/* ── Reset & Base ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: #1a1a1a;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ── Layout ── */
.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }
section { padding: 64px 0; }
section + section { border-top: 1px solid #e5e7eb; }

/* ── Nav ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
  padding: 14px 0;
}
nav .container { display: flex; justify-content: space-between; align-items: center; }
nav .brand { font-weight: 700; font-size: 1.1rem; color: #1a1a1a; }
nav .links { display: flex; gap: 24px; }
nav .links a { color: #555; font-size: 0.9rem; font-weight: 500; }
nav .links a:hover { color: #1a1a1a; text-decoration: none; }

/* ── Hero ── */
.hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid #e5e7eb;
}
.hero h1 { font-size: 2.4rem; font-weight: 800; line-height: 1.15; margin-bottom: 16px; }
.hero .subtitle {
  font-size: 1.15rem; color: #555; max-width: 680px; margin-bottom: 28px; line-height: 1.5;
}
.hero .stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero .stat { text-align: left; }
.hero .stat .num { font-size: 1.8rem; font-weight: 800; color: #1a1a1a; }
.hero .stat .label { font-size: 0.85rem; color: #777; }

/* ── Section headings ── */
section h2 {
  font-size: 1.5rem; font-weight: 700; margin-bottom: 8px;
}
section .section-lead {
  font-size: 1rem; color: #555; margin-bottom: 32px; max-width: 640px;
}

/* ── About ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.about-grid h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: #333; }
.about-grid p, .about-grid li { font-size: 0.92rem; color: #444; }
.about-grid ul { list-style: none; padding: 0; }
.about-grid ul li { padding: 4px 0; padding-left: 16px; position: relative; }
.about-grid ul li::before { content: '\2022'; position: absolute; left: 0; color: #999; }

/* ── Training ── */
.training-card {
  background: #f8f9fa;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 20px;
}
.training-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.training-card p { font-size: 0.92rem; color: #555; }
.training-tiers { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }
.tier {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}
.tier h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.tier .price { font-size: 1.4rem; font-weight: 800; color: #1a1a1a; margin-bottom: 8px; }
.tier .price span { font-size: 0.85rem; font-weight: 400; color: #777; }
.tier ul { list-style: none; padding: 0; }
.tier ul li {
  font-size: 0.88rem; color: #555; padding: 4px 0; padding-left: 20px; position: relative;
}
.tier ul li::before { content: '\2713'; position: absolute; left: 0; color: #22c55e; font-weight: 700; }

/* ── Portfolio ── */
.portfolio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.portfolio-item {
  background: #f8f9fa;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}
.portfolio-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.portfolio-item .meta { font-size: 0.8rem; color: #999; margin-bottom: 8px; }
.portfolio-item p { font-size: 0.88rem; color: #555; }

/* ── CTA ── */
.cta-section {
  background: #1a1a1a;
  color: #fff;
  text-align: center;
  padding: 64px 0;
  border-top: none;
}
.cta-section h2 { color: #fff; margin-bottom: 12px; }
.cta-section p { color: #aaa; margin-bottom: 28px; }
.cta-section .btn {
  display: inline-block;
  background: #2563eb;
  color: #fff;
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.15s;
}
.cta-section .btn:hover { background: #1d4ed8; text-decoration: none; }

/* ── Footer ── */
footer {
  padding: 32px 0;
  border-top: 1px solid #e5e7eb;
  text-align: center;
  font-size: 0.85rem;
  color: #999;
}
footer a { color: #777; }

/* ── Responsive ── */
@media (max-width: 700px) {
  .hero h1 { font-size: 1.8rem; }
  .hero .stats { gap: 24px; }
  .about-grid, .training-tiers, .portfolio-grid { grid-template-columns: 1fr; }
  nav .links { gap: 16px; }
  section { padding: 48px 0; }
}