/* 
   GILBOX LTD - Premium Executive Corporate Light Stylesheet
   Theme: Executive Business Template (Deep Corporate Navy, Sky Blue, and Sustainable Energy Emerald)
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary-color: #000F40;       /* Deep Corporate Navy (signature brand representative) */
  --secondary-color: #0284c7;     /* Bright Executive Sky Blue (energy, current) */
  --accent-color: #000F40;        /* Brand color for consulting & emphasis */
  --teal-color: #059669;          /* Emerald Green (solar / sustainability) */
  --teal-light: #10b981;          /* Bright Emerald (active/eco) */
  
  --dark-bg: #f8fafc;             /* Premium soft light grey slate background */
  --dark-bg-card: #ffffff;        /* Pure white for crisp cards */
  --dark-border: rgba(0, 15, 64, 0.08); /* Sophisticated thin brand borders */
  --dark-border-active: rgba(2, 132, 199, 0.35); /* Sky blue focus borders */
  
  --text-primary: #000F40;        /* Deep brand text for ultimate legibility & presence */
  --text-secondary: #1e293b;      /* Elegant body slate text */
  --text-muted: #64748b;          /* Muted slate gray for small notes */
  
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --glow-shadow: 0 10px 30px -5px rgba(2, 132, 199, 0.08);
  --elevation-shadow: 0 4px 20px -2px rgba(0, 15, 64, 0.05);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-secondary);
  background-color: var(--dark-bg);
  overflow-x: hidden;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
  font-family: 'Outfit', sans-serif;
  color: var(--text-primary);
  font-weight: 700;
}

/* Premium Navigation Bar (Sleek High-Contrast Corporate Dark Navy #000F40) */
.navbar-custom {
  background-color: rgba(0, 15, 64, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 18px !important;
  padding-bottom: 18px !important;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.navbar-custom.scrolled {
  background-color: rgba(0, 15, 64, 0.98);
  padding-top: 12px !important;
  padding-bottom: 12px !important;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(56, 189, 248, 0.25);
}

.navbar-custom .navbar-brand {
  transition: transform 0.3s ease;
}

.navbar-custom .navbar-brand:hover {
  transform: translateY(-1px);
}

.navbar-custom .nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.3px;
  padding: 8px 16px !important;
  border-radius: 50px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.navbar-custom .nav-link:hover {
  color: #38bdf8 !important;
  background-color: rgba(56, 189, 248, 0.08);
}

.navbar-custom .nav-link.active {
  color: #38bdf8 !important;
  background-color: rgba(56, 189, 248, 0.15);
  font-weight: 600;
}

.navbar-custom .navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 8px 12px;
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.navbar-custom .navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25);
}

.navbar-custom .navbar-toggler-icon {
  filter: none; /* Keep original light icon style since background is dark navy */
}

/* Slogan Styling */
.navbar-slogan {
  font-size: 0.68rem;
  letter-spacing: 1.2px;
  color: #38bdf8;
  text-transform: uppercase;
  font-weight: 700;
  opacity: 0.9;
}

/* Hero Section - Deep Corporate Gradient (Kept authoritative but clean) */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(2, 132, 199, 0.18), transparent 50%),
              linear-gradient(135deg, #000F40 20%, #000720 100%);
  padding: 160px 0 110px 0;
  color: #ffffff;
}

.hero-tagline {
  color: #38bdf8;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 0.8rem;
  background-color: rgba(56, 189, 248, 0.1);
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.btn-electric {
  background-color: var(--secondary-color);
  color: #ffffff !important;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 50px;
  border: 1px solid var(--secondary-color);
  transition: var(--transition-smooth);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}

.btn-electric:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
}

.btn-outline-custom {
  background-color: transparent;
  color: #ffffff;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition-smooth);
}

