/* style.css */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: Arial, sans-serif; line-height: 1.6; color: #1f2937; background: #fff; }
a { text-decoration: none; color: inherit; }
.container { width: min(1100px, 92%); margin: 0 auto; }

.header {
  position: sticky; top: 0; background: #fff; border-bottom: 1px solid #e5e7eb; z-index: 10;
}
.nav {
  display: flex; align-items: center; justify-content: space-between; padding: 16px 0; position: relative;
}
.logo { font-weight: 700; font-size: 1.15rem; }
.menu { display: flex; gap: 20px; }
.menu-btn { display: none; background: none; border: 0; font-size: 1.8rem; cursor: pointer; }

.hero {
  padding: 96px 0; background: linear-gradient(180deg, #f4f7fb, #ffffff);
}
.hero-content { text-align: center; max-width: 820px; margin: 0 auto; }
.badge {
  display: inline-block; margin-bottom: 16px; padding: 8px 14px; border-radius: 999px;
  background: #e8f0ff; color: #1f5eff; font-weight: 700; font-size: 0.9rem;
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 4rem); line-height: 1.1; margin-bottom: 16px; }
.hero p { font-size: 1.1rem; color: #4b5563; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.section { padding: 72px 0; }
.section.alt { background: #f9fafb; }
.section h2 { margin-bottom: 24px; font-size: 2rem; }

.grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.card, .box, .cta-box {
  background: #fff; padding: 24px; border: 1px solid #e5e7eb; border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}
.card h3, .box h3 { margin-bottom: 10px; }
.card p { color: #4b5563; }

.split {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; align-items: start;
}
.box ul { list-style: disc; padding-left: 20px; color: #374151; }
.box li { margin-bottom: 8px; }

.cta { text-align: center; }
.cta-box p { margin: 12px 0 20px; color: #4b5563; }

.form {
  display: grid; gap: 14px; max-width: 560px;
}
input, textarea {
  width: 100%; padding: 14px; border: 1px solid #d1d5db; border-radius: 10px; font: inherit;
}
input:focus, textarea:focus {
  outline: none; border-color: #1f5eff; box-shadow: 0 0 0 3px rgba(31,94,255,0.12);
}

.btn {
  display: inline-block; background: #1f5eff; color: #fff; padding: 14px 22px;
  border: 0; border-radius: 10px; cursor: pointer; width: fit-content; font-weight: 700;
}
.btn-outline {
  background: transparent; color: #1f5eff; border: 2px solid #1f5eff;
}

.footer {
  padding: 24px 0; text-align: center; border-top: 1px solid #e5e7eb; color: #6b7280;
}

@media (max-width: 768px) {
  .menu-btn { display: block; }
  .menu {
    display: none; position: absolute; top: 68px; right: 0; background: #fff;
    flex-direction: column; padding: 16px; border: 1px solid #e5e7eb; border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  }
  .menu.open { display: flex; }
  .grid, .split { grid-template-columns: 1fr; }
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 14px;
  display: block;
}

@media (max-width: 768px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}