/* ===== CSS Variables ===== */
:root {
  --primary: #4f46e5;
  --primary-light: #6366f1;
  --primary-dark: #3730a3;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --bg-dark: #0b0f1a;
  --bg-surface: #111827;
  --bg-surface-light: #1e293b;
  --bg-card: #1a2236;
  --text-white: #ffffff;
  --text-light: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dark: #1e293b;
  --border-color: #2a3550;
  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --gradient-hero: linear-gradient(135deg, #0b0f1a 0%, #111827 50%, #1a2236 100%);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(79, 70, 229, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 16px;
  position: relative;
  padding-left: 40px;
}

.section-tag::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 28px;
  height: 2px;
  background: var(--primary-light);
  transform: translateY(-50%);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.8;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }
.text-center .section-tag { padding-left: 0; }
.text-center .section-tag::before { display: none; }

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

.navbar.scrolled {
  background: rgba(11, 15, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 1px 30px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(79, 70, 229, 0.1);
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.5px;
}

.navbar-brand .brand-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: white;
}

.navbar-brand span { color: var(--primary-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-white);
  background: rgba(79, 70, 229, 0.1);
}

.nav-links .nav-cta {
  background: var(--gradient-primary);
  color: white !important;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.nav-links .nav-cta:hover {
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
  transform: translateY(-1px);
  background: var(--gradient-primary);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.mobile-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text-white);
  transition: var(--transition);
  border-radius: 2px;
}

.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

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

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-content { position: relative; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(79, 70, 229, 0.1);
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--primary-light);
  margin-bottom: 28px;
  font-weight: 500;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--text-white);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero h1 .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 540px;
  margin-bottom: 36px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79, 70, 229, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-white);
  border: 1.5px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--primary-light);
  background: rgba(79, 70, 229, 0.1);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

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

.hero-grid-card {
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  backdrop-filter: blur(10px);
}

.grid-display {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.grid-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.grid-item:hover {
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.grid-item .icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
  display: block;
}

.grid-item h4 {
  font-size: 0.9rem;
  color: var(--text-white);
  margin-bottom: 4px;
}

.grid-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

/* ===== Services Section ===== */
.services {
  background: var(--bg-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}

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

.service-card:hover {
  border-color: rgba(79, 70, 229, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(79, 70, 229, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  color: white;
}

.service-card h3 {
  font-size: 1.2rem;
  color: var(--text-white);
  margin-bottom: 12px;
  font-weight: 700;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 20px;
  line-height: 1.2;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.02rem;
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: rgba(79, 70, 229, 0.3);
  transform: translateY(-2px);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ===== Values Section ===== */
.values {
  background: var(--bg-surface);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.value-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  border-color: rgba(79, 70, 229, 0.3);
  box-shadow: var(--shadow-glow);
}

.value-card .icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
  display: block;
}

.value-card h4 {
  color: var(--text-white);
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.value-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ===== Process Section ===== */
.process {
  background: var(--bg-dark);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 56px;
  position: relative;
}

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

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 28px;
  right: -10px;
  width: calc(100% - 60px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), transparent);
  z-index: 0;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary-light);
  margin: 0 auto 16px;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.process-step:hover .step-number {
  background: var(--gradient-primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(79, 70, 229, 0.3);
}

.process-step h4 {
  font-size: 1rem;
  color: var(--text-white);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== Contact Section ===== */
.contact {
  background: var(--bg-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-top: 56px;
}

.contact-info h3 {
  font-size: 1.8rem;
  color: var(--text-white);
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 36px;
  font-size: 1.02rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.contact-item .icon-box {
  width: 48px;
  height: 48px;
  background: rgba(79, 70, 229, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-item h5 {
  color: var(--text-white);
  font-size: 0.95rem;
  margin-bottom: 2px;
}

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

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

.contact-form h4 {
  font-size: 1.3rem;
  color: var(--text-white);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand .navbar-brand {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 340px;
}

.footer h4 {
  color: var(--text-white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 6px 0;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-contact p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
  line-height: 1.6;
}

.footer-contact strong {
  color: var(--text-light);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  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(--primary-light);
}

/* ===== Legal Pages (Privacy & Terms) ===== */
.legal-page {
  background: var(--bg-surface);
  min-height: 100vh;
}

.legal-header {
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border-color);
  padding: 140px 0 40px;
}

.legal-header h1 {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 8px;
}

.legal-header .meta {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.legal-content {
  padding: 60px 0 80px;
}

.legal-content .container {
  max-width: 860px;
}

.legal-section {
  margin-bottom: 40px;
}

.legal-section:last-child { margin-bottom: 0; }

.legal-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.legal-section h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 10px;
  margin-top: 24px;
}

.legal-section p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 14px;
}

.legal-section ul {
  padding-left: 24px;
  margin-bottom: 14px;
}

.legal-section ul li {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.8;
  list-style: disc;
  margin-bottom: 6px;
}

.legal-section strong {
  color: var(--text-light);
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-light);
  font-weight: 500;
  margin-bottom: 32px;
  transition: var(--transition);
}

.legal-back:hover {
  gap: 12px;
  color: var(--accent);
}

/* ===== Scroll Animations ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.fade-in.visible { opacity: 1; }

/* ===== Toast Notification ===== */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 16px 28px;
  border-radius: var(--radius-sm);
  background: #10b981;
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 9999;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.error {
  background: #ef4444;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero h1 { font-size: 3rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .process-step:nth-child(3)::after { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { order: -1; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 4px;
    transition: var(--transition);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
    border-left: 1px solid var(--border-color);
  }

  .nav-links.active { right: 0; }
  .mobile-toggle { display: flex; }

  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .hero-buttons { flex-direction: column; }
  .btn-lg { padding: 14px 32px; font-size: 0.95rem; }
  .grid-display { gap: 12px; }
  .hero-grid-card { padding: 24px; }

  .section { padding: 64px 0; }
  .section-title { font-size: 1.8rem; }
  .services-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; gap: 32px; }
  .process-step:not(:last-child)::after { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .legal-header h1 { font-size: 2rem; }
  .legal-content { padding: 40px 0; }
  .footer-bottom { flex-direction: column; text-align: center; }
}