/* ==========================================================================
   Marshall & McAdam Dynamics — Global Stylesheet
   Design System v2.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colour Palette */
    --bg-color:        #0c0c0d;
    --surface-color:   #141416;
    --surface-raised:  #1c1c1f;
    --accent-color:    #e2a336;
    --accent-dim:      rgba(226, 163, 54, 0.15);
    --accent-glow:     rgba(226, 163, 54, 0.30);
    --text-color:      #e0e0e0;
    --text-muted:      #8a8a9a;
    --text-faint:      #484852;
    --tag-bg:          #222226;
    --tag-color:       #9a9aaa;
    --border-color:    rgba(255, 255, 255, 0.07);
    --border-accent:   rgba(226, 163, 54, 0.40);

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont,
                 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

    /* Spacing */
    --space-xs:  0.25rem;
    --space-sm:  0.5rem;
    --space-md:  1rem;
    --space-lg:  1.5rem;
    --space-xl:  2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Layout */
    --container-pad: clamp(1.5rem, 8vw, 8rem);
    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  12px;

    /* Motion */
    --transition-fast:   0.15s ease;
    --transition-base:   0.25s ease;
    --transition-slow:   0.40s ease;
}


/* --------------------------------------------------------------------------
   2. Base Reset & Box Model
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    font-size: 1rem;
    line-height: 1.7;
    min-height: 100vh;
    /* Subtle texture: radial depth + fine cross-hatch */
    background-image:
        radial-gradient(ellipse 90% 50% at 50% -5%, rgba(255,255,255,0.03) 0%, transparent 100%),
        repeating-linear-gradient(0deg,   rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 48px),
        repeating-linear-gradient(90deg,  rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 48px);
}

img, video {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}


/* --------------------------------------------------------------------------
   3. Typography Scale
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-main);
    font-weight: 700;
    line-height: 1.2;
    color: #ffffff;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p {
    color: var(--text-muted);
    max-width: 68ch;
}

/* Accent label — replaces old .hero-tag */
.label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: var(--space-md);
    display: inline-block;
}

/* Muted section label */
.label--muted {
    color: var(--text-faint);
}

/* Section heading with left accent bar */
.section-heading {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    color: #ffffff;
}

.section-heading::before {
    content: '';
    display: block;
    width: 4px;
    height: 1.4em;
    background: var(--accent-color);
    border-radius: 2px;
    flex-shrink: 0;
}

/* Divider line */
.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--space-2xl) 0;
}


/* --------------------------------------------------------------------------
   4. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    padding-left: var(--container-pad);
    padding-right: var(--container-pad);
}

.section {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
}


/* --------------------------------------------------------------------------
   5. Navigation
   -------------------------------------------------------------------------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) var(--container-pad);
    background-color: rgba(12, 12, 13, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.nav__logo {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #ffffff;
    white-space: nowrap;
}

.nav__logo span {
    color: var(--accent-color);
}

.nav__links {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.nav__links a {
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    position: relative;
    transition: color var(--transition-base);
}

.nav__links a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
    transition: width var(--transition-base);
}

.nav__links a:hover {
    color: #ffffff;
}

.nav__links a:hover::after,
.nav__links a.active::after {
    width: 100%;
}

.nav__links a.active {
    color: var(--accent-color);
}


/* --------------------------------------------------------------------------
   6. Hero / Page Header
   -------------------------------------------------------------------------- */
.hero {
    padding: var(--space-3xl) var(--container-pad);
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

/* Optional: subtle radial glow behind hero content */
.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -5%;
    width: 50vw;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(226, 163, 54, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero--tall {
    min-height: 72vh;
}

.hero--short {
    min-height: 36vh;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero__title {
    margin-bottom: var(--space-md);
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-muted);
    max-width: 55ch;
}


/* --------------------------------------------------------------------------
   7. Cards
   -------------------------------------------------------------------------- */
.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    transition: border-color var(--transition-base),
                transform var(--transition-base),
                box-shadow var(--transition-base);
}

.card:hover {
    border-color: var(--border-accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35),
                0 0 0 1px var(--border-accent);
}

/* Card with a left accent bar (log-style) */
.card--log {
    border-left: 3px solid var(--border-color);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.card--log:hover {
    border-left-color: var(--accent-color);
    transform: none;
}

/* Raised card variant */
.card--raised {
    background-color: var(--surface-raised);
}


/* --------------------------------------------------------------------------
   8. Buttons & Links
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-main);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.7rem 1.6rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-base),
                border-color var(--transition-base),
                box-shadow var(--transition-base),
                color var(--transition-base);
}

/* Primary — filled gold */
.btn--primary {
    background-color: var(--accent-color);
    color: #111111;
    border-color: var(--accent-color);
}

.btn--primary:hover {
    background-color: #f0b84a;
    border-color: #f0b84a;
    box-shadow: 0 0 24px var(--accent-glow);
}

