/* =====================================================================
   HARTWELL CONSULTING — GLOBAL STYLESHEET
   Design system: "Statute & Brass" — navy + brass, editorial-institutional.
   Page-specific rules live in their own file (home.css, services.css, ...).
   ===================================================================== */

:root {
    /* Primary Colors */
    --primary-color: #0E1F3D;   /* deep navy — headers, hero panels        */
    --primary-dark:  #081428;   /* darkest navy — footer, side panels      */
    --primary-light: #24365C;   /* lighter navy — hover states on dark bg  */

    /* Accent Colors */
    --accent-color:  #B8862E;   /* brass/gold — CTAs, highlights           */
    --accent-dark:   #8F6A22;
    --accent-light:  #D9B36C;

    /* Status Colors */
    --success-color: #2E7D4F;
    --danger-color:  #B3261E;
    --warning-color: #B8862E;
    --info-color:    #2E5C8A;

    /* Neutral Colors */
    --dark:          #1C2029;
    --border-color:  #CABFA4;
    --text-color:    #1C2029;
    --text-light:    #5C584D;
    --text-on-dark:  #E6E1D1;
    --text-on-dark-dim: #A9A08A;

    /* Backgrounds */
    --bg-primary:    #FFFFFF;
    --bg-secondary:  #F3EFE6;   /* warm paper */
    --bg-dark:       #0E1F3D;

    /* Spacing */
    --spacing-xs:  4px;
    --spacing-sm:  8px;
    --spacing-md:  16px;
    --spacing-lg:  32px;
    --spacing-xl:  48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;

    /* Typography */
    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --font-body:    'IBM Plex Sans', 'Segoe UI', Tahoma, Geneva, sans-serif;
    --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

    --font-size-sm:   1rem;      /* 16px */
    --font-size-base: 1.125rem;  /* 18px */
    --font-size-lg:   1.35rem;   /* ~22px */
    --font-size-xl:   1.6rem;    /* ~26px */
    --font-size-2xl:  2.15rem;   /* ~34px */
    --font-size-3xl:  2.85rem;   /* ~46px */
    --font-size-4xl:  3.75rem;   /* ~60px */
    --line-height:    1.7;

    /* Borders / radius (kept small and square — this system doesn't use rounded-lg cards) */
    --radius-sm: 2px;
    --radius-md: 4px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(14, 31, 61, 0.08);
    --shadow-md: 0 8px 24px rgba(14, 31, 61, 0.12);

    --transition: 0.2s ease;
    --container-width: 1400px;
}

/* ---------------------------------------------------------------------
   Reset
   --------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--text-color);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); font-weight: 600; margin: 0; line-height: 1.2; text-wrap: balance; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---------------------------------------------------------------------
   Layout helpers
   --------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}
.section { padding-block: var(--spacing-3xl); }
.section-tight { padding-block: var(--spacing-2xl); }
.section-dark { background: var(--primary-color); color: var(--text-on-dark); }
.section-paper { background: var(--bg-secondary); }

.cta-band { background: var(--bg-secondary); padding-block: var(--spacing-3xl); position: relative; }
.cta-band.has-photo { background-size: cover; background-position: center; color: var(--text-on-dark); }
.cta-band.has-photo::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(100deg, rgba(8,20,40,0.9) 20%, rgba(8,20,40,0.65) 100%);
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band.has-photo h2 { color: var(--text-on-dark); }
.cta-band.has-photo .eyebrow { color: var(--accent-light); }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.section-head { max-width: 640px; margin-bottom: var(--spacing-2xl); }
.section-head h2 { font-size: var(--font-size-3xl); margin-bottom: var(--spacing-md); }
.section-head p { color: var(--text-light); font-size: var(--font-size-lg); }
.section-dark .section-head p { color: var(--text-on-dark-dim); }

.grid { display: grid; gap: var(--spacing-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(2, 1fr); }

/* ---------------------------------------------------------------------
   Buttons
   --------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 13px 24px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-brass { background: var(--accent-color); color: var(--primary-dark); }
.btn-brass:hover { background: var(--accent-dark); }
.btn-outline { background: transparent; border-color: var(--border-color); color: var(--text-color); }
.btn-outline:hover { border-color: var(--accent-color); color: var(--accent-dark); }
.section-dark .btn-outline { border-color: rgba(230, 225, 209, 0.35); color: var(--text-on-dark); }
.section-dark .btn-outline:hover { border-color: var(--accent-color); color: var(--accent-light); }

