-weight: 700;
  background-color: #E8F3EE;
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  bottom: 0px;
  left: 20%;
  right: 20%;
  height: 2px;
  background-color: var(--color-lime);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-cta {
  padding: 0.55rem 1.25rem;
  font-size: 0.88rem;
}

/* Mobile Hamburger Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  background: var(--color-white);
  border: 1.5px solid var(--color-grey);
  border-radius: var(--radius-btn);
  cursor: pointer;
  padding: 10px;
  transition: border-color var(--transition-fast);
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
  overflow: hidden;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(2rem, 4vw, 4rem);
}

.hero-eyebrow {
  margin-bottom: var(--space-4);
}

.hero-title {
  margin-bottom: var(--space-4);
  color: var(--color-navy);
}

.hero-highlight {
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.hero-underline {
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 10px;
  z-index: -1;
}

.hero-description {
  font-size: 1.12rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: 560px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.hero-metadata {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  padding-left: 0.25rem;
}

.hero-metadata-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-lime);
  border: 1.5px solid var(--color-primary);
}

.hero-visual {
  position: relative;
}

.hero-visual-card {
  background: var(--color-white);
  border: 1.5px solid var(--color-grey);
  border-radius: var(--radius-card-lg);
  padding: 0.85rem;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hero-visual-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px rgba(18, 59, 50, 0.18), 0 0 0 1px var(--color-lime);
}

.hero-visual-card img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-card-lg) - 6px);
  display: block;
}

.hero-visual-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem 0.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   About Section (#about)
   -------------------------------------------------------------------------- */
.about-section {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-grey);
  border-bottom: 1px solid var(--color-grey);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.about-title {
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.about-lead {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.about-leadership-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-bg);
  border: 1.5px solid var(--color-grey);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-btn);
  margin-bottom: var(--space-6);
}

.leadership-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-lime);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.leadership-info strong {
  display: block;
  font-size: 0.9rem;
  color: var(--color-navy);
}

.leadership-info span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.about-principles {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.principle-card {
  padding: 1.5rem;
  border-radius: var(--radius-card);
  border: 1.5px solid var(--color-grey);
  background: var(--color-bg);
  transition: all var(--transition-fast);
}

.principle-card:hover {
  background: var(--color-white);
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.principle-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.5rem;
}

.principle-num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-lime);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

.principle-title {
  font-size: 1.05rem;
  color: var(--color-navy);
  margin: 0;
}

.principle-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Statistics Section
   -------------------------------------------------------------------------- */
.stats-section {
  background-color: var(--color-bg);
}

.stat-card {
  text-align: center;
  padding: clamp(1.75rem, 3vw, 2.5rem) 1.5rem;
  background: var(--color-white);
  border: 1.5px solid var(--color-grey);
  border-radius: var(--radius-card);
}

.stat-number-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.stat-number {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.stat-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin: 0;
}

.stats-disclaimer {
  text-align: center;
  margin-top: var(--space-8);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   Charging Solutions Section (#solutions)
   -------------------------------------------------------------------------- */
.solutions-section {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-grey);
}

.solution-card {
  display: flex;
  flex-direction: column;
  padding: clamp(1.75rem, 3vw, 2.25rem);
}

.solution-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.solution-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-btn);
  background: #EBF4EE;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid rgba(18, 59, 50, 0.1);
  transition: transform var(--transition-fast);
}

.solution-card:hover .solution-icon-wrap {
  transform: scale(1.08) rotate(3deg);
  background: var(--color-lime);
}

.solution-icon-wrap img, .solution-icon-wrap svg {
  width: 30px;
  height: 30px;
}

.solution-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: #F7F8F3;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-grey);
}

.solution-title {
  margin-bottom: 0.65rem;
  color: var(--color-navy);
}

.solution-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.solution-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Balugaon Flagship Project Section (#project)
   -------------------------------------------------------------------------- */
.project-section {
  background-color: var(--color-primary);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.project-section .section-eyebrow {
  background: rgba(200, 241, 105, 0.15);
  color: var(--color-lime);
  border-color: rgba(200, 241, 105, 0.3);
}

.project-section h2 {
  color: #FFFFFF;
}

.project-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.project-info {
  display: flex;
  flex-direction: column;
}

.project-title {
  margin-bottom: var(--space-4);
}

.project-lead {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(247, 248, 243, 0.88);
  margin-bottom: var(--space-6);
}

.project-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: var(--space-6);
}

.project-spec-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.9);
}

.spec-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--color-lime);
  color: var(--color-navy);
  font-size: 0.8rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.project-cta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.project-visual-card {
  background: #FFFFFF;
  border: 2px solid var(--color-lime);
  border-radius: var(--radius-card-lg);
  padding: 0.85rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.project-visual-card img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  border-radius: calc(var(--radius-card-lg) - 6px);
  display: block;
}

