/* ==========================================================================
   M Squared Electric - Custom Stylesheet (Hybrid Aesthetic)
   Design Palette: Dark Slate/Charcoal Body, White Header & Footer, Gold Accents
   ========================================================================== */

:root {
  /* Default Colors (Applied to Main Body and Sections) */
  --color-bg-deep: #0b110e;
  --color-bg-slate: #131c18;
  --color-bg-panel: #1b2622;
  --color-bg-card: #202e29;
  --color-bg-input: #17211d;

  --color-green-primary: #385144;
  --color-green-light: #527563;
  --color-green-border: #2c3c33;
  --color-green-glow: rgba(82, 117, 99, 0.35);

  --color-gold: #df9a28;
  --color-gold-hover: #f5b041;
  --color-gold-glow: rgba(223, 154, 40, 0.4);
  --color-gold-bg: rgba(223, 154, 40, 0.08);

  --color-text-bright: #f4f5f4;
  --color-text-body: #cdd6d0;
  --color-text-muted: #829a8f;

  /* Typography */
  --font-headings: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Shadow & Glows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
  --shadow-glow-gold: 0 0 15px var(--color-gold-glow);
  --shadow-glow-green: 0 0 15px var(--color-green-glow);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg-deep);
  color: var(--color-text-body);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-headings);
  color: var(--color-text-bright);
  font-weight: 600;
  line-height: 1.25;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ==========================================================================
   Utilities & Typography Enhancements
   ========================================================================== */
.highlight-gold {
  color: var(--color-gold);
}

.sub-title {
  text-transform: uppercase;
  color: var(--color-gold);
  font-family: var(--font-headings);
  font-weight: 600;
  letter-spacing: 2px;
  font-size: 0.875rem;
  display: block;
  margin-bottom: 8px;
}

.accent-line {
  height: 3px;
  width: 60px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  margin: 16px auto 24px auto;
}

.accent-line.align-left {
  margin-left: 0;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-accent {
  background-color: var(--color-gold);
  color: var(--color-bg-deep);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
}

.btn-primary {
  background-color: var(--color-gold);
  color: var(--color-bg-deep);
  box-shadow: 0 4px 14px rgba(223, 154, 40, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-gold-hover);
  box-shadow: var(--shadow-glow-gold);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-bright);
  border: 1.5px solid var(--color-green-light);
}

.btn-secondary:hover {
  background-color: var(--color-green-primary);
  border-color: var(--color-green-light);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation (Bright White Theme)
   ========================================================================== */
.top-bar {
  background-color: #f5f6f5; /* Off-white top-bar */
  border-bottom: 1px solid #d3ded9;
  padding: 8px 0;
  font-size: 0.8rem;
  color: #5e756a; /* Muted text */
}

.top-bar-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-contact {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-contact:hover {
  color: var(--color-green-primary);
}

.main-header {
  background-color: rgba(255, 255, 255, 0.96); /* White header background */
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #d3ded9;
  padding: 12px 0;
}

.header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
}

.header-logo {
  height: 104px;
  width: auto;
  filter: none !important; /* Render dark green corporate logo sharp and clear */
  transition: height var(--transition-normal);
}

.primary-nav ul {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 32px;
}

.primary-nav a {
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.95rem;
  color: #2d3d35; /* Dark menu text */
  position: relative;
  padding: 6px 0;
}

.primary-nav a:hover,
.primary-nav a.active {
  color: var(--color-green-primary);
}

.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-green-primary);
  transition: width var(--transition-fast);
}

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

.primary-nav a.nav-cta-btn {
  background-color: var(--color-green-primary);
  border: 1px solid var(--color-green-primary);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
}

.primary-nav a.nav-cta-btn::after {
  display: none;
}

.primary-nav a.nav-cta-btn:hover {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: #121b17;
  box-shadow: var(--shadow-glow-gold);
}

/* Mobile Nav Toggle styles (Dark lines for light header) */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.hamburger {
  width: 24px;
  height: 2px;
  background-color: #121b17; /* Dark lines */
  position: relative;
  transition: background-color var(--transition-fast);
}

