/* ===================================
   SiteAssurance — Base & Reset
   =================================== */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-user-select: none;
  user-select: none;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-normal);
  color: var(--color-ink);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); font-weight: var(--weight-semibold); }
h4 { font-size: var(--text-lg); font-weight: var(--weight-semibold); }

p {
  color: var(--color-text-secondary);
  max-width: 60ch;
}

em {
  font-style: italic;
  color: var(--color-teal);
}

a {
  color: var(--color-teal);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--color-teal-light);
}

a:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

strong {
  font-weight: var(--weight-semibold);
  color: var(--color-ink);
}

ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

address { font-style: normal; }

::selection {
  background-color: var(--color-lime);
  color: var(--color-noir);
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ---- Section Tag ---- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: var(--space-md);
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--color-teal);
  border-radius: 1px;
}

.section-header {
  text-align: center;
  max-width: var(--container-narrow);
  margin-inline: auto;
  margin-bottom: var(--space-3xl);
}

.section-header .section-tag {
  justify-content: center;
}

.section-header .section-tag::before {
  display: none;
}

.section-header p {
  margin-inline: auto;
  margin-top: var(--space-md);
  font-size: var(--text-md);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
}

.btn-primary {
  background: var(--color-teal);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-teal-light);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-teal-subtle);
  border-color: var(--color-teal);
  color: var(--color-teal);
}

.btn-full {
  width: 100%;
  padding: 16px 28px;
}

.required {
  color: var(--color-teal);
}