/* ══════════════════════════════════════════════════════════════════
   Groundwork — base.css
   Global reset, typography, utilities, and shared components.
   Design tokens are injected via functions.php from client-config.php.
   ══════════════════════════════════════════════════════════════════ */

/* ── RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background: var(--color-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img, video, svg { max-width: 100%; display: block; height: auto; }
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ── SKIP LINK */
.skip-link {
    position: absolute; top: -100px; left: var(--space-4); z-index: 9999;
    background: var(--color-primary); color: var(--color-white);
    padding: 10px 20px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600;
    transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--space-4); outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* ── LAYOUT */
.wrap {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad);
}
.section { padding: clamp(64px, 10vw, 120px) var(--pad); }
.section--cream  { background: var(--color-surface); }
.section--white  { background: var(--color-white); }
.section--navy   { background: var(--color-primary); }
.section--amber  { background: var(--color-accent); }

/* ── TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-heading);
}
h1 { font-size: clamp(36px, 6vw, 72px); }
h2 { font-size: clamp(28px, 4vw, 48px); }
h3 { font-size: clamp(20px, 2.5vw, 28px); }
h4 { font-size: 20px; font-weight: 700; }
h5 { font-size: 14px; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
h6 { font-size: 12px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

.eyebrow {
    display: block;
    font-family: var(--font-body);
    font-size: 12px; font-weight: 600;
    letter-spacing: .2em; text-transform: uppercase;
    color: var(--color-accent); margin-bottom: var(--space-4);
}

/* ── BUTTONS */
.btn {
    display: inline-block;
    font-family: var(--font-body); font-weight: 600; font-size: 15px;
    padding: 14px 28px; border-radius: var(--radius-sm);
    border: 2px solid transparent;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
    white-space: nowrap; cursor: pointer; text-decoration: none;
    line-height: 1;
}
.btn:hover { text-decoration: none; }
.btn--primary {
    background: var(--color-cta-bg); color: var(--color-cta-text);
    border-color: var(--color-cta-bg);
}
.btn--primary:hover { opacity: .88; }
.btn--outline-light {
    background: transparent; color: var(--color-primary);
    border-color: rgba(12,35,64,.3);
}
.btn--outline-light:hover { border-color: var(--color-primary); }
.btn--outline-dark {
    background: transparent; color: var(--color-white);
    border-color: rgba(255,255,255,.35);
}
.btn--outline-dark:hover { border-color: var(--color-white); color: var(--color-white); }
.btn--navy {
    background: var(--color-primary); color: var(--color-white);
    border-color: var(--color-primary);
}
.btn--navy:hover { background: transparent; color: var(--color-primary); }

/* ── LOGO */
.logo { display: inline-flex; align-items: baseline; gap: 7px; text-decoration: none; }
.logo__pre  { font-family: var(--font-body); font-weight: 400; color: var(--color-accent); }
.logo__main { font-family: var(--font-display); font-weight: 800; color: var(--color-primary); letter-spacing: -.01em; line-height: 1; }

/* ── NAV */
.nav {
    position: sticky; top: 0; z-index: 99;
    background: var(--color-nav-bg);
    border-bottom: 1px solid var(--color-border);
}
.nav__inner {
    max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad);
    height: 76px; display: flex; align-items: center;
    justify-content: space-between; gap: var(--space-6);
}
.nav__logo { flex-shrink: 0; }
.nav__links { display: none; gap: var(--space-7); list-style: none; }
.nav__links li { display: flex; align-items: center; }
.nav__links a {
    font-size: 15px; color: var(--color-text-soft);
    transition: color var(--transition-fast); text-decoration: none;
}
.nav__links a:hover,
.nav__links a[aria-current] { color: var(--color-primary); }
.nav__cta { font-size: 14px; padding: 12px 24px; }
@media (min-width: 768px) { .nav__links { display: flex; } }

/* Inverse nav (for pages with dark hero) */
.nav--inverse { background: var(--color-primary); border-bottom-color: rgba(255,255,255,.1); }
.nav--inverse .logo__main { color: var(--color-white); }
.nav--inverse .nav__links a { color: rgba(255,255,255,.65); }
.nav--inverse .nav__links a:hover { color: var(--color-white); }

/* ── SECTION LABEL */
.section-label {
    display: block; font-size: 12px; font-weight: 600;
    letter-spacing: .2em; text-transform: uppercase;
    color: var(--color-accent); margin-bottom: var(--space-4);
}

/* ── FOOTER */
.footer { background: var(--color-footer-bg); padding: 64px var(--pad) 36px; }
.footer__grid {
    display: grid; gap: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid rgba(255,255,255,.08);
    margin-bottom: var(--space-6);
}
.footer__brand .logo__a { color: var(--color-accent); }
.footer__brand .logo__main { color: var(--color-white); }
.footer__tagline { font-size: 14px; color: rgba(255,255,255,.5); margin-top: var(--space-4); line-height: 1.6; }
.footer__col h5 { color: rgba(255,255,255,.4); margin-bottom: var(--space-4); }
.footer__col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__col a { font-size: 15px; color: rgba(255,255,255,.6); transition: color var(--transition-fast); text-decoration: none; }
.footer__col a:hover { color: var(--color-accent); }
.footer__bottom {
    display: flex; flex-wrap: wrap; gap: var(--space-3);
    justify-content: space-between; align-items: center;
}
.footer__bottom p { font-size: 13px; color: rgba(255,255,255,.4); }
@media (min-width: 768px) { .footer__grid { grid-template-columns: 1fr 1fr 1fr; } }

/* ── FOCUS STATES (WCAG 2.2 AA) */
:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 2px;
}

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

/* ── FAQ ACCORDION */
.faq__item { border-bottom: 1px solid var(--color-border); }
.faq__item:first-child { border-top: 1px solid var(--color-border); }
.faq__trigger {
    width: 100%; text-align: left; background: none; border: none;
    padding: var(--space-6) 0; cursor: pointer;
    display: flex; justify-content: space-between; align-items: center; gap: var(--space-5);
    font-family: var(--font-display); font-weight: 700; font-size: 17px;
    color: var(--color-primary); line-height: 1.3;
    transition: color var(--transition-fast);
}
.faq__trigger .faq__icon {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--color-surface); flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: var(--color-accent);
    transition: background var(--transition-fast), color var(--transition-fast);
    font-family: var(--font-body); line-height: 1;
}
.faq__trigger[aria-expanded="true"] .faq__icon { background: var(--color-accent); color: var(--color-white); }
.faq__answer {
    font-size: 15px; color: var(--color-text-soft);
    line-height: 1.7; padding-bottom: var(--space-6);
    max-width: var(--max-w-copy); display: none;
}
.faq__answer.is-open { display: block; }