.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: #121b17; /* Dark lines */
  left: 0;
  transition: transform var(--transition-fast);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* ==========================================================================
   Hero Section (Dark Theme with building_lighting.jpg background)
   ========================================================================== */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 75% 30%, #15221b 0%, var(--color-bg-deep) 100%);
  padding: 100px 0;
  border-bottom: 1px solid var(--color-green-border);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../public/images/hero_winter_house.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.28; /* Vivid and warm rustic winter house background */
  filter: contrast(105%);
  pointer-events: none;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.08;
  background-image: radial-gradient(var(--color-green-primary) 1px, transparent 0);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}

.hero-text-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.hero-title {
  font-size: 4.25rem;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -1px;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.65;
  color: var(--color-text-body);
  margin-bottom: 36px;
  max-width: 780px;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 12px;
}

.hero-trust-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-green-border);
  width: 100%;
  max-width: 760px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.glass-logo-wrapper {
  background: linear-gradient(135deg, rgba(27, 38, 34, 0.7) 0%, rgba(19, 28, 24, 0.4) 100%);
  border: 1px solid rgba(82, 117, 99, 0.25);
  box-shadow: var(--shadow-lg), inset 0 1px 1px rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  padding: 40px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  width: 100%;
  max-width: 420px;
}

.glass-logo-wrapper::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px; bottom: -1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-gold-glow) 0%, transparent 60%);
  z-index: -1;
  pointer-events: none;
}

.hero-center-logo {
  width: 100%;
  max-width: 280px;
  height: auto;
  margin: 0 auto 24px auto;
  display: block;
}

.card-features {
  width: 100%;
  border-top: 1px solid var(--color-green-border);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.feat-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-bright);
}

.feat-bullet {
  color: var(--color-gold);
  font-weight: 700;
}

/* ==========================================================================
   Badge Strip (Dark Theme)
   ========================================================================== */
.badges-strip {
  background-color: var(--color-bg-slate);
  border-bottom: 1px solid var(--color-green-border);
  padding: 32px 0;
}

.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}

.badge-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-normal);
}

.badge-card:hover {
  background-color: rgba(32, 46, 41, 0.3);
  border-color: var(--color-green-border);
  transform: translateY(-2px);
}

.badge-icon-wrapper {
  color: var(--color-gold);
  background-color: var(--color-gold-bg);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

.badge-info h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.badge-info p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* ==========================================================================
   Services Section (Dark Theme)
   ========================================================================== */
.services-section {
  padding: 100px 0;
  background-color: var(--color-bg-deep);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 60px auto;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-top: 8px;
}

.section-desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.service-card {
  border: 1px solid var(--color-green-border);
  border-radius: var(--radius-md);
  padding: 36px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Translucent Dark Overlay for maximum text readability and subtle imagery */
.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(14, 23, 19, 0.78) 0%, rgba(11, 17, 14, 0.94) 100%);
  z-index: 1;
  transition: background var(--transition-normal);
}

.card-inner {
  position: relative;
  z-index: 2;
}

/* Translucent Background Image Assignments */
.service-card-res {
  background-image: url('../public/images/service_residential.jpg');
}

.service-card-comm {
  background-image: url('../public/images/service_commercial.jpg');
}

.service-card-infra {
  background-image: url('../public/images/service_infrared.jpg');
}

.service-card-data {
  background-image: url('../public/images/service_data.jpg');
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: transparent;
  z-index: 3;
  transition: background-color var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-green);
  border-color: var(--color-green-light);
}

.service-card:hover .card-overlay {
  background: linear-gradient(180deg, rgba(14, 23, 19, 0.65) 0%, rgba(11, 17, 14, 0.86) 100%);
}

.service-card:hover::before {
  background-color: var(--color-gold);
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 14px;
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-body);
  margin-bottom: 20px;
}



.card-bullets {
  list-style: none;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid transparent;
  padding-top: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), opacity var(--transition-normal), padding var(--transition-normal), border-color var(--transition-normal);
}

.service-card:hover .card-bullets {
  max-height: 300px; /* Expands all 6 bullet points smoothly on hover */
  opacity: 1;
  padding-top: 16px;
  border-top: 1px solid var(--color-green-border);
}

.card-bullets li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-bullets li::before {
  content: '▪';
  color: var(--color-gold);
  font-size: 0.7rem;
}

