/**
 * biz-base.css — Reset, typography, layout primitives, common buttons.
 * Depends on biz-tokens.css. Page CSS depends on this.
 */

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

html, body { margin: 0; padding: 0; }
html { font-family: var(--font-sans); color: var(--fg-default); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-sans); font-size: var(--fs-body); line-height: var(--lh-relaxed); color: var(--fg-default); background: var(--bg-app); }

/* ─── HEADINGS ───────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: var(--fw-bold); color: var(--fg-strong); line-height: var(--lh-tight); }
p { margin: 0; }

/* ─── LINKS ──────────────────────────────────────────────────────────── */
a { color: var(--color-brand-blue); text-decoration: none; font-weight: var(--fw-semibold); transition: color var(--duration-fast) var(--ease-soft); }
a:hover { color: var(--color-brand-blue-hover); text-decoration: underline; }

/* ─── LAYOUT PRIMITIVES ──────────────────────────────────────────────── */
.biz-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}
.biz-container--narrow { max-width: 880px; }
.biz-container--prose  { max-width: 760px; }

@media (max-width: 720px) {
    .biz-container { padding: 0 var(--container-pad-sm); }
}

/* ─── SECTION RHYTHM ─────────────────────────────────────────────────── */
.biz-section { padding: var(--space-10) 0; }
.biz-section--tight { padding: var(--space-9) 0; }
.biz-section--dark  { background: var(--bg-hero); color: var(--fg-on-dark); }
.biz-section--surface { background: var(--bg-card); }
.biz-section--alt   { background: var(--color-line-soft); }

@media (max-width: 720px) {
    .biz-section { padding: var(--space-9) 0; }
}

/* ─── SECTION HEAD (eyebrow + title + lead) ─────────────────────────── */
.biz-section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-8);
}
.biz-eyebrow {
    display: inline-block;
    font-size: var(--fs-caption);
    font-weight: var(--fw-bold);
    color: var(--color-brand-gold);
    text-transform: uppercase;
    letter-spacing: var(--ls-uppercase-wide);
    margin-bottom: var(--space-3);
}
.biz-section--dark .biz-eyebrow { color: var(--color-brand-gold); }
.biz-section-title {
    font-size: 2.4rem;
    color: var(--fg-strong);
    font-weight: var(--fw-bold);
    letter-spacing: -0.5px;
    margin: 0 0 var(--space-3);
    line-height: 1.15;
}
.biz-section--dark .biz-section-title { color: var(--fg-on-dark); }
.biz-section-lead {
    font-size: 1.1rem;
    color: var(--fg-muted);
    line-height: var(--lh-relaxed);
    margin: 0;
}
.biz-section--dark .biz-section-lead { color: var(--fg-on-dark-muted); }

@media (max-width: 720px) {
    .biz-section-title { font-size: 1.8rem; }
}

/* ─── BUTTONS ────────────────────────────────────────────────────────── */
.biz-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-weight: var(--fw-semibold);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--duration-base) var(--ease-soft);
    line-height: 1;
    white-space: nowrap;
}
.biz-btn:focus-visible { outline: none; box-shadow: var(--shadow-focus-ring); }

.biz-btn--primary {
    background: var(--color-brand-blue);
    color: #fff;
    padding: 13px 22px;
    font-size: var(--fs-body-sm);
}
.biz-btn--primary:hover { background: var(--color-brand-blue-hover); color: #fff; }

.biz-btn--cta {
    background: var(--color-brand-blue);
    color: #fff;
    padding: 18px 32px;
    border-radius: var(--radius-md);
    font-weight: var(--fw-bold);
    font-size: 1.05rem;
    box-shadow: var(--shadow-button);
}
.biz-btn--cta:hover {
    background: var(--color-brand-blue-hover);
    box-shadow: var(--shadow-button-hover);
    transform: translateY(-2px);
    color: #fff;
}

