* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: #0b0f1a;
  color: #ffffff;
  overflow-x: hidden;
}

/* ===== PRELOADER ===== */
#preloader {
  position: fixed;
  inset: 0;
  background: #0b0f1a;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.loader {
  width: 50px;
  height: 50px;
  border: 5px solid #1f2937;
  border-top: 5px solid #38bdf8;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== PARTICLES ===== */
.particles span {
  position: fixed;
  width: 6px;
  height: 6px;
  background: rgba(56,189,248,0.3);
  border-radius: 50%;
  animation: float 20s linear infinite;
}

.particles span:nth-child(n) {
  left: calc(100% * var(--i));
}

@keyframes float {
  from { transform: translateY(100vh); }
  to { transform: translateY(-100vh); }
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  padding: 100px 20px;
  border-radius: 0 0 40px 40px;
  text-align: center;
}

.logo-text {
  font-size: 32px;
  font-weight: 700;
}

.logo-text span {
  color: #a5f3fc;
}

.hero h2 {
  font-size: 36px;
  margin-top: 15px;
}

.hero p {
  margin: 15px 0 30px;
  opacity: 0.9;
}

.btn-primary {
  display: inline-block;
  background: #000;
  color: #fff;
  padding: 14px 30px;
  border-radius: 30px;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

/* ===== FEATURES ===== */
.features {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.feature {
  background: rgba(0,0,0,0.2);
  padding: 12px 18px;
  border-radius: 20px;
}

/* ===== SECTIONS ===== */
.section {
  padding: 80px 20px;
  text-align: center;
}

.section h3 {
  font-size: 28px;
  margin-bottom: 20px;
}

/* ===== RATES ===== */
.rates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 20px;
  margin: 40px 0;
}

.rate-card {
  background: #111827;
  padding: 20px;
  border-radius: 16px;
  transition: transform 0.3s;
}

.rate-card span {
  display: block;
  margin-top: 10px;
  color: #38bdf8;
  font-weight: 600;
}

.rate-card:hover {
  transform: translateY(-5px);
}

/* ===== CALCULATOR ===== */
.calculator {
  max-width: 400px;
  margin: auto;
  background: #111827;
  padding: 30px;
  border-radius: 20px;
}

.calculator input,
.calculator select {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border-radius: 10px;
  border: none;
}

.result {
  margin-bottom: 20px;
}

/* ===== TRUST ===== */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 20px;
}

.trust-card {
  background: #111827;
  padding: 20px;
  border-radius: 16px;
}

/* ===== FOOTER ===== */
footer {
  padding: 30px;
  text-align: center;
  font-size: 14px;
  opacity: 0.7;
}

footer a {
  color: #38bdf8;
  text-decoration: none;
  margin: 0 5px;
}