.btn-outline-custom:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* Section Backgrounds (Ensure Light Theme alternates) */
section {
  background-color: var(--dark-bg-card);
}

section:nth-of-type(even) {
  background-color: var(--dark-bg);
}

/* Core Values & Service Cards (High-Contrast Light Template style) */
.value-card, .service-card {
  background-color: var(--dark-bg-card) !important;
  border: 1px solid var(--dark-border) !important;
  border-radius: 16px;
  padding: 35px 30px;
  transition: var(--transition-smooth);
  height: 100%;
  box-shadow: var(--elevation-shadow);
}

.value-card:hover, .service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-shadow);
  border-color: var(--secondary-color) !important;
}

.value-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(2, 132, 199, 0.15);
  font-family: 'Outfit', sans-serif;
  line-height: 1;
}

.value-card:hover .value-number {
  color: var(--secondary-color);
}

.service-icon-wrapper {
  width: 54px;
  height: 54px;
  background-color: rgba(2, 132, 199, 0.08);
  color: var(--secondary-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon-wrapper {
  background-color: var(--secondary-color);
  color: #ffffff;
}

.service-card-sustainable .service-icon-wrapper {
  background-color: rgba(5, 150, 105, 0.08);
  color: var(--teal-color);
}

.service-card-sustainable:hover .service-icon-wrapper {
  background-color: var(--teal-color);
  color: #ffffff;
}

/* Portfolio Filters */
.filter-btn {
  background-color: #ffffff;
  color: var(--text-secondary);
  border: 1px solid var(--dark-border);
  padding: 8px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.88rem;
  transition: var(--transition-smooth);
  margin: 0 5px 10px 5px;
  box-shadow: var(--elevation-shadow);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--secondary-color);
  color: #ffffff;
  border-color: var(--secondary-color);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
}

/* Portfolio Card */
.portfolio-card {
  border-radius: 16px;
  overflow: hidden;
  background-color: var(--dark-bg-card) !important;
  border: 1px solid var(--dark-border) !important;
  transition: var(--transition-smooth);
  height: 100%;
  box-shadow: var(--elevation-shadow);
}

.portfolio-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-shadow);
  border-color: var(--secondary-color) !important;
}

.portfolio-img-container {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.portfolio-card:hover .portfolio-img {
  transform: scale(1.04);
}

.portfolio-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--secondary-color);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.portfolio-badge-completed {
  background-color: var(--teal-color) !important;
}

/* Leader Profile (Gilbert NDAYISABA, BSc Hons) */
.leader-card {
  background: #ffffff;
  color: var(--text-secondary);
  border: 1px solid var(--dark-border);
  border-radius: 24px;
  padding: 45px;
  box-shadow: 0 10px 40px -10px rgba(15, 23, 42, 0.05);
}

.leader-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 4px solid var(--secondary-color);
  object-fit: cover;
  background-color: #f1f5f9;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.15);
}

/* Cost Estimator Styling (Corporate Design Block) */
.estimator-container {
  background-color: var(--dark-bg-card);
  border-radius: 24px;
  box-shadow: 0 12px 40px -10px rgba(15, 23, 42, 0.06);
  padding: 45px;
  border: 1px solid var(--dark-border);
}

/* Input Fields inside Forms (Clean Modern Light Theme) */
.form-control, .form-select {
  background-color: #ffffff !important;
  border: 1px solid #cbd5e1 !important;
  color: var(--text-primary) !important;
  border-radius: 10px !important;
  padding: 12px 16px !important;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus, .form-select:focus {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.12) !important;
}

/* Slide Range Bar custom */
.form-range::-webkit-slider-runnable-track {
  background: #e2e8f0;
  height: 6px;
  border-radius: 3px;
}

.form-range::-webkit-slider-thumb {
  background: var(--secondary-color) !important;
  width: 18px;
  height: 18px;
  margin-top: -6px;
}

.form-range::-moz-range-track {
  background: #e2e8f0;
  height: 6px;
  border-radius: 3px;
}

.form-range::-moz-range-thumb {
  background: var(--secondary-color) !important;
  width: 18px;
  height: 18px;
}

