/* ===== CSS Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #0a0e27;
  color: #ffffff;
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: #5b9eff; text-decoration: none; transition: color 0.3s; }
a:hover { color: #8abfff; }
ul { list-style: none; }

/* ===== Utility Classes ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-4 { margin-top: 4rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 4rem; }

/* ===== Header & Navigation ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}
header.scrolled { box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5); }
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}
.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.5px;
}
.nav-logo span { color: #5b9eff; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  color: #b8c7e0;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #5b9eff;
  transition: width 0.3s ease;
}
.nav-links a:hover { color: #ffffff; }
.nav-links a:hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: #ffffff; margin: 5px 0; border-radius: 3px; transition: all 0.3s ease; }

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(91, 158, 255, 0.12), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(120, 100, 255, 0.08), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-block;
  background: rgba(91, 158, 255, 0.15);
  color: #5b9eff;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}
.hero h1 span { color: #5b9eff; display: block; }
.hero-lead {
  font-size: 1.15rem;
  color: #8899bb;
  margin-bottom: 36px;
  line-height: 1.8;
  max-width: 520px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: #5b9eff; color: #0a0e27; }
.btn-primary:hover { background: #7ab4ff; color: #0a0e27; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(91, 158, 255, 0.3); }
.btn-secondary { background: transparent; color: #ffffff; border: 2px solid rgba(255, 255, 255, 0.2); }
.btn-secondary:hover { border-color: #ffffff; transform: translateY(-2px); }
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-card {
  background: linear-gradient(135deg, rgba(20, 28, 60, 0.9), rgba(30, 40, 80, 0.9));
  border: 1px solid rgba(91, 158, 255, 0.2);
  border-radius: 20px;
  padding: 48px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  max-width: 420px;
}
.hero-card-icon {
  width: 80px;
  height: 80px;
  background: rgba(91, 158, 255, 0.15);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2rem;
}
.hero-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.hero-card p { color: #8899bb; font-size: 0.95rem; line-height: 1.7; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
.hero-stat { text-align: center; padding: 16px; background: rgba(255, 255, 255, 0.03); border-radius: 12px; }
.hero-stat-num { font-size: 1.8rem; font-weight: 800; color: #5b9eff; display: block; }
.hero-stat-label { font-size: 0.75rem; color: #8899bb; text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* ===== Section Common ===== */
section { padding: 100px 0; }
.section-label {
  color: #5b9eff;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}
.section-subtitle {
  color: #8899bb;
  font-size: 1.1rem;
  max-width: 640px;
}

/* ===== Services Section ===== */
.services { background: #0d1133; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 56px;
}
.service-card {
  background: rgba(20, 28, 60, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 36px;
  transition: all 0.3s ease;
}
.service-card:hover { transform: translateY(-8px); border-color: rgba(91, 158, 255, 0.3); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3); }
.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(91, 158, 255, 0.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.service-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.service-card p { color: #8899bb; font-size: 0.95rem; line-height: 1.7; }

/* ===== Process Section ===== */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 56px; position: relative; }
.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: rgba(91, 158, 255, 0.2);
  z-index: 0;
}
.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-number {
  width: 56px;
  height: 56px;
  background: #5b9eff;
  color: #0a0e27;
  font-weight: 800;
  font-size: 1.3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.step-card h4 { font-size: 1.1rem; margin-bottom: 8px; }
.step-card p { color: #8899bb; font-size: 0.9rem; }

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 56px;
}
.about-text p {
  color: #8899bb;
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.about-feature { display: flex; align-items: flex-start; gap: 12px; }
.about-feature-icon { color: #5b9eff; font-size: 1.3rem; flex-shrink: 0; margin-top: 3px; }
.about-feature h5 { font-size: 0.95rem; margin-bottom: 4px; }
.about-feature p { font-size: 0.85rem; color: #8899bb; }
.about-visual {
  background: linear-gradient(135deg, rgba(20, 28, 60, 0.8), rgba(30, 40, 80, 0.6));
  border-radius: 20px;
  padding: 48px;
  border: 1px solid rgba(91, 158, 255, 0.1);
  text-align: center;
}
.about-visual-num {
  font-size: 4rem;
  font-weight: 800;
  color: #5b9eff;
  display: block;
  line-height: 1;
}
.about-visual-label { color: #8899bb; font-size: 1rem; margin-top: 8px; }

/* ===== Contact Section ===== */
.contact { background: #0d1133; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 56px;
}
.contact-info-card {
  background: rgba(20, 28, 60, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 36px;
}
.contact-info-card h3 { font-size: 1.3rem; margin-bottom: 24px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.contact-item-icon {
  width: 44px;
  height: 44px;
  background: rgba(91, 158, 255, 0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item h5 { font-size: 0.9rem; color: #8899bb; margin-bottom: 4px; }
.contact-item p { font-size: 0.95rem; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(20, 28, 60, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: #ffffff;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.3s;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: #5b9eff; }
.contact-form textarea { min-height: 140px; resize: vertical; }
.form-status { padding: 12px 18px; border-radius: 8px; font-size: 0.9rem; display: none; }
.form-status.success { display: block; background: rgba(34, 197, 94, 0.15); color: #22c55e; border: 1px solid rgba(34, 197, 94, 0.3); }
.form-status.error { display: block; background: rgba(239, 68, 68, 0.15); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.3); }

/* ===== Footer ===== */
footer {
  background: #070a1c;
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand h3 { font-size: 1.3rem; margin-bottom: 12px; }
.footer-brand h3 span { color: #5b9eff; }
.footer-brand p { color: #8899bb; font-size: 0.9rem; line-height: 1.7; }
.footer-links h4 { font-size: 0.95rem; margin-bottom: 16px; color: #ffffff; }
.footer-links a { display: block; color: #8899bb; font-size: 0.9rem; margin-bottom: 10px; transition: color 0.3s; }
.footer-links a:hover { color: #5b9eff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #667799;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom a { color: #667799; }
.footer-bottom a:hover { color: #5b9eff; }

/* ===== Policy Pages ===== */
.policy-page { padding: 140px 0 80px; min-height: 100vh; }
.policy-page .container { max-width: 860px; }
.policy-page h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -1px;
}
.policy-page .policy-date {
  color: #8899bb;
  font-size: 0.95rem;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.policy-page h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 16px;
  color: #5b9eff;
  counter-increment: clause;
}
.policy-page h2::before {
  content: counter(clause) '. ';
}
.policy-page p {
  color: #b8c7e0;
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: 16px;
}
.policy-page { counter-reset: clause; }

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: all 0.6s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
.hero-card-icon { animation: float 4s ease-in-out infinite; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .hero h1 { font-size: 2.8rem; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.98);
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    gap: 16px;
  }
  .nav-toggle { display: block; }
  .hero { padding: 100px 0 60px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .hero-stat-num { font-size: 1.4rem; }
  .hero-card { padding: 32px; }
  .section-title { font-size: 2rem; }
  .services-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .policy-page h1 { font-size: 2rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .section-title { font-size: 1.6rem; }
  .hero-stats { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
}