/* ============================================
   QVU Realty Holdings LLC - Global Stylesheet
   Dark Theme | Modern | Creative
   ============================================ */

/* CSS Variables */
:root {
  --bg-primary: #050508;
  --bg-secondary: #0a0a12;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-glass: rgba(255, 255, 255, 0.06);
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  --accent-cyan: #00d4ff;
  --accent-purple: #7b2ff7;
  --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7b2ff7 100%);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 212, 255, 0.3);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background ambient effect */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(0, 212, 255, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(123, 47, 247, 0.06), transparent);
  pointer-events: none;
  z-index: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-purple);
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-title {
  font-size: 2.8rem;
  margin-bottom: 16px;
  text-align: center;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.05);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: #fff;
}

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

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Grid */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(5, 5, 8, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: var(--transition);
}

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

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

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 0 100px;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 80px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* Decorative elements */
.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15), transparent 70%);
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 0;
}

/* ============================================
   Features / Services Preview
   ============================================ */
.features {
  background: var(--bg-secondary);
}

/* ============================================
   About Page
   ============================================ */
.about-hero {
  padding: 160px 0 80px;
  text-align: center;
}

.about-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 20px;
}

.about-hero p {
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.info-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.info-block.reverse {
  direction: rtl;
}

.info-block.reverse > * {
  direction: ltr;
}

.info-visual {
  aspect-ratio: 4/3;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.info-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0.08;
}

.info-visual-inner {
  font-size: 4rem;
  z-index: 1;
}

.info-content h3 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.info-content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.value-card {
  text-align: center;
  padding: 32px 24px;
}

.value-card .value-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 20px;
}

/* ============================================
   Services Page
   ============================================ */
.services-hero {
  padding: 160px 0 60px;
  text-align: center;
}

.services-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 16px;
}

.services-hero p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 60px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

.service-detail h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.service-detail p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-detail ul {
  list-style: none;
}

.service-detail ul li {
  color: var(--text-secondary);
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
}

.service-detail ul li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: 700;
}

.service-icon-large {
  width: 100%;
  aspect-ratio: 1;
  max-height: 280px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  border: 1px solid var(--border-subtle);
}

/* Industries */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.industry-tag {
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.industry-tag:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.05);
}

/* ============================================
   Team Page
   ============================================ */
.team-hero {
  padding: 160px 0 60px;
  text-align: center;
}

.team-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 16px;
}

.team-hero p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 32px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--accent-gradient);
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
}

.team-role {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.team-dept {
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.team-bio {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ============================================
   Contact Page
   ============================================ */
.contact-hero {
  padding: 160px 0 60px;
  text-align: center;
}

.contact-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 16px;
}

.contact-hero p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: var(--border-glow);
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
  font-size: 1.2rem;
}

.contact-item h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.contact-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* ============================================
   Privacy & Terms
   ============================================ */
.legal-hero {
  padding: 160px 0 60px;
  text-align: center;
}

.legal-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 16px;
}

.legal-hero p {
  color: var(--text-secondary);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 100px;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.legal-content h3 {
  font-size: 1.15rem;
  margin: 28px 0 12px;
  color: var(--accent-cyan);
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.8;
}

.legal-content ul {
  margin-left: 24px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.legal-content ul li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.legal-content a {
  word-break: break-all;
}

.legal-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
  display: block;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-bottom-links a:hover {
  color: var(--accent-cyan);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: var(--bg-secondary);
  text-align: center;
  padding: 100px 0;
}

.cta-section h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 992px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .info-block { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: calc(100vh - 70px);
    background: rgba(10, 10, 18, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 40px 24px;
    transition: right 0.3s ease;
    border-left: 1px solid var(--border-subtle);
  }

  .nav-links.open {
    right: 0;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .section { padding: 60px 0; }
  .section-title { font-size: 2rem; }
  .hero-stats { gap: 30px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .hero-desc { font-size: 1rem; }
  .stat-number { font-size: 2rem; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }
  .contact-form { padding: 24px; }
}