/* Timelines / Deadlines Layout */
.timeline-item {
  border-left: 3px solid var(--secondary-color);
  padding-left: 24px;
  margin-bottom: 25px;
  position: relative;
}

.timeline-item::before {
  content: '';
  width: 12px;
  height: 12px;
  background-color: var(--teal-light);
  border-radius: 50%;
  position: absolute;
  left: -8px;
  top: 6px;
}

/* Accent Blocks */
.section-accent {
  width: 50px;
  height: 4px;
  background: linear-gradient(to right, var(--secondary-color), var(--teal-light));
  margin-bottom: 20px;
  border-radius: 5px;
}

.section-accent-center {
  width: 50px;
  height: 4px;
  background: linear-gradient(to right, var(--secondary-color), var(--teal-light));
  margin: 0 auto 20px auto;
  border-radius: 5px;
}

/* Contact Block */
.contact-info-card {
  background: linear-gradient(135deg, #000F40 0%, #000720 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 40px;
  height: 100%;
}

.contact-info-card h2 {
  color: #ffffff !important;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background-color: rgba(2, 132, 199, 0.15);
  color: #38bdf8;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-right: 15px;
}

/* Checkbox Blocks (Modern Toggle / Card Styles) */
.form-check {
  background-color: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  padding: 15px 15px 15px 40px !important;
  border-radius: 12px !important;
  transition: var(--transition-smooth);
}

.form-check:hover {
  border-color: var(--secondary-color) !important;
  background-color: rgba(2, 132, 199, 0.02) !important;
}

.form-check-input {
  margin-left: -25px !important;
  width: 1.15em;
  height: 1.15em;
}

/* Custom list group styles */
.list-group-item {
  background-color: #ffffff !important;
  border-color: var(--dark-border) !important;
  color: var(--text-secondary) !important;
}

/* Card Styling Override */
.card {
  background-color: var(--dark-bg-card) !important;
  border: 1px solid var(--dark-border) !important;
  color: var(--text-secondary) !important;
  box-shadow: var(--elevation-shadow);
}

/* Accordion Styling (for details) */
.accordion-item {
  background-color: var(--dark-bg-card) !important;
  border: 1px solid var(--dark-border) !important;
  color: var(--text-secondary) !important;
}

.accordion-button {
  background-color: var(--dark-bg-card) !important;
  color: var(--text-primary) !important;
  font-weight: 600;
}

.accordion-button:not(.collapsed) {
  background-color: rgba(2, 132, 199, 0.06) !important;
  color: var(--secondary-color) !important;
}

/* Estimator Output Panel Styling */
#estimator-output-panel {
  background-color: #000F40 !important;
  border: 0 !important;
  color: #ffffff !important;
}

#estimator-output-panel h4, #estimator-output-panel span, #estimator-output-panel small {
  color: #f8fafc !important;
}

#estimator-output-panel strong, #estimator-output-panel #display-complexity, #estimator-output-panel #display-timeline, #estimator-output-panel #display-solar, #estimator-output-panel #display-co2 {
  color: #38bdf8 !important;
}

/* Footer styling (Dark High-End Elegant Contrast) */
footer {
  background-color: #00051a;
  color: #94a3b8;
  padding: 80px 0 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer .footer-title {
  color: #ffffff;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  margin-bottom: 24px;
}

footer a {
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition-smooth);
}

footer a:hover {
  color: var(--secondary-color);
  padding-left: 3px;
}

/* Typography styles matching Net-Zero gradient look */
.text-transparent {
  background-clip: text;
  -webkit-background-clip: text;
}

.bg-gradient-sky-emerald {
  background-image: linear-gradient(to right, var(--secondary-color), var(--teal-light));
}

/* Compliance section cards */
#rdb-certificate-summary {
  background-color: #ffffff !important;
  border: 1px solid #cbd5e1 !important;
}

#rdb-certificate-summary strong {
  color: var(--text-primary) !important;
}

/* Accessibility features */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--secondary-color) !important;
  outline-offset: 2px;
}