/* ==========================================================================
   Blazing Crest Limited - Stylesheet
   Modern, Ultra-responsive, High-Performance Design System
   ========================================================================== */

:root {
  /* Brand Palette (derived from Blazing Crest Logo) */
  --primary-dark: #4d0515;
  --primary: #740b25;
  --primary-light: #9c1536;
  --primary-glow: rgba(156, 21, 54, 0.4);
  --accent-flame: #ff5e36;
  --accent-gold: #ffb703;
  --accent-gold-glow: rgba(255, 183, 3, 0.3);
  
  /* Dark & Light System Colors */
  --bg-dark: #090c15;
  --bg-darker: #05070d;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(26, 35, 56, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(230, 57, 70, 0.35);

  /* Typography */
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-inverse: #090c15;

  /* Dimensions & Transitions */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 45px rgba(0, 0, 0, 0.5);
  --shadow-primary: 0 12px 30px rgba(116, 11, 37, 0.45);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(116, 11, 37, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(255, 94, 54, 0.08) 0%, transparent 45%);
  background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 4rem 0;
  }
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  background: rgba(156, 21, 54, 0.18);
  border: 1px solid rgba(230, 57, 70, 0.35);
  color: #ff8c9f;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  backdrop-filter: blur(8px);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #ffffff;
}

.section-title span {
  background: linear-gradient(135deg, #ff8c9f 0%, #ff5e36 60%, #ffb703 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 3.5rem auto;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-base);
  background: rgba(9, 12, 21, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-glass);
}

.site-header.scrolled {
  background: rgba(7, 9, 16, 0.95);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  border-bottom-color: rgba(116, 11, 37, 0.35);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  transition: height var(--transition-fast);
}

.site-header.scrolled .nav-wrapper {
  height: 72px;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.logo-badge {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  overflow: hidden;
  background: #ffffff;
  padding: 2px;
  box-shadow: 0 0 16px rgba(116, 11, 37, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid rgba(116, 11, 37, 0.6);
  transition: transform var(--transition-fast);
}

.brand-logo-link:hover .logo-badge {
  transform: scale(1.05) rotate(2deg);
}

.logo-badge img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

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

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #ffffff;
  line-height: 1.1;
}

.brand-name span {
  color: #ff6842;
}

.brand-tagline {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent-flame));
  transition: width var(--transition-base);
  border-radius: var(--radius-full);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 15px rgba(116, 11, 37, 0.4);
  transition: all var(--transition-fast);
}

.btn-header-cta:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-flame) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 94, 54, 0.45);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: #ffffff;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: background var(--transition-fast);
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px 0;
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(9, 12, 21, 0.75) 0%, rgba(9, 12, 21, 0.92) 80%, var(--bg-dark) 100%),
              url('../images/hero.jpg') center center / cover no-repeat;
  z-index: 1;
  opacity: 0.85;
}

.hero-glow-orb {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(156, 21, 54, 0.3) 0%, rgba(255, 94, 54, 0.1) 40%, transparent 70%);
  filter: blur(80px);
  z-index: 2;
  top: 20%;
  right: -100px;
  pointer-events: none;
  animation: pulseGlow 8s infinite alternate ease-in-out;
}

@keyframes pulseGlow {
  0% { transform: scale(1) translate(0, 0); opacity: 0.6; }
  100% { transform: scale(1.15) translate(-40px, 40px); opacity: 0.9; }
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 820px;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  color: #ffffff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-headline .highlight-word {
  background: linear-gradient(135deg, #ff6b82 0%, #ff5e36 50%, #ffc107 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtext {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: #cbd5e1;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 720px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 3.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, #8d102e 0%, #b8173d 50%, #ff5e36 100%);
  color: #ffffff;
  padding: 0.95rem 2rem;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 25px rgba(184, 23, 61, 0.45);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 35px rgba(255, 94, 54, 0.55);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  padding: 0.95rem 1.9rem;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: #25D366;
  color: #ffffff;
  padding: 0.95rem 1.8rem;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  border: none;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
  transition: all var(--transition-fast);
}

.btn-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-3px);
  box-shadow: 0 12px 25px rgba(37, 211, 102, 0.45);
}