/* ==========================================================================
   About Section (Dark Theme with Real Mockup Card)
   ========================================================================== */
.about-section {
  padding: 100px 0;
  background-color: var(--color-bg-slate);
  border-top: 1px solid var(--color-green-border);
  border-bottom: 1px solid var(--color-green-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 64px;
}

.about-text-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.about-text-column h2 {
  font-size: 2.25rem;
  margin-top: 8px;
  margin-bottom: 20px;
}

.about-text-column p {
  margin-bottom: 20px;
  color: var(--color-text-body);
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 36px;
  width: 100%;
}

.stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-number {
  font-family: var(--font-headings);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1.1;
}

.stat-lbl {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: 1px;
}

/* Recreating the dark Business Card mockup precisely */
.business-card-display {
  background-color: #0b110e;
  border: 1px solid var(--color-green-border);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  max-width: 440px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.business-card-display::after {
  content: '';
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, var(--color-green-glow) 0%, transparent 70%);
  z-index: 1;
}

.card-head {
  margin-bottom: 30px;
  display: flex;
  justify-content: center;
  width: 100%;
}

.card-min-logo {
  max-width: 180px;
  margin: 0 auto;
  display: block;
}

.card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 30px;
  width: 100%;
}

.info-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.95rem;
}

.info-icon {
  color: var(--color-gold);
}

.info-row a:hover {
  color: var(--color-gold);
}

.card-foot {
  border-top: 1px solid var(--color-green-border);
  padding-top: 16px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  width: 100%;
  text-align: center;
  font-weight: 600;
}

/* ==========================================================================
   Interactive Customer Hub (Dark Theme)
   ========================================================================== */
.hub-section {
  padding: 100px 0;
  background-color: var(--color-bg-deep);
}

.hub-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-bg-slate);
  border: 1px solid var(--color-green-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hub-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--color-green-border);
  background-color: var(--color-bg-panel);
}

.hub-tab-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  padding: 20px 10px;
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.hub-tab-btn:hover {
  color: var(--color-text-bright);
  background-color: rgba(223, 154, 40, 0.02);
}

.hub-tab-btn.active {
  color: var(--color-gold);
  background-color: var(--color-bg-slate);
  border-bottom: 2px solid var(--color-gold);
}

.hub-content-box {
  padding: 40px;
}

.hub-form {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.hub-form.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.form-title {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.form-subtitle {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 30px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.col-span-2 {
  grid-column: span 2;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-bright);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  background-color: var(--color-bg-input);
  border: 1.5px solid var(--color-green-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-bright);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 8px rgba(223, 154, 40, 0.15);
}

.radio-group {
  display: flex;
  gap: 20px;
  margin-top: 6px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}

.radio-label input[type="radio"] {
  accent-color: var(--color-gold);
  width: 16px;
  height: 16px;
}

.form-actions {
  margin-top: 32px;
  border-top: 1px solid var(--color-green-border);
  padding-top: 24px;
  display: flex;
  justify-content: flex-end;
}

/* ==========================================================================
   Footer (Bright White Theme override)
   ========================================================================== */
footer {
  background-color: #ffffff; /* White footer background */
  border-top: 1px solid #d3ded9;
  padding: 80px 0 40px 0;
  color: #2d3d35; /* Dark body text in footer */
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 48px;
}

.footer-col h4 {
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 10px;
  font-size: 1.1rem;
  color: #121b17; /* Dark heading text */
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--color-green-primary); /* Green accent line */
}

.brand-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  max-width: 200px;
  filter: none !important; /* Render dark green corporate logo sharp and clear */
}

.brand-desc {
  font-size: 0.9rem;
  color: #5e756a;
}

.copyright {
  font-size: 0.75rem;
  margin-top: auto;
  color: #829a8f;
}

.links-col ul, .contact-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
}

.links-col a {
  color: #5e756a;
}

.links-col a:hover {
  color: var(--color-green-primary);
}

.foot-icon {
  margin-right: 8px;
  color: var(--color-green-primary);
}

.contact-col a {
  color: #5e756a;
}

.contact-col a:hover {
  color: var(--color-green-primary);
}

/* ==========================================================================
   Toast Notification System
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background-color: var(--color-bg-panel);
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius-sm);
  color: var(--color-text-bright);
  padding: 16px 24px;
  box-shadow: var(--shadow-lg), 0 0 15px rgba(0,0,0,0.4);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn var(--transition-fast) forwards;
  opacity: 0;
}

