/* ========================================
   ZFH SYED LLC - Global Styles
   Dark theme, modern, no frameworks
   ======================================== */

/* CSS Variables */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --bg-glass: rgba(22, 22, 22, 0.7);
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent-cyan: #00d4ff;
  --accent-blue: #4a7dff;
  --accent-purple: #a855f7;
  --accent-gradient: linear-gradient(135deg, #00d4ff, #4a7dff, #a855f7);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 212, 255, 0.3);
  --font-main: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

/* Selection */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #444;
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
}

.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);
}

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

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
}

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

.header.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

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

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

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

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

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

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

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

.hero-orb:nth-child(1) {
  width: 400px;
  height: 400px;
  background: var(--accent-blue);
  top: 10%;
  left: -5%;
  animation-delay: 0s;
}

.hero-orb:nth-child(2) {
  width: 300px;
  height: 300px;
  background: var(--accent-purple);
  bottom: 10%;
  right: -5%;
  animation-delay: -3s;
}

.hero-orb:nth-child(3) {
  width: 250px;
  height: 250px;
  background: var(--accent-cyan);
  top: 40%;
  right: 20%;
  opacity: 0.25;
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 500px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

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

.hero-visual-inner {
  position: relative;
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1;
  border-radius: 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;
  padding: 40px;
}

.hero-visual-inner::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 24px;
  padding: 1px;
  background: var(--accent-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.5;
}

.code-block {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 20px;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px solid var(--border-color);
}

.code-line {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.code-keyword { color: var(--accent-purple); }
.code-string { color: var(--accent-cyan); }
.code-comment { color: var(--text-muted); }
.code-func { color: var(--accent-blue); }

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* ========================================
   Card Component
   ======================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  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(-4px);
  border-color: rgba(0, 212, 255, 0.15);
  box-shadow: var(--shadow-glow);
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ========================================
   Grid Layouts
   ======================================== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

/* ========================================
   Stats Section
   ======================================== */
.stats-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ========================================
   Feature List
   ======================================== */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-item:hover {
  border-color: rgba(0, 212, 255, 0.15);
}

.feature-bullet {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-cyan);
  font-size: 0.8rem;
}

.feature-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.feature-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 80px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.cta-box p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand .logo {
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-weight: 600;
}

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
  font-size: 0.9rem;
}

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

/* ========================================
   Page Header
   ======================================== */
.page-header {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.06) 0%, transparent 60%);
}

.page-header h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1px;
  position: relative;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* ========================================
   Content Pages (Privacy, Terms)
   ======================================== */
.content-page {
  padding-bottom: 100px;
}

.content-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.content-wrapper h2 {
  font-size: 1.5rem;
  margin: 40px 0 16px;
  font-weight: 700;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.content-wrapper h3 {
  font-size: 1.2rem;
  margin: 28px 0 12px;
  color: var(--accent-cyan);
  font-weight: 600;
}

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

.content-wrapper ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

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

.content-wrapper a {
  color: var(--accent-cyan);
  border-bottom: 1px dotted rgba(0, 212, 255, 0.4);
}

.content-wrapper a:hover {
  border-bottom-style: solid;
}

.effective-date {
  display: inline-block;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ========================================
   Contact Page
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 24px;
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.2rem;
  flex-shrink: 0;
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.contact-item strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
}

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

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  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-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

/* ========================================
   Industries / Tags
   ======================================== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.tag {
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: var(--transition);
}

.tag:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* ========================================
   Team Section (Anonymous)
   ======================================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  border-color: rgba(0, 212, 255, 0.15);
  transform: translateY(-4px);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent-gradient);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  opacity: 0.9;
}

.team-card h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.team-card span {
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 500;
}

.team-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 12px;
  line-height: 1.6;
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section-header h2 {
    font-size: 2.2rem;
  }

  .hero-content h1 {
    font-size: 2.8rem;
  }

  .page-header h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
    backdrop-filter: blur(20px);
  }

  .nav.active {
    display: block;
  }

  .nav ul {
    flex-direction: column;
    gap: 16px;
  }

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

  .grid-3,
  .grid-4,
  .stats-grid,
  .footer-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .section-padding {
    padding: 60px 0;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}