/* ---------------------------------------------------------------------
   Site header / nav
   --------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: var(--spacing-md);
}
.brand { display: flex; align-items: center; font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; color: var(--primary-color); }
.brand .brand-mark { color: var(--accent-color); }

.nav-links { display: flex; align-items: center; gap: var(--spacing-xl); }
.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-color);
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition), color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--accent-dark); border-color: var(--accent-color); }

.nav-toggle {
    display: none;
    background: none; border: none; padding: 8px;
    font-size: 1.25rem; color: var(--primary-color);
}

@media (max-width: 860px) {
    .nav-links {
        position: fixed; inset: 64px 0 auto 0; z-index: 39;
        flex-direction: column; align-items: flex-start; gap: 0;
        background: var(--bg-primary); border-bottom: 1px solid var(--border-color);
        padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
        transform: translateY(-8px); opacity: 0; pointer-events: none;
        transition: transform var(--transition), opacity var(--transition);
    }
    .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .nav-links a { width: 100%; padding-block: var(--spacing-sm); border-bottom: 1px solid var(--border-color); }
    .nav-toggle { display: block; }
}

/* ---------------------------------------------------------------------
   Site footer
   --------------------------------------------------------------------- */
.site-footer { background: var(--primary-dark); color: var(--text-on-dark-dim); }
.site-footer .container { padding-block: var(--spacing-2xl) var(--spacing-lg); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--spacing-xl); margin-bottom: var(--spacing-2xl); }
.footer-grid h4 { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-on-dark); margin-bottom: var(--spacing-md); }
.footer-grid p { font-size: 1.08rem; line-height: 1.7; max-width: 36ch; }
.footer-links li { margin-bottom: var(--spacing-sm); }
.footer-links a { font-size: 1.08rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent-light); }
.footer-social { display: flex; gap: var(--spacing-md); margin-top: var(--spacing-md); }
.footer-social a {
    width: 34px; height: 34px; display: grid; place-items: center;
    border: 1px solid rgba(230, 225, 209, 0.25); border-radius: var(--radius-sm);
    transition: border-color var(--transition), color var(--transition);
}
.footer-social a:hover { border-color: var(--accent-color); color: var(--accent-color); }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--spacing-sm);
    padding-top: var(--spacing-lg); border-top: 1px solid rgba(230, 225, 209, 0.15);
    font-size: 0.9rem;
}
.footer-bottom a:hover { color: var(--accent-light); }

@media (max-width: 860px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    .footer-grid { grid-template-columns: 1fr; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------------
   Reusable cards
   --------------------------------------------------------------------- */
.service-card {
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: var(--spacing-2xl);
    transition: box-shadow var(--transition), transform var(--transition);
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.service-card .icon-badge {
    width: 68px; height: 68px; border-radius: 50%; background: var(--primary-color);
    color: var(--accent-light); display: grid; place-items: center; font-size: 1.7rem;
    margin-bottom: var(--spacing-lg);
}
.service-card h3 { font-size: 1.55rem; margin-bottom: var(--spacing-sm); }
.service-card p { font-size: 1.12rem; color: var(--text-light); line-height: 1.7; }

/* ---------------------------------------------------------------------
   Page banner (used by interior pages: about/services/training/blog/contact)
   --------------------------------------------------------------------- */
.page-banner { background: var(--primary-color); color: var(--text-on-dark); padding-block: var(--spacing-2xl); position: relative; }
.page-banner.has-photo { background-size: cover; background-position: center; }
.page-banner.has-photo::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(100deg, rgba(8,20,40,0.92) 30%, rgba(8,20,40,0.6) 100%);
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner .eyebrow { color: var(--accent-light); }
.page-banner h1 { font-size: var(--font-size-3xl); }
.breadcrumb { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-on-dark-dim); margin-top: var(--spacing-sm); }
.breadcrumb a:hover { color: var(--accent-light); }

/* ---------------------------------------------------------------------
   Flash messages (shared with admin forms rendered on public pages, e.g. contact)
   --------------------------------------------------------------------- */
.alert { padding: var(--spacing-md) var(--spacing-lg); border-radius: var(--radius-sm); font-size: 1.05rem; margin-bottom: var(--spacing-lg); }
.alert-success { background: #E7F3EC; color: var(--success-color); border: 1px solid #BFE0CC; }
.alert-error { background: #FBEAE9; color: var(--danger-color); border: 1px solid #F0C4C1; }

/* ---------------------------------------------------------------------
   Scroll-reveal (lightweight entrance animation, see assets/js/reveal.js)
   --------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
}