.biz-btn--outline {
    background: transparent;
    color: var(--color-brand-blue);
    padding: 12px 22px;
    border: 1.5px solid var(--color-brand-blue);
}
.biz-btn--outline:hover {
    border-color: var(--color-brand-gold-deep);
    color: var(--color-brand-blue-hover);
    background: var(--color-brand-gold-soft);
}

.biz-btn--outline-light {
    background: transparent;
    color: #fff;
    padding: 12px 22px;
    border: 1.5px solid rgba(255, 255, 255, 0.25);
}
.biz-btn--outline-light:hover {
    border-color: var(--color-brand-gold);
    color: var(--color-brand-gold);
}

.biz-btn--ghost {
    background: transparent;
    color: var(--color-ink-500);
    padding: 10px 14px;
    font-size: var(--fs-body-sm);
}
.biz-btn--ghost:hover { color: var(--color-brand-blue); }

/* ─── CARDS ──────────────────────────────────────────────────────────── */
.biz-card {
    background: var(--bg-card);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    padding: var(--space-7);
    box-shadow: var(--shadow-elev);
    transition: all var(--duration-base) var(--ease-soft);
}
.biz-card--hover:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
    border-color: transparent;
}

/* ─── BADGES ─────────────────────────────────────────────────────────── */
.biz-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-overline);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: var(--ls-uppercase);
}
.biz-badge--gold {
    background: linear-gradient(135deg, var(--color-brand-gold), var(--color-brand-gold-deep));
    color: var(--color-brand-blue);
}
.biz-badge--blue {
    background: var(--color-info-bg);
    color: var(--color-info);
    border: 1px solid var(--color-info-border);
}
.biz-badge--success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

/* ─── EYEBROW PILL (eg. hero) ────────────────────────────────────────── */
.biz-eyebrow-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(226, 182, 89, 0.12);
    border: 1px solid rgba(226, 182, 89, 0.35);
    border-radius: var(--radius-pill);
    color: var(--color-brand-gold);
    font-size: var(--fs-overline);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: var(--ls-uppercase);
}
.biz-eyebrow-pill .biz-dot {
    width: 6px;
    height: 6px;
    background: var(--color-brand-gold);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-brand-gold);
}

/* ─── ACCESSIBILITY ──────────────────────────────────────────────────── */
.biz-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;
}

/* Skip link — hidden offscreen until keyboard focus reveals it */
.biz-skip-link {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}
.biz-skip-link:focus,
.biz-skip-link:focus-visible {
    position: absolute;
    width: auto;
    height: auto;
    padding: var(--space-3) var(--space-5);
    margin: 0;
    overflow: visible;
    clip: auto;
    clip-path: none;
    white-space: normal;
    top: var(--space-3);
    left: var(--space-3);
    z-index: 1000;
    background: var(--color-brand-blue);
    color: var(--fg-on-dark);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: var(--fw-semibold);
    box-shadow: var(--shadow-card);
}

/* Breadcrumb (visible navigation between Home → Section) */
.biz-breadcrumb {
    padding: var(--space-3) 0;
    background: var(--color-surface-tint);
    border-bottom: 1px solid var(--color-line);
}
.biz-breadcrumb ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    max-width: var(--container-max);
    padding-left: var(--container-pad);
    padding-right: var(--container-pad);
    margin-left: auto;
    margin-right: auto;
    font-size: var(--fs-caption);
    color: var(--fg-muted);
}
.biz-breadcrumb li { display: inline-flex; align-items: center; gap: var(--space-2); }
.biz-breadcrumb li + li::before {
    content: "›";
    color: var(--color-ink-300);
}
.biz-breadcrumb a {
    color: var(--fg-default);
    text-decoration: none;
    font-weight: var(--fw-medium);
}
.biz-breadcrumb a:hover { color: var(--color-brand-blue); }
.biz-breadcrumb [aria-current="page"] {
    color: var(--fg-strong);
    font-weight: var(--fw-semibold);
}

/* Global focus-visible ring (overridable per-component) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--color-brand-blue);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
}

/* ─── MOTION RESPECT ─────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}