/* Hero Stats Bar */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 1.8rem 2rem;
  background: rgba(18, 24, 38, 0.7);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.stat-item {
  display: flex;
  flex-direction: column;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -0.75rem;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-glass);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 0.2rem;
}

.stat-number span {
  color: #ff5e36;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

@media (max-width: 992px) {
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .stat-item:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 576px) {
  .hero-stats-grid {
    grid-template-columns: 1fr 1fr;
    padding: 1.2rem;
    gap: 1rem;
  }
  .stat-number {
    font-size: 1.75rem;
  }
}

/* ==========================================================================
   Company Intro / About Section
   ========================================================================== */
.about-section {
  position: relative;
  background: var(--bg-darker);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-visual-card {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-lg);
}

.about-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-visual-card:hover .about-image-wrapper img {
  transform: scale(1.04);
}

.about-floating-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, rgba(116, 11, 37, 0.95), rgba(77, 5, 21, 0.95));
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 94, 54, 0.4);
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-primary);
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 280px;
}

.floating-badge-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #ffb703;
  flex-shrink: 0;
}

.floating-badge-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.15rem;
}

.floating-badge-text p {
  font-size: 0.78rem;
  color: #f1f5f9;
  line-height: 1.3;
}

.about-content-block h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.2rem;
  line-height: 1.25;
}

.about-content-block p {
  color: var(--text-muted);
  font-size: 1.02rem;
  margin-bottom: 1.5rem;
}

.about-values-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.value-pill {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  background: rgba(255, 255, 255, 0.025);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
}

.value-pill-icon {
  color: #ff5e36;
  font-size: 1.15rem;
  margin-top: 0.15rem;
}

.value-pill h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.value-pill p {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 0;
}

@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-floating-badge {
    bottom: 15px;
    right: 15px;
  }
}

@media (max-width: 576px) {
  .about-values-list {
    grid-template-columns: 1fr;
  }
  .about-image-wrapper img {
    height: 340px;
  }
}

/* ==========================================================================
   Core Specialisations Section
   ========================================================================== */
.specialisations-section {
  position: relative;
  background: var(--bg-dark);
}

.specs-nav-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  border-color: rgba(255, 94, 54, 0.4);
  box-shadow: 0 6px 20px rgba(116, 11, 37, 0.45);
}

.spec-cards-container {
  display: flex;
  flex-direction: column;
  gap: 4.5rem;
}

.spec-pillar-card {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3.5rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.spec-pillar-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
}

.spec-pillar-card.reverse-layout {
  grid-template-columns: 1fr 1.05fr;
}

.spec-pillar-card.reverse-layout .spec-media-column {
  order: 1;
}

.spec-pillar-card.reverse-layout .spec-content-column {
  order: 2;
}

/* Pillar Media */
.spec-media-column {
  position: relative;
}

.spec-img-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-md);
}

.spec-img-frame img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.spec-pillar-card:hover .spec-img-frame img {
  transform: scale(1.05);
}

.spec-badge-overlay {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background: rgba(9, 12, 21, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: #ffb703;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

/* Pillar Content */
.spec-number {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: #ff5e36;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.spec-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.spec-summary {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.spec-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.spec-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: #e2e8f0;
}

.spec-feature-item i {
  color: #ff5e36;
  font-size: 0.95rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.spec-card-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-card-quote {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.92rem;
  transition: all var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-card-quote:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-flame) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(116, 11, 37, 0.4);
}

.btn-card-call {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid var(--border-glass);
  transition: all var(--transition-fast);
}

.btn-card-call:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffb703;
}

@media (max-width: 992px) {
  .spec-pillar-card,
  .spec-pillar-card.reverse-layout {
    grid-template-columns: 1fr;
    padding: 2rem;
    gap: 2.2rem;
  }
  .spec-pillar-card.reverse-layout .spec-media-column {
    order: 0;
  }
  .spec-pillar-card.reverse-layout .spec-content-column {
    order: 1;
  }
  .spec-img-frame img {
    height: 280px;
  }
}

@media (max-width: 640px) {
  .spec-features-grid {
    grid-template-columns: 1fr;
  }
  .spec-pillar-card {
    padding: 1.5rem;
  }
}

