/* ==========================================================================
   NAAPSS — Clean White-Themed Under Construction Stylesheet
   Crafted with minimalism, ultra-crisp typography & modern aesthetics.
   ========================================================================== */

:root {
  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Colors — Pristine White & Solar Accents */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-elevated: #f1f5f9;

  --text-primary: #0f172a;       /* Deep slate black */
  --text-secondary: #475569;     /* Readable charcoal */
  --text-muted: #94a3b8;         /* Subtle gray */

  /* Solar Energy Brand Accents */
  --solar-amber: #f59e0b;
  --solar-gold: #eab308;
  --solar-dark-gold: #d97706;
  --solar-light: #fffbeb;
  --solar-border: #fde68a;

  /* WhatsApp & Social Specifics */
  --whatsapp-color: #25D366;
  --whatsapp-bg: #f0fdf4;
  --whatsapp-border: #bbf7d0;

  --email-color: #0284c7;
  --email-bg: #f0f9ff;
  --email-border: #bae6fd;

  --insta-color: #e1306c;
  --insta-bg: #fdf2f8;
  --insta-border: #fbcfe8;

  /* Borders & Shadows */
  --border-subtle: #e2e8f0;
  --border-focus: #cbd5e1;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 18px -4px rgba(15, 23, 42, 0.05), 0 2px 6px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 14px 34px -6px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 20px 40px -8px rgba(245, 158, 11, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.04);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Screen Reader Only Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Ambient Subtle Background Lighting */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
  transition: all 0.5s ease;
}

.glow-top-right {
  top: -100px;
  right: -100px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(253, 230, 138, 0.6) 0%, rgba(254, 243, 199, 0.2) 60%, transparent 80%);
}

.glow-bottom-left {
  bottom: -150px;
  left: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(241, 245, 249, 0.9) 0%, rgba(226, 232, 240, 0.4) 60%, transparent 80%);
}

/* Subtle Geometric Solar Grid in Background */
.solar-grid-bg {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(226, 232, 240, 0.35) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(226, 232, 240, 0.35) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 80%);
  pointer-events: none;
  z-index: 1;
}

/* Overall Page Layout Wrapper */
.page-wrapper {
  position: relative;
  z-index: 2;
  max-width: 1040px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 2.5rem 1.5rem 2rem 1.5rem;
}

/* ==========================================================================
   Header Component
   ========================================================================== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 64px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.06));
  transition: transform var(--transition-smooth);
}

.brand:hover .brand-logo-img {
  transform: scale(1.06);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--solar-dark-gold);
  margin-top: 2px;
}

/* Status Pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 1rem;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--solar-amber);
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(245, 158, 11, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
  }
}

/* ==========================================================================
   Hero Main Section
   ========================================================================== */
.hero-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3.5rem 0 2rem 0;
  max-width: 820px;
  margin: 0 auto;
}

.badge-category {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: var(--solar-light);
  border: 1px solid var(--solar-border);
  color: var(--solar-dark-gold);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-full);
  margin-bottom: 1.8rem;
}

.badge-icon {
  width: 15px;
  height: 15px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.3rem;
}

.highlight-text {
  background: linear-gradient(135deg, #d97706 0%, #b45309 60%, #92400e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.18rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 660px;
  margin-bottom: 3rem;
  font-weight: 400;
}

/* ==========================================================================
   Pillars Grid (Residential & Commercial)
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  width: 100%;
  margin-bottom: 2.8rem;
}

.pillar-card {
  display: flex;
  align-items: flex-start;
  text-align: left;
  gap: 1.1rem;
  background: #ffffff;
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.pillar-card:hover {
  transform: translateY(-3px);
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

.pillar-icon-box {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.pillar-icon-box svg {
  width: 22px;
  height: 22px;
}

.pillar-content h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.pillar-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ==========================================================================
   Direct Contact & Connect Section
   ========================================================================== */
.connect-section {
  width: 100%;
  margin-bottom: 2.5rem;
}

.connect-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.connect-buttons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  width: 100%;
}

.connect-btn {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.15rem 1.25rem;
  background: #ffffff;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.connect-btn:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.connect-btn:hover .btn-icon {
  transform: scale(1.1);
}

.btn-icon svg {
  width: 22px;
  height: 22px;
}

.btn-text-group {
  display: flex;
  flex-direction: column;
  text-align: left;
  flex: 1;
}

.btn-label {
  font-size: 0.76rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.btn-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

.arrow-indicator {
  color: var(--text-muted);
  opacity: 0.5;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.arrow-indicator svg {
  width: 18px;
  height: 18px;
}

.connect-btn:hover .arrow-indicator {
  transform: translateX(3px);
  opacity: 1;
}

/* Specific Style: WhatsApp */
.whatsapp-btn .btn-icon {
  background: var(--whatsapp-bg);
  color: var(--whatsapp-color);
  border: 1px solid var(--whatsapp-border);
}

.whatsapp-btn:hover {
  border-color: var(--whatsapp-color);
}

/* Specific Style: Email */
.email-btn .btn-icon {
  background: var(--email-bg);
  color: var(--email-color);
  border: 1px solid var(--email-border);
}

.email-btn:hover {
  border-color: var(--email-color);
}

/* Specific Style: Instagram */
.insta-btn .btn-icon {
  background: var(--insta-bg);
  color: var(--insta-color);
  border: 1px solid var(--insta-border);
}

.insta-btn:hover {
  border-color: var(--insta-color);
}

/* ==========================================================================
   Footer Component with Developer Sign (rsio.in)
   ========================================================================== */
.site-footer {
  margin-top: auto;
  padding-top: 2.2rem;
  border-top: 1px solid rgba(226, 232, 240, 0.7);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-left p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-dev-sign {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: #ffffff;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.footer-dev-sign:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

.dev-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.dev-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  color: #0f172a;
  padding: 0.2rem 0.6rem;
  background: #f1f5f9;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.dev-badge-icon {
  display: inline-flex;
  align-items: center;
  color: var(--solar-dark-gold);
}

.dev-badge-icon svg {
  width: 14px;
  height: 14px;
}

.dev-domain {
  letter-spacing: 0.02em;
}

.external-icon {
  width: 13px;
  height: 13px;
  color: var(--text-muted);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.dev-link:hover {
  background: var(--solar-light);
  color: var(--solar-dark-gold);
}

.dev-link:hover .external-icon {
  transform: translate(2px, -2px);
  color: var(--solar-dark-gold);
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #0f172a;
  color: #ffffff;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 860px) {
  .connect-buttons-grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin: 0 auto;
  }

  .pillars-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto 2.5rem auto;
  }
}

@media (max-width: 640px) {
  .page-wrapper {
    padding: 1.5rem 1.1rem;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .hero-container {
    padding: 2.2rem 0 1.5rem 0;
  }

  .site-footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
  }
}