/* ===================================================================
   SOLSERVA GREENTECH PVT. LTD. - RESPONSIVE & MOBILE STYLESHEET
   This file is loaded LAST in the cascade to guarantee that mobile
   and responsive rules override all desktop section layouts.
   =================================================================== */

/* Prevent horizontal overflow across the entire page */
html, body {
  overflow-x: hidden !important;
  max-width: 100vw !important;
  position: relative;
}

body.nav-open {
  overflow: hidden !important;
  touch-action: none;
}

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

/* ===================================================================
   1. TABLET & COMPACT DESKTOP (<= 1140px)
   =================================================================== */
@media (max-width: 1140px) {
  .trust-strip-inner {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }
  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: 36px !important;
  }
  .benefits-grid,
  .team-grid,
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
  }
  .service-detail-card {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
  }
  .dashboard-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .cred-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }
  .workflow-steps-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 14px !important;
  }
  .epc-hub-grid {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
  }
  .footer-top,
  .footer-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 32px !important;
  }
}

/* ===================================================================
   2. MOBILE NAVIGATION DRAWER ACTIVATION (<= 1024px)
   =================================================================== */
@media (max-width: 1024px) {
  .top-bar {
    display: none !important;
  }

  .nav-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    background: rgba(5, 150, 105, 0.08);
    border: 1px solid rgba(5, 150, 105, 0.22);
    border-radius: 10px;
    color: #047857;
    font-size: 1.55rem;
    line-height: 1;
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .nav-toggle:active {
    background: rgba(5, 150, 105, 0.2);
    transform: scale(0.96);
  }

  .nav-menu {
    position: fixed !important;
    top: 60px !important;
    left: -100% !important;
    width: 100% !important;
    max-width: 100vw !important;
    height: calc(100vh - 60px) !important;
    height: calc(100dvh - 60px) !important;
    background: #ffffff !important;
    flex-direction: column !important;
    padding: 20px 18px 48px !important;
    gap: 6px !important;
    transition: left 0.28s cubic-bezier(0.16, 1, 0.3, 1) !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25) !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    align-items: stretch !important;
    z-index: 9999 !important;
  }

  .nav-menu.active {
    left: 0 !important;
  }

  .nav-item {
    width: 100% !important;
    border-bottom: 1px solid #f1f5f9;
    padding: 2px 0;
  }

  .nav-item:last-child {
    border-bottom: none;
  }

  .nav-link {
    width: 100% !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 12px 14px !important;
    font-size: 1.02rem !important;
    font-weight: 700 !important;
    color: #1e293b !important;
    border-radius: 8px !important;
    transition: background 0.2s, color 0.2s !important;
  }

  .nav-link:hover,
  .nav-link:focus {
    background: rgba(5, 150, 105, 0.08) !important;
    color: #047857 !important;
  }

  .nav-link.active {
    background: rgba(5, 150, 105, 0.12) !important;
    color: #047857 !important;
  }

  .nav-item:hover .dropdown-menu {
    display: none !important;
    visibility: hidden !important;
  }

  .dropdown-menu {
    position: static !important;
    box-shadow: none !important;
    border: none !important;
    border-left: 3px solid #059669 !important;
    background: #f8fafc !important;
    border-radius: 8px !important;
    padding: 8px 10px !important;
    margin: 4px 0 10px 10px !important;
    display: none !important;
    flex-direction: column !important;
    gap: 6px !important;
    opacity: 1 !important;
    transform: none !important;
    width: auto !important;
    min-width: 0 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  .dropdown-menu::before {
    display: none !important;
  }

  .nav-item.mobile-open .dropdown-menu {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  .nav-item.mobile-open .caret {
    transform: rotate(180deg) !important;
    color: #059669 !important;
  }

  .dropdown-item {
    padding: 10px 12px !important;
    border-radius: 6px !important;
  }

  .dropdown-item span.item-title {
    font-size: 0.94rem !important;
  }

  .dropdown-item span.item-desc {
    font-size: 0.76rem !important;
  }
}

/* ===================================================================
   3. TABLETS PORTRAIT & HANDHELDS (<= 768px)
   =================================================================== */
@media (max-width: 768px) {
  .container {
    padding: 0 18px !important;
    max-width: 100% !important;
  }

