/* ===================== RESET & BASE ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  color: var(--text-main);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'Outfit', sans-serif; line-height: 1.15; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ===================== UTILITIES ===================== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section--muted { background: var(--muted); }
.section--primary { background: var(--primary); color: var(--white); }
.text-center { text-align: center; }

.section-label {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section-title--white { color: var(--white); }
.section-subtitle { color: var(--text-muted); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.section-subtitle--white { color: #cbd5e1; }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 3rem;
  padding: 0 2rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, background 0.2s;
  text-align: center;
  justify-content: center;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--primary); color: var(--white); }
.btn--primary:hover { background: #1a3260; }
.btn--secondary { background: var(--secondary); color: var(--white); }
.btn--secondary:hover { background: var(--secondary-hover); }
.btn--outline { background: transparent; border: 2px solid var(--white); color: var(--white); }
.btn--outline:hover { background: var(--white); color: var(--primary); }
.btn--green { background: var(--green); color: var(--white); }
.btn--green:hover { background: var(--green-hover); }
.btn--lg { height: 3.5rem; padding: 0 2.5rem; font-size: 1rem; }

/* ===================== GRID HELPERS ===================== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 3.5rem 0; }
}

/* ===================== ANIMATIONS ===================== */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.5s, transform 0.5s; }
.fade-in.visible { opacity: 1; transform: translateY(0); }