/* 
 * Quantumbridge Solutions Cleaning Services 
 * Main Theme Stylesheet 
 */

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

/* ==========================================================================
   CSS CUSTOM VARIABLES (DESIGN TOKENS)
   ========================================================================== */
:root {
  /* Default Colors - Dynamic customizers inject overrides */
  --color-primary: hsl(215, 30%, 15%);       /* Obsidian Slate */
  --color-primary-light: hsl(215, 30%, 25%);
  --color-secondary: hsl(170, 75%, 45%);     /* Aqua Mint */
  --color-secondary-hover: hsl(170, 75%, 38%);
  --color-accent: hsl(38, 90%, 55%);         /* Amber Gold */
  --color-accent-hover: hsl(38, 90%, 48%);
  --color-background: hsl(210, 30%, 98%);    /* Ice White */
  --color-surface: hsl(0, 0%, 100%);
  --color-text-dark: hsl(215, 30%, 12%);
  --color-text-light: hsl(210, 10%, 96%);
  --color-text-muted: hsl(215, 12%, 50%);
  --color-border: hsl(210, 20%, 90%);

  /* Typography */
  --font-heading: 'Outfit', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(18, 28, 36, 0.05);
  --shadow-md: 0 8px 16px rgba(18, 28, 36, 0.08);
  --shadow-lg: 0 16px 32px rgba(18, 28, 36, 0.12);
  --shadow-glass: 0 8px 32px 0 rgba(18, 28, 36, 0.1);

  /* Borders & Spacing */
  --border-radius: 12px;
  --border-radius-lg: 24px;
  --border-radius-pill: 50px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-background);
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

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

ul {
  list-style: none;
}

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

/* ==========================================================================
   LAYOUT CONTAINERS
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--color-secondary);
  border-radius: var(--border-radius-pill);
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--border-radius-pill);
  transition: var(--transition-smooth);
  cursor: pointer;
  border: 2px solid transparent;
  font-size: 0.95rem;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(245, 171, 35, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 171, 35, 0.4);
}

.btn-secondary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  box-shadow: 0 4px 14px rgba(18, 28, 36, 0.2);
}

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

.btn-outlined {
  background-color: transparent;
  border-color: var(--color-text-light);
  color: var(--color-text-light);
}

.btn-outlined:hover {
  background-color: var(--color-text-light);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ==========================================================================
   NAVIGATION HEADER
   ========================================================================== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 24px 0;
  transition: var(--transition-smooth);
}

.site-header.is-sticky {
  position: fixed;
  background-color: rgba(18, 28, 36, 0.95);
  backdrop-filter: blur(10px);
  padding: 16px 0;
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text-light);
  max-width: 320px;
  white-space: normal;
  line-height: 1.2;
}

.logo span {
  color: var(--color-secondary);
}

.logo img, .custom-logo-link img {
  max-height: 50px;
  width: auto;
  display: block;
}

.nav-menu {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-link {
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 1rem;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: var(--transition-smooth);
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 1.8rem;
  cursor: pointer;
}

@media (max-width: 1024px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--color-primary);
    flex-direction: column;
    padding: 100px 40px 40px;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    align-items: flex-start;
  }

  .nav-menu.is-active {
    right: 0;
  }

  .mobile-nav-toggle {
    display: block;
    z-index: 1001;
  }

  .nav-cta {
    flex-direction: column;
    width: 100%;
    margin-top: 24px;
  }
  
  .nav-cta .btn {
    width: 100%;
  }
}

/* ==========================================================================
   ADVANCED HERO SLIDER
   ========================================================================== */
.hero-slider-container {
  height: 100vh;
  position: relative;
  overflow: hidden;
  background-color: var(--color-primary);
}

.slider-wrapper {
  height: 100%;
  width: 100%;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 1;
  transition: opacity 1s ease-in-out;
  display: flex;
  align-items: center;
}

.slide.active {
  opacity: 1;
  z-index: 2;
}

.slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(18, 28, 36, 0.9) 30%,
    rgba(18, 28, 36, 0.4) 100%
  );
}

.slide-content {
  position: relative;
  z-index: 10;
  color: var(--color-text-light);
  max-width: 650px;
}

/* Slide Animations */
.slide-content h1 {
  font-size: 3.5rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
  transform: translateY(30px);
  opacity: 0;
  transition: var(--transition-slow);
}

.slide-content p {
  font-size: 1.25rem;
  margin-bottom: 40px;
  transform: translateY(30px);
  opacity: 0;
  transition: var(--transition-slow) 0.2s;
  color: rgba(255, 255, 255, 0.85);
}

.slide-content .btn-group {
  display: flex;
  gap: 16px;
  transform: translateY(30px);
  opacity: 0;
  transition: var(--transition-slow) 0.4s;
}

.slide.active .slide-content h1,
.slide.active .slide-content p,
.slide.active .slide-content .btn-group {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 768px) {
  .slide-content h1 {
    font-size: 2.5rem;
  }
  .slide-content p {
    font-size: 1.1rem;
  }
}

/* Slider Controls */
.slider-arrows {
  position: absolute;
  bottom: 50px;
  right: 50px;
  z-index: 10;
  display: flex;
  gap: 16px;
}

.slider-arrow {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.slider-arrow:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

/* Slider Progress Bar */
.slider-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.15);
  z-index: 10;
}

.slider-progress-line {
  height: 100%;
  width: 0;
  background-color: var(--color-secondary);
  transition: width 0s linear;
}