  /* Section Spacing */
  .hero-section {
    padding: 38px 0 48px !important;
  }

  .benefits-section,
  .dashboard-preview-section,
  .services-section,
  .solutions-section,
  .epc-partners-section,
  .how-it-works-section,
  .calc-section,
  .about-section,
  .credentials-section,
  .faq-section,
  .contact-section {
    padding: 48px 0 !important;
  }

  .section-tag {
    font-size: 0.72rem !important;
    padding: 4px 12px !important;
    margin-bottom: 10px !important;
  }

  .section-title {
    font-size: clamp(1.72rem, 5.8vw, 2.15rem) !important;
    line-height: 1.22 !important;
    margin-bottom: 12px !important;
    word-break: break-word;
  }

  .section-subtitle {
    font-size: 0.95rem !important;
    line-height: 1.55 !important;
    margin-bottom: 28px !important;
  }

  /* Hero Adjustments */
  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: 30px !important;
  }

  .hero-title {
    font-size: clamp(1.8rem, 6.8vw, 2.35rem) !important;
    line-height: 1.18 !important;
    margin-bottom: 16px !important;
    word-break: break-word;
  }

  .hero-description {
    font-size: 0.96rem !important;
    line-height: 1.56 !important;
    margin-bottom: 24px !important;
  }

  .hero-ctas {
    flex-direction: column !important;
    gap: 12px !important;
    margin-bottom: 26px !important;
    width: 100% !important;
  }

  .hero-ctas .btn {
    width: 100% !important;
    justify-content: center !important;
    padding: 12px 18px !important;
    font-size: 0.95rem !important;
  }

  .hero-stats-bar {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    padding-top: 20px !important;
  }

  .hero-stat-item {
    display: flex !important;
    align-items: baseline !important;
    gap: 12px !important;
    justify-content: flex-start !important;
    background: rgba(255, 255, 255, 0.06) !important;
    padding: 10px 14px !important;
    border-radius: 10px !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
  }

  .hero-stat-item h4 {
    font-size: 1.45rem !important;
    margin-bottom: 0 !important;
    min-width: 95px !important;
    flex-shrink: 0 !important;
  }

  .hero-stat-item p {
    font-size: 0.82rem !important;
    margin: 0 !important;
  }

  .hero-visual-card {
    border-radius: 18px !important;
  }

  .hero-img {
    height: 280px !important;
  }

  /* Grids to single column */
  .benefits-grid,
  .team-grid,
  .solutions-grid,
  .contact-layout,
  .form-grid-2,
  .mission-vision-grid,
  .srv-inclusions-list,
  .trust-strip-inner,
  .partner-models-grid {
    grid-template-columns: 1fr !important;
  }

  .workflow-steps-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 12px !important;
  }

  .dash-stats-row {
    grid-template-columns: 1fr 1fr !important;
    gap: 10px !important;
  }

  /* Card Paddings */
  .service-detail-card,
  .contact-info-panel,
  .contact-form-card,
  .about-intro-box,
  .partner-steps-card {
    padding: 24px 18px !important;
    border-radius: 18px !important;
  }

  /* Calculator Mobile */
  .calculator-wrapper {
    grid-template-columns: 1fr !important;
    border-radius: 18px !important;
  }

  .calc-inputs-panel,
  .calc-results-panel {
    padding: 24px 18px !important;
  }

  .calc-cards-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 10px !important;
  }

  .result-metric-card.subsidy-card {
    grid-column: span 2 !important;
  }

  .lifetime-banner {
    flex-direction: column !important;
    text-align: center !important;
    gap: 8px !important;
    padding: 14px 12px !important;
  }

  .lifetime-amount {
    font-size: 1.4rem !important;
  }

  .calc-results-panel .btn {
    width: 100% !important;
    justify-content: center !important;
  }

  /* Dashboard Mockup Mobile */
  .dashboard-mockup-wrapper {
    padding: 18px 14px !important;
    border-radius: 18px !important;
  }

  .dashboard-top-nav {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }

  .dashboard-tabs {
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    padding: 4px !important;
    display: flex !important;
  }

  .dashboard-tabs::-webkit-scrollbar {
    display: none !important;
  }

  .dash-tab-btn {
    flex: 1 0 auto !important;
    padding: 7px 12px !important;
    font-size: 0.8rem !important;
    white-space: nowrap !important;
    text-align: center !important;
  }