.toast.toast-success {
  border-left-color: var(--color-gold);
}

.toast-thumb {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  object-fit: cover;
  border: 1px solid var(--color-gold);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.toast-content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toast-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gold);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast.hide {
  animation: slideOut var(--transition-fast) forwards;
}

@keyframes slideOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(50px);
  }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .copyright {
    margin-top: 24px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.75rem;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: #ffffff; /* White background for mobile menu drawer to match header */
    border-bottom: 1px solid #d3ded9;
    padding: 24px 0;
    box-shadow: var(--shadow-lg);
  }
  .primary-nav.active {
    display: block;
  }
  .primary-nav ul {
    flex-direction: column;
    gap: 20px;
    padding: 0 24px;
    align-items: flex-start;
  }
  .primary-nav a.nav-cta-btn {
    width: 100%;
    text-align: center;
  }
  .header-logo {
    height: 72px;
  }
  /* Hamburger trigger */
  .mobile-nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
  }
  .mobile-nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg) translate(5px, 6px);
  }
  .mobile-nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg) translate(5px, -6px);
  }
  .hub-content-box {
    padding: 24px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .col-span-2 {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .top-bar-flex {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .hub-tabs {
    grid-template-columns: 1fr;
  }
  .hub-tab-btn {
    padding: 14px 10px;
    border-bottom: 1px solid var(--color-green-border);
  }
  .hub-tab-btn.active {
    border-bottom: 1px solid var(--color-gold);
  }
}

/* ==========================================================================
   File Upload & Thumbnail Preview Styles
   ========================================================================== */
.file-dropzone {
  position: relative;
  border: 2px dashed var(--color-green-border);
  border-radius: var(--radius-md);
  padding: 24px;
  background-color: var(--color-bg-input);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.file-dropzone:hover,
.file-dropzone.dragover {
  border-color: var(--color-gold);
  background-color: rgba(223, 154, 40, 0.02);
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 5;
}

.dropzone-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.upload-icon {
  font-size: 2rem;
  margin-bottom: 4px;
}

.dropzone-prompt p {
  font-family: var(--font-headings);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-bright);
}

.dropzone-prompt p span {
  color: var(--color-gold);
  text-decoration: underline;
}

.file-types {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.file-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.file-preview-card {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-green-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  animation: scaleIn var(--transition-fast) forwards;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.file-preview-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  background-color: rgba(18, 27, 23, 0.75);
  color: #ffffff;
  border: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: bold;
  cursor: pointer;
  z-index: 10;
  transition: background-color var(--transition-fast);
}

.remove-btn:hover {
  background-color: var(--color-gold);
}

/* ==========================================================================
   Attached Files List & Upload Confirmation Styles
   ========================================================================== */
.attached-files-container {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.attached-files-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gold);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-green-border);
}

/* Visual Image Thumbnail Gallery Cards */
.file-thumb-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
  margin-bottom: 8px;
}

.file-gallery-card {
  position: relative;
  width: 76px;
  height: 76px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-gold);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  animation: scaleIn var(--transition-fast) forwards;
}

.file-gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.gallery-remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  background-color: rgba(18, 27, 23, 0.85);
  color: #ffffff;
  border: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: bold;
  cursor: pointer;
  z-index: 10;
  transition: background-color var(--transition-fast);
}

.gallery-remove-btn:hover {
  background-color: var(--color-gold);
}

.file-list-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: var(--color-bg-panel);
  border: 1px solid var(--color-green-border);
  border-radius: var(--radius-sm);
  gap: 12px;
  animation: scaleIn var(--transition-fast) forwards;
}

.file-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
}

.file-item-thumb {
  width: 46px;
  height: 46px;
  border-radius: 4px;
  object-fit: cover;
  border: 1px solid var(--color-green-border);
  flex-shrink: 0;
}

.file-item-meta {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.file-item-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-bright);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.file-item-size {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.file-item-remove-btn {
  background-color: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-green-border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.file-item-remove-btn:hover {
  background-color: rgba(223, 154, 40, 0.15);
  border-color: var(--color-gold);
  color: #ffffff;
}