/* ==========================================================================
   TRUST BADGES RIBBON
   ========================================================================== */
.trust-ribbon {
  background-color: var(--color-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 30px 0;
  z-index: 20;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.ribbon-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.ribbon-item {
  color: var(--color-text-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.ribbon-item span.icon {
  font-size: 2.2rem;
}

.ribbon-item p {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
}

@media (max-width: 768px) {
  .ribbon-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

/* ==========================================================================
   SERVICES GRID (GLASSMORPHISM CARDS)
   ========================================================================== */
.services-section {
  background-color: var(--color-background);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.service-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(18, 28, 36, 0.05);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 24px;
  color: var(--color-secondary);
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.service-card p {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-link {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.service-link::after {
  content: '→';
  transition: var(--transition-smooth);
}

.service-card:hover .service-link::after {
  transform: translateX(4px);
}

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

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

/* ==========================================================================
   THE 4-STEP PROCESS LAYOUT
   ========================================================================== */
.process-section {
  background-color: var(--color-surface);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.process-card {
  text-align: center;
  position: relative;
}

.process-number {
  width: 70px;
  height: 70px;
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.8rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  transition: var(--transition-smooth);
}

.process-card:hover .process-number {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-text-light);
  transform: scale(1.1);
}

.process-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.process-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

@media (max-width: 992px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
  }
}

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

/* ==========================================================================
   TESTIMONIALS (GLASSMORPHISM)
   ========================================================================== */
.testimonials-section {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.testimonials-section h2 {
  color: var(--color-text-light);
}

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

.testimonial-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius);
  padding: 48px;
  box-shadow: var(--shadow-glass);
}

.rating {
  color: var(--color-accent);
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.testimonial-text {
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 30px;
  font-style: italic;
  opacity: 0.9;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-info h4 {
  color: var(--color-text-light);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.author-info p {
  color: var(--color-secondary);
  font-size: 0.85rem;
}

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

/* ==========================================================================
   INTERACTIVE MULTI-STEP SLIDER FORM (FLUENT FORMS CUSTOM STYLES)
   ========================================================================== */
.form-container {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1100px;
  margin: 0 auto;
}

.form-info-pane {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.form-info-pane h2 {
  color: var(--color-text-light);
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.form-info-pane p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
}

.form-contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-detail-item .icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-secondary);
}

.form-body-pane {
  padding: 60px;
}

/* Local Multi-step Form Preview */
.multi-step-form {
  position: relative;
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeIn 0.4s ease-in-out;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-family: var(--font-heading);
  color: var(--color-primary);
}

.form-input {
  width: 100%;
  padding: 14px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-smooth);
  background-color: var(--color-background);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(0, 168, 143, 0.15);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='black' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
}

.form-progress {
  height: 4px;
  width: 100%;
  background-color: var(--color-border);
  border-radius: var(--border-radius-pill);
  margin-bottom: 40px;
  overflow: hidden;
}

.form-progress-bar {
  height: 100%;
  width: 33%;
  background-color: var(--color-secondary);
  transition: var(--transition-smooth);
}

@media (max-width: 992px) {
  .form-container {
    grid-template-columns: 1fr;
  }
  .form-info-pane, .form-body-pane {
    padding: 40px;
  }
}

/* ==========================================================================
   SCROLL-LINKED ANIMATIONS (INTERSECTION OBSERVER)
   ========================================================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: var(--transition-slow);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Sequential card delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col h3 {
  color: var(--color-text-light);
  font-size: 1.3rem;
  margin-bottom: 24px;
  position: relative;
  display: inline-block;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--color-secondary);
}

.footer-col p {
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
}

.footer-links a:hover {
  color: var(--color-secondary);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

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

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* ==========================================================================
   SIMPLE CORE FADE ANIMATION
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   FLUENT FORMS CUSTOM STYLING OVERRIDES
   ========================================================================== */
.fluentform.ff-default {
  background: transparent !important;
  box-shadow: none !important;
}

.fluentform .ff-el-form-control {
  width: 100% !important;
  padding: 14px 20px !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--border-radius) !important;
  font-family: var(--font-body) !important;
  font-size: 1rem !important;
  background-color: var(--color-background) !important;
  color: var(--color-text-dark) !important;
  height: auto !important;
  box-shadow: none !important;
  transition: var(--transition-smooth) !important;
}

.fluentform .ff-el-form-control:focus {
  outline: none !important;
  border-color: var(--color-secondary) !important;
  box-shadow: 0 0 0 3px rgba(0, 168, 143, 0.15) !important;
}

.fluentform .ff-el-input--label label {
  font-weight: 600 !important;
  font-family: var(--font-heading) !important;
  color: var(--color-primary) !important;
  font-size: 0.95rem !important;
  margin-bottom: 8px !important;
  display: inline-block !important;
}

.fluentform .ff-btn-submit {
  background-color: var(--color-accent) !important;
  color: var(--color-primary) !important;
  border: none !important;
  padding: 14px 28px !important;
  font-family: var(--font-heading) !important;
  font-weight: 700 !important;
  font-size: 0.95rem !important;
  border-radius: var(--border-radius-pill) !important;
  box-shadow: 0 4px 14px rgba(245, 171, 35, 0.3) !important;
  cursor: pointer !important;
  transition: var(--transition-smooth) !important;
}

.fluentform .ff-btn-submit:hover {
  background-color: var(--color-accent-hover) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(245, 171, 35, 0.4) !important;
}

.fluentform .ff-step-header {
  margin-bottom: 30px !important;
}

.fluentform .ff-step-title {
  font-family: var(--font-heading) !important;
  color: var(--color-primary) !important;
}

.fluentform .ff-step-active .ff-step-title {
  color: var(--color-secondary) !important;
}