/* --------------------------------------------------------------------------
   Why ZECONEX Section
   -------------------------------------------------------------------------- */
.why-section {
  background-color: var(--color-bg);
}

.why-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.why-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  border: 1.5px solid var(--color-grey);
  border-radius: var(--radius-card);
  background: var(--color-white);
}

.why-step-num {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-lime);
  background: var(--color-primary);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

.why-title {
  margin-bottom: 0.75rem;
  color: var(--color-navy);
  font-size: 1.15rem;
}

.why-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Our Vision for Odisha Section
   -------------------------------------------------------------------------- */
.vision-section {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-grey);
  border-bottom: 1px solid var(--color-grey);
}

.vision-map-wrap {
  margin-top: var(--space-8);
  position: relative;
}

.map-svg-card {
  background: var(--color-bg);
  border: 1.5px solid var(--color-grey);
  border-radius: var(--radius-card-lg);
  padding: clamp(1rem, 3vw, 2rem);
  box-shadow: var(--shadow-card);
}

.map-text-alternative {
  margin-top: 1.5rem;
  background: #FFFFFF;
  border: 1px solid var(--color-grey);
  border-radius: var(--radius-btn);
  padding: 1rem 1.25rem;
  font-size: 0.86rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Project Gallery Section
   -------------------------------------------------------------------------- */
.gallery-section {
  background-color: var(--color-bg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.gallery-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.gallery-media {
  background: var(--color-bg);
  border-bottom: 1.5px solid var(--color-grey);
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  padding: 0;
}

.gallery-preview-media {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-preview-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
  display: block;
}

.gallery-card:hover .gallery-preview-media img {
  transform: scale(1.08);
}

.gallery-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--color-white);
  color: var(--color-primary);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-grey);
}

.gallery-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.gallery-date {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.gallery-title {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--color-navy);
}

.gallery-desc {
  font-size: 0.86rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.gallery-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gallery-view-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
  font-family: var(--font-primary);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* --------------------------------------------------------------------------
   FAQ Section (#faq)
   -------------------------------------------------------------------------- */
.faq-section {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-grey);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--color-bg);
  border: 1.5px solid var(--color-grey);
  border-radius: var(--radius-btn);
  overflow: hidden;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--color-primary);
  background-color: var(--color-white);
}

.faq-trigger {
  width: 100%;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  gap: 1rem;
}

.faq-icon {
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
  line-height: 1;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

.faq-content {
  display: none;
  padding: 0 1.5rem 1.35rem 1.5rem;
  border-top: 1px dashed var(--color-grey);
}

.faq-item.is-open .faq-content {
  display: block;
  animation: fadeInFaq 0.25s ease;
}

@keyframes fadeInFaq {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.faq-content p {
  font-size: 0.92rem;
  line-height: 1.7;
  margin-top: 1rem;
}

/* --------------------------------------------------------------------------
   Partnership CTA Section (#partnership)
   -------------------------------------------------------------------------- */
.partnership-section {
  background-color: var(--color-bg);
}

.partnership-panel {
  background: linear-gradient(135deg, #123B32 0%, #0A241E 100%);
  color: #FFFFFF;
  border-radius: var(--radius-card-lg);
  padding: clamp(2.5rem, 5vw, 4.5rem);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--color-lime);
}

.partnership-content {
  max-width: 780px;
}

.partnership-label {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-lime);
  margin-bottom: var(--space-3);
  display: inline-block;
}

.partnership-title {
  color: #FFFFFF;
  margin-bottom: var(--space-4);
}

.partnership-copy {
  font-size: 1.1rem;
  line-height: 1.8;
  color: rgba(247, 248, 243, 0.88);
  margin-bottom: var(--space-6);
}

.partnership-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Forms Section (General, Partnership, Feedback)
   -------------------------------------------------------------------------- */
.forms-section {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-grey);
}

.form-box-card {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.25rem);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-navy);
  color: #FFFFFF;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: clamp(3.5rem, 6vw, 5rem);
  padding-bottom: 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: clamp(1.5rem, 3.5vw, 3rem);
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand h3 {
  color: #FFFFFF;
  font-size: 1.4rem;
  margin-bottom: 0.35rem;
}

.footer-slogan {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-lime);
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(247, 248, 243, 0.75);
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  font-size: 0.88rem;
  color: rgba(247, 248, 243, 0.75);
}

.footer-links a:hover {
  color: var(--color-lime);
  transform: translateX(4px);
}

.footer-contact p {
  font-size: 0.88rem;
  color: rgba(247, 248, 243, 0.75);
  margin-bottom: 1rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.75rem;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: rgba(247, 248, 243, 0.88);
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-legal-links a {
  color: rgba(247, 248, 243, 0.88);
}

.footer-legal-links a:hover {
  color: var(--color-lime);
}