  .svg-chart-container {
    height: 180px !important;
  }

  .svg-power-curve {
    height: 140px !important;
  }

  /* Footer Mobile */
  .footer-top,
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
  }

  .footer-bottom {
    flex-direction: column !important;
    text-align: center !important;
    gap: 12px !important;
  }

  .footer-legal-links {
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
  }

  /* Floating Buttons */
  .floating-whatsapp {
    bottom: 20px !important;
    right: 18px !important;
    width: 50px !important;
    height: 50px !important;
  }

  .floating-whatsapp svg {
    width: 26px !important;
    height: 26px !important;
  }

  .back-to-top {
    bottom: 78px !important;
    right: 22px !important;
    width: 38px !important;
    height: 38px !important;
  }
}

/* ===================================================================
   4. STANDARD SMARTPHONES (<= 540px)
   =================================================================== */
@media (max-width: 540px) {
  .container {
    padding: 0 16px !important;
  }

  /* Header Branding */
  .main-header .container.navbar {
    padding: 0 14px !important;
  }

  .brand-logo-img {
    height: 38px !important;
  }

  .brand-title {
    font-size: 1.08rem !important;
  }

  .brand-tag-pill {
    display: none !important;
  }

  /* Hero Section */
  .hero-section {
    padding: 30px 0 40px !important;
  }

  .hero-badge-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 6px !important;
    margin-bottom: 12px !important;
  }

  .hero-badge {
    font-size: 0.72rem !important;
    padding: 4px 10px !important;
    max-width: 100% !important;
    white-space: normal !important;
    word-break: break-word !important;
  }

  .hero-title {
    font-size: clamp(1.6rem, 7.2vw, 1.95rem) !important;
    letter-spacing: -0.3px !important;
    line-height: 1.2 !important;
  }

  .hero-description {
    font-size: 0.92rem !important;
    line-height: 1.52 !important;
    margin-bottom: 20px !important;
  }

  .hero-img {
    height: 220px !important;
  }

  .floating-pill-card {
    display: none !important;
  }

  /* Calculator Mobile */
  .calc-property-types {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .calc-cards-grid {
    grid-template-columns: 1fr !important;
  }

  .result-metric-card.subsidy-card {
    grid-column: span 1 !important;
  }

  /* Input fields: 16px font-size prevents iOS Safari auto-zoom */
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px !important;
    padding: 12px 14px !important;
  }

  /* Steps and Cards */
  .workflow-steps-grid {
    grid-template-columns: 1fr !important;
  }

  .workflow-step-card {
    display: flex !important;
    align-items: center !important;
    text-align: left !important;
    gap: 14px !important;
    padding: 16px 14px !important;
  }

  .wf-step-badge {
    margin: 0 !important;
    flex-shrink: 0 !important;
  }

  .cred-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  /* Modal bottom-sheet style on phone screens */
  .modal-overlay {
    padding: 0 !important;
    align-items: flex-end !important;
  }

  .modal-dialog {
    max-height: 94vh !important;
    border-radius: 20px 20px 0 0 !important;
    width: 100% !important;
  }

  .modal-header {
    padding: 16px 18px !important;
  }

  .modal-title {
    font-size: 1.15rem !important;
  }

  .modal-body {
    padding: 18px 16px 28px !important;
  }

  /* Page Banners on Subpages */
  .page-banner {
    padding: 38px 16px 28px !important;
  }

  .page-banner h1 {
    font-size: 1.65rem !important;
    line-height: 1.25 !important;
  }

  .page-banner p {
    font-size: 0.9rem !important;
  }
}

/* ===================================================================
   5. ULTRA-COMPACT SMARTPHONES (<= 380px)
   =================================================================== */
@media (max-width: 380px) {
  .brand-title {
    font-size: 1rem !important;
  }

  .hero-title {
    font-size: 1.5rem !important;
  }

  .section-title {
    font-size: 1.5rem !important;
  }

  .calc-inputs-panel,
  .calc-results-panel,
  .service-detail-card,
  .contact-form-card,
  .contact-info-panel {
    padding: 16px 12px !important;
  }

  .dash-stats-row {
    grid-template-columns: 1fr !important;
  }
}