/* SEL Base — typography, layout primitives */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--sel-ink);
  background: var(--sel-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Sections */
section {
  padding-block: var(--section-pad);
}

/* Type scale */
.t-hero {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  line-height: 1.0;
  letter-spacing: -0.025em;
  color: var(--sel-blue-ink);
}

h1, .t-h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--sel-blue-ink);
}

h2, .t-h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  line-height: 1.1;
  color: var(--sel-blue-ink);
}

h3, .t-h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  line-height: 1.2;
  color: var(--sel-blue-ink);
}

p {
  max-width: 62ch;
  color: var(--sel-ink);
}

p + p {
  margin-top: 1em;
}

.t-meta {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--sel-ink-3);
  line-height: 1.5;
}

.t-eyebrow {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sel-green-ink);
  display: block;
  margin-bottom: 0.75rem;
}

.t-hand {
  font-family: var(--font-hand);
  font-size: 1.5rem;
  color: var(--sel-ink);
}

.t-italic-salmon {
  font-style: italic;
  color: var(--sel-salmon);
}

/* Link reset */
a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

.text-center { text-align: center; }
.text-left   { text-align: left; }

.mt-sm  { margin-top: 0.5rem; }
.mt-md  { margin-top: 1rem; }
.mt-lg  { margin-top: 2rem; }
.mt-xl  { margin-top: 3rem; }

.mb-sm  { margin-bottom: 0.5rem; }
.mb-md  { margin-bottom: 1rem; }
.mb-lg  { margin-bottom: 2rem; }

.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }
.gap-lg { gap: 2rem; }

/* Background utils */
.bg-paper   { background: var(--sel-paper); }
.bg-paper-2 { background: var(--sel-paper-2); }
.bg-blue    { background: var(--sel-blue); }
.bg-green-mist { background: var(--sel-green-mist); }

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--sel-line);
  margin-block: 2rem;
}

/* Proof points row */
.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  margin-top: 1.5rem;
}

.proof-row__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 15px;
  color: var(--sel-ink-3);
  font-family: var(--font-sans);
}

.proof-row__item svg {
  flex-shrink: 0;
  color: var(--sel-green-ink);
}

/* Responsive helpers */
@media (max-width: 767px) {
  .hide-mobile { display: none; }
}
@media (min-width: 768px) {
  .hide-desktop { display: none; }
}