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

:root {
  --primary: #0b63f6;
  --primary-dark: #0848b8;
  --accent: #ff7a00;
  --dark: #1a1f36;
  --gray: #5a6478;
  --light: #f5f7fb;
  --white: #ffffff;
  --shadow: 0 6px 20px rgba(10, 30, 80, 0.08);
  --radius: 10px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.7;
  color: var(--dark);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--primary-dark);
}

/* ===== Header ===== */
.site-header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  gap: 20px;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
}
.logo span {
  color: var(--primary);
}

.main-nav {
  display: flex;
  gap: 25px;
}
.main-nav a {
  color: var(--dark);
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover {
  color: var(--primary);
}

.cta-header {
  background: var(--primary);
  color: var(--white) !important;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s ease;
}
.cta-header:hover {
  background: var(--primary-dark);
  color: var(--white) !important;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #0b63f6 0%, #0848b8 100%);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.4rem;
  line-height: 1.3;
  margin-bottom: 20px;
  font-weight: 800;
}

.hero-sub {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 30px;
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--white) !important;
}
.btn-primary:hover {
  background: #e06a00;
  transform: translateY(-2px);
  color: var(--white) !important;
}

.btn-outline {
  background: transparent;
  color: var(--white) !important;
  border: 2px solid var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--primary) !important;
}

/* ===== Article ===== */
.article {
  padding: 60px 20px;
  max-width: 900px;
}

.article section {
  margin-bottom: 50px;
}

.article h2 {
  font-size: 1.8rem;
  margin-bottom: 18px;
  color: var(--dark);
  border-left: 5px solid var(--primary);
  padding-left: 15px;
}

.article h3 {
  font-size: 1.25rem;
  margin: 25px 0 12px;
  color: var(--primary-dark);
}

.article p {
  margin-bottom: 16px;
  color: #3a4256;
  font-size: 1.02rem;
}

.article ul {
  margin: 15px 0 20px 20px;
}
.article ul li {
  margin-bottom: 8px;
  color: #3a4256;
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--light);
  padding: 20px 25px;
  border-radius: var(--radius);
  margin-bottom: 15px;
  border-left: 4px solid var(--primary);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.faq-item h3 {
  margin-top: 0;
  color: var(--dark);
  font-size: 1.1rem;
}
.faq-item p {
  margin-bottom: 0;
}

/* ===== Contact ===== */
.contact {
  background: var(--light);
  padding: 70px 0;
  text-align: center;
}
.contact h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}
.contact > .container > p {
  color: var(--gray);
  margin-bottom: 30px;
  font-size: 1.05rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 35px;
}

.contact-card {
  background: var(--white);
  padding: 25px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}
.contact-card:hover {
  transform: translateY(-4px);
}
.contact-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--primary);
}
.contact-card p {
  font-size: 1rem;
  color: var(--dark);
}
.contact-card a {
  font-weight: 600;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: #c7cde0;
  padding: 25px 0;
  text-align: center;
  font-size: 0.95rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero {
    padding: 60px 0;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .hero-sub {
    font-size: 1rem;
  }
  .article h2 {
    font-size: 1.5rem;
  }
  .article h3 {
    font-size: 1.15rem;
  }
  .main-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 15px;
    font-size: 0.9rem;
  }
  .cta-header {
    font-size: 0.85rem;
    padding: 8px 14px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }
  .btn {
    padding: 12px 20px;
    font-size: 0.95rem;
    width: 100%;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .article {
    padding: 40px 15px;
  }
}