/* ============================================================
   base.css – Thiết lập nền tảng, Reset, Typography chuẩn doanh nghiệp
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

ul {
  list-style: none;
}

/* ---------- CONTAINER ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- SECTION BASE ---------- */
.section {
  padding: 72px 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--brand-navy);
  background: var(--color-blue-light);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  border: 1px solid rgba(10, 37, 107, 0.08);
}

.section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-red);
}

.section-title {
  font-family: var(--font-sans);
  font-size: 30px;
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.section-header {
  margin-bottom: 44px;
}

.section-header.text-center {
  text-align: center;
}

/* ---------- RESPONSIVE TEXT VARIANTS (GIỮ NGUYÊN NỘI DUNG) ---------- */
.desktop-text { display: none; }
.mobile-text  { display: inline; }

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */
@media (min-width: 768px) {
  .section { padding: 90px 0; }
  .section-title { font-size: 36px; }
}

@media (min-width: 1024px) {
  .section { padding: 108px 0; }
  .section-title { font-size: 42px; }
}

@media (min-width: 1024px) and (pointer: fine) {
  .mobile-text  { display: none; }
  .desktop-text { display: inline; }
}