/* ==========================================================================
   Solar Energy Sizing Calculator (Interactive Widget)
   ========================================================================== */
.calculator-section {
  position: relative;
  background: var(--bg-darker);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

.calculator-wrapper {
  background: linear-gradient(145deg, rgba(20, 27, 45, 0.85) 0%, rgba(13, 17, 30, 0.95) 100%);
  border: 1px solid rgba(230, 57, 70, 0.25);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem;
}

.calc-input-group {
  margin-bottom: 1.75rem;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.95rem;
  color: #ffffff;
  margin-bottom: 0.6rem;
}

.calc-label span.calc-val-display {
  color: #ffb703;
  font-family: var(--font-heading);
  font-size: 1.1rem;
}

.custom-range {
  width: 100%;
  height: 8px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.custom-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-flame), var(--accent-gold));
  cursor: pointer;
  box-shadow: 0 0 10px rgba(255, 94, 54, 0.6);
  border: 2px solid #ffffff;
  transition: transform var(--transition-fast);
}

.custom-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.appliance-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.appliance-chip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  user-select: none;
}

.appliance-chip.selected {
  background: rgba(116, 11, 37, 0.3);
  border-color: rgba(255, 94, 54, 0.5);
  color: #ffffff;
}

.appliance-chip input {
  display: none;
}

/* Calculator Result Panel */
.calc-result-panel {
  background: rgba(9, 12, 21, 0.85);
  border: 1px solid rgba(255, 94, 54, 0.3);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-primary);
}

.calc-result-header h4 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.3rem;
}

.calc-result-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.calc-spec-results {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin-bottom: 2rem;
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.result-row-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.result-row-title i {
  color: #ff5e36;
}

.result-row-val {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.result-row-val.highlight {
  color: #ffb703;
}

@media (max-width: 992px) {
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .calculator-wrapper {
    padding: 2rem;
  }
}

@media (max-width: 576px) {
  .appliance-checkbox-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Why Choose Us & Process
   ========================================================================== */
.why-us-section {
  position: relative;
  background: var(--bg-dark);
}

.features-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent-flame));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.feature-box:hover {
  transform: translateY(-6px);
  border-color: rgba(230, 57, 70, 0.35);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.feature-box:hover::before {
  opacity: 1;
}

.feature-box-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(116, 11, 37, 0.4), rgba(255, 94, 54, 0.15));
  border: 1px solid rgba(255, 94, 54, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: #ff5e36;
  margin-bottom: 1.5rem;
}

.feature-box h4 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.8rem;
}

.feature-box p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

@media (max-width: 992px) {
  .features-grid-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ==========================================================================
   Project Showcase / Capabilities Gallery
   ========================================================================== */
.projects-section {
  background: var(--bg-darker);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-item-card {
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  overflow: hidden;
  transition: all var(--transition-base);
}

.project-item-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-md);
}

.project-thumb {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-item-card:hover .project-thumb img {
  transform: scale(1.08);
}

.project-category-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(9, 12, 21, 0.85);
  backdrop-filter: blur(8px);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: #ff8c9f;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-transform: uppercase;
}

.project-body {
  padding: 1.75rem;
}

.project-body h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.6rem;
}

.project-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.project-meta-list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1rem;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.project-meta-list span i {
  color: #ff5e36;
  margin-right: 0.35rem;
}

@media (max-width: 992px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  background: var(--bg-dark);
}

.faq-accordion-container {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: rgba(230, 57, 70, 0.4);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.35rem 1.75rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: #ffffff;
  user-select: none;
}

.faq-question:hover {
  color: #ff8c9f;
}

.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #ff5e36;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: #ffffff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.3s ease;
  padding: 0 1.75rem;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 1.75rem 1.5rem 1.75rem;
}

/* ==========================================================================
   Contact & Quote Request Section
   ========================================================================== */
.contact-section {
  position: relative;
  background: var(--bg-darker);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3.5rem;
  align-items: flex-start;
}

/* Contact Info Column */
.contact-info-card {
  background: linear-gradient(145deg, rgba(20, 27, 45, 0.9) 0%, rgba(13, 17, 30, 0.95) 100%);
  border: 1px solid rgba(230, 57, 70, 0.3);
  border-radius: var(--radius-lg);
  padding: 3rem 2.2rem;
  box-shadow: var(--shadow-primary);
  position: relative;
  overflow: hidden;
}

