/* Base reset + shared marketing styles */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.container-sm { max-width: 820px; margin: 0 auto; padding: 0 32px; }
section { padding: 96px 0; }
@media (max-width: 720px) { section { padding: 64px 0; } .container, .container-sm { padding: 0 20px; } }

/* Button */
.btn { font-family: var(--font-sans); font-weight: 500; font-size: 15px; padding: 13px 22px; border-radius: var(--radius-md); border: 1px solid transparent; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: all var(--dur-fast) var(--ease-out); text-decoration: none; line-height: 1; }
.btn.primary { background: var(--brand-teal); color: #fff; }
.btn.primary:hover { background: var(--teal-700); }
.btn.dark { background: var(--ink-950); color: var(--paper); }
.btn.dark:hover { background: var(--ink-700); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--ink-900); border-color: var(--color-border); }
.btn.ghost:hover { background: var(--paper-2); }
.btn.link { background: transparent; color: var(--brand-teal); padding: 0; border: 0; }
.btn.link:hover { color: var(--teal-700); border-bottom: 1px solid currentColor; }

/* Eyebrow helper */
.eyebrow-block { text-align: center; margin-bottom: 14px; }

/* Section heading */
.section-head { text-align: center; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(32px, 5vw, 48px); margin: 0 0 14px; }
.section-head p { color: var(--color-fg-muted); font-size: 18px; max-width: 620px; margin: 0 auto; }

/* Grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

/* Cards */
.card { background: var(--white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-xs); transition: all var(--dur-med) var(--ease-out); }
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }