:root {
  --blue-dark: #0b1f3a;
  --blue: #1a3d7c;
  --blue-light: #2f6fed;
  --white: #ffffff;
  --gray-light: #f4f6fb;
  --gray: #6b7280;
  --text: #1c2431;
  --radius: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

h1, h2, h3, .logo {
  font-family: 'Poppins', sans-serif;
}

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-size: 15px;
}

.btn-primary {
  background: var(--blue-light);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--blue);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
}

.btn-small {
  padding: 10px 20px;
  font-size: 14px;
  background: var(--blue-light);
  color: var(--white);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: var(--white);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--blue-dark);
}

.logo span {
  color: var(--blue-light);
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-weight: 500;
  color: var(--text);
  font-size: 15px;
}

.nav a:hover {
  color: var(--blue-light);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  color: var(--white);
  padding: 110px 0;
  text-align: center;
}

.hero-inner {
  max-width: 760px;
}

.hero h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.hero h1 span {
  color: #7fb0ff;
}

.hero p {
  font-size: 18px;
  color: #d7e0f2;
  margin-bottom: 36px;
}

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

/* Sections */
.section {
  padding: 90px 0;
}

.section h2 {
  font-size: 32px;
  text-align: center;
  color: var(--blue-dark);
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto 50px;
}

/* Services */
.services {
  background: var(--gray-light);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.card {
  background: var(--white);
  padding: 32px 28px;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(11,31,58,0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(11,31,58,0.1);
}

.card-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 19px;
  margin-bottom: 10px;
  color: var(--blue-dark);
}

.card p {
  color: var(--gray);
  font-size: 15px;
}

/* About */
.about-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  text-align: left;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--gray);
  margin-bottom: 16px;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stat {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.stat strong {
  display: block;
  font-size: 30px;
  color: var(--blue-light);
  font-family: 'Poppins', sans-serif;
}

.stat span {
  color: var(--gray);
  font-size: 14px;
}

/* Differentials */
.differentials {
  background: var(--gray-light);
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.diff-item {
  background: var(--white);
  padding: 26px;
  border-left: 4px solid var(--blue-light);
  border-radius: 8px;
}

.diff-item h3 {
  color: var(--blue-dark);
  margin-bottom: 8px;
  font-size: 18px;
}

.diff-item p {
  color: var(--gray);
  font-size: 15px;
}

/* Contact */
.contact-inner {
  max-width: 620px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #d9dfe8;
  border-radius: 8px;
  font-family: inherit;
  font-size: 15px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue-light);
}

.contact-form button {
  align-self: flex-start;
}

/* Footer */
.footer {
  background: var(--blue-dark);
  color: #b9c4dc;
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .hero h1 {
    font-size: 32px;
  }

  .about-inner {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
  }
}