.contact-info-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 94, 54, 0.25), transparent 70%);
  filter: blur(30px);
}

.contact-info-card h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.8rem;
}

.contact-info-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  margin-bottom: 2.2rem;
}

.contact-direct-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.contact-touchpoint {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
}

.touchpoint-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(116, 11, 37, 0.3);
  border: 1px solid rgba(255, 94, 54, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: #ff5e36;
  flex-shrink: 0;
}

.touchpoint-details h5 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.touchpoint-details a {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  transition: color var(--transition-fast);
}

.touchpoint-details a:hover {
  color: #ff8c9f;
}

.touchpoint-details p {
  font-size: 0.95rem;
  color: #e2e8f0;
  margin-bottom: 0;
}

.contact-socials-block h5 {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.8rem;
}

.social-links-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-circle-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.social-circle-btn:hover {
  background: var(--primary);
  border-color: rgba(255, 94, 54, 0.5);
  color: #ffffff;
  transform: translateY(-3px);
}

/* Contact Form Column */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
}

.contact-form-wrapper h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.contact-form-wrapper p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  background: rgba(9, 12, 21, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  color: #ffffff;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: rgba(230, 57, 70, 0.6);
  background: rgba(9, 12, 21, 0.9);
  box-shadow: 0 0 0 3px rgba(116, 11, 37, 0.25);
}

select.form-control {
  cursor: pointer;
}

select.form-control option {
  background: #0d121f;
  color: #ffffff;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-submit-btn {
  width: 100%;
  padding: 1rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--accent-flame) 100%);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 25px rgba(116, 11, 37, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: all var(--transition-fast);
}

.form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 94, 54, 0.5);
}

.form-feedback-msg {
  display: none;
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  text-align: center;
}

.form-feedback-msg.success {
  display: block;
  background: rgba(37, 211, 102, 0.15);
  border: 1px solid rgba(37, 211, 102, 0.4);
  color: #4ade80;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 576px) {
  .form-row-2 {
    grid-template-columns: 1fr;
  }
  .contact-form-wrapper {
    padding: 1.75rem;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #05070c;
  border-top: 1px solid var(--border-glass);
  padding: 5rem 0 2rem 0;
  position: relative;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand-summary {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 1.25rem 0;
  max-width: 340px;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent-flame);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links-list a {
  font-size: 0.92rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
}

.footer-links-list a:hover {
  color: #ff8c9f;
  transform: translateX(4px);
}

.footer-newsletter p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.newsletter-box {
  display: flex;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  padding: 0.25rem;
}

.newsletter-box input {
  background: transparent;
  padding: 0.65rem 1rem;
  color: #ffffff;
  font-size: 0.9rem;
  width: 100%;
}

.newsletter-box button {
  background: var(--primary);
  color: #ffffff;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.newsletter-box button:hover {
  background: var(--primary-light);
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--text-dim);
}

@media (max-width: 992px) {
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   Floating Action Buttons & Utilities
   ========================================================================== */
.floating-actions {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.fab-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.fab-whatsapp {
  background: #25D366;
  color: #ffffff;
  animation: pulseFab 2.5s infinite;
}

.fab-whatsapp:hover {
  background: #20bd5a;
  transform: scale(1.1);
}

.fab-call {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.fab-call:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-flame) 100%);
  transform: scale(1.1);
}

.fab-scroll-top {
  background: rgba(18, 24, 38, 0.9);
  color: #ffffff;
  border: 1px solid var(--border-glass);
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all var(--transition-fast);
}

.fab-scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.fab-scroll-top:hover {
  background: var(--primary);
}

@keyframes pulseFab {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   Mobile Navigation Overlay
   ========================================================================== */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(5, 7, 13, 0.98);
  backdrop-filter: blur(20px);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-overlay.open {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.mobile-close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: #ffffff;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  margin-bottom: 3rem;
}

.mobile-nav-links a {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-nav-links a:hover {
  color: #ff8c9f;
}

.mobile-contact-block {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-contact-block p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.mobile-phone-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.mobile-phone-link i {
  color: #ff5e36;
}

@media (max-width: 992px) {
  .nav-menu,
  .btn-header-cta {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
}