/* Outline — ghost gold */
.btn--outline {
    background-color: transparent;
    color: var(--accent-color);
    border-color: var(--border-accent);
}

.btn--outline:hover {
    background-color: var(--accent-dim);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-glow);
}

/* Text link with underline */
.link {
    color: var(--accent-color);
    font-size: 0.88rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border-accent);
    padding-bottom: 1px;
    transition: color var(--transition-fast),
                border-color var(--transition-fast);
}

.link:hover {
    color: #f0b84a;
    border-color: var(--accent-color);
}


/* --------------------------------------------------------------------------
   9. Tag / Badge
   -------------------------------------------------------------------------- */
.tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    background-color: var(--tag-bg);
    color: var(--tag-color);
    white-space: nowrap;
}

/* Status variants */
.tag--active  { background-color: rgba(40, 120, 60, 0.25); color: #5ecb7a; }
.tag--pending { background-color: rgba(200, 130, 30, 0.20); color: #e2a336; }
.tag--offline { background-color: rgba(180, 40, 40, 0.20);  color: #e06060; }


/* --------------------------------------------------------------------------
   10. Grids
   -------------------------------------------------------------------------- */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid--1 { grid-template-columns: 1fr; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--auto { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

@media (max-width: 768px) {
    .grid--2,
    .grid--3,
    .grid--auto { grid-template-columns: 1fr; }
}


/* --------------------------------------------------------------------------
   11. Scroll Fade-In Animations
   -------------------------------------------------------------------------- */

/* Elements start hidden; JS adds .is-visible to trigger the transition */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children — apply to parent, children get delays */
.fade-in-group > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.fade-in-group.is-visible > *:nth-child(1) { transition-delay: 0.00s; opacity: 1; transform: none; }
.fade-in-group.is-visible > *:nth-child(2) { transition-delay: 0.08s; opacity: 1; transform: none; }
.fade-in-group.is-visible > *:nth-child(3) { transition-delay: 0.16s; opacity: 1; transform: none; }
.fade-in-group.is-visible > *:nth-child(4) { transition-delay: 0.24s; opacity: 1; transform: none; }
.fade-in-group.is-visible > *:nth-child(5) { transition-delay: 0.32s; opacity: 1; transform: none; }
.fade-in-group.is-visible > *:nth-child(6) { transition-delay: 0.40s; opacity: 1; transform: none; }

/* Slide-in from left */
.slide-in {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.50s ease, transform 0.50s ease;
}

.slide-in.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* IntersectionObserver script — drop this in base.html before </body> */
/* <script>
     const observer = new IntersectionObserver(
         (entries) => entries.forEach(e => { if (e.isIntersecting) { e.target.classList.add('is-visible'); observer.unobserve(e.target); } }),
         { threshold: 0.12 }
     );
     document.querySelectorAll('.fade-in, .fade-in-group, .slide-in')
             .forEach(el => observer.observe(el));
   </script>
*/


/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.footer {
    border-top: 1px solid var(--border-color);
    padding: var(--space-xl) var(--container-pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-faint);
}

.footer__brand {
    color: var(--text-muted);
    font-weight: 600;
}

.footer__brand span {
    color: var(--accent-color);
}


/* --------------------------------------------------------------------------
   13. Utility Classes
   -------------------------------------------------------------------------- */
.text-accent   { color: var(--accent-color); }
.text-muted    { color: var(--text-muted); }
.text-faint    { color: var(--text-faint); }
.text-white    { color: #ffffff; }
.text-mono     { font-family: var(--font-mono); }
.text-center   { text-align: center; }

.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mt-xl  { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }
.mb-xl  { margin-bottom: var(--space-xl); }

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


/* --------------------------------------------------------------------------
   14. Hamburger Button
   -------------------------------------------------------------------------- */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    position: relative;
    z-index: 200;
}

.nav__toggle__bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-color);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle.is-open .nav__toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav__toggle.is-open .nav__toggle__bar:nth-child(2) {
    opacity: 0;
}
.nav__toggle.is-open .nav__toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* --------------------------------------------------------------------------
   15. Mobile Responsiveness (≤ 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {

    /* --- Container padding --- */
    :root {
        --container-pad: 1.25rem;
    }

    /* --- Navigation --- */
    .nav {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .nav__toggle {
        display: flex;
    }

    /* Sidebar panel — slides in from the right, sits below the navbar */
    .nav__links {
        position: fixed;
        top: var(--nav-height, 4.75rem);
        right: 0;
        width: 75%;
        height: calc(100vh - var(--nav-height, 4.75rem));
        background-color: var(--surface-color);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        gap: var(--space-lg);
        padding: var(--space-xl);
        z-index: 900;
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        overflow-y: auto;
    }

    .nav__links.is-open {
        transform: translateX(0);
    }

    .nav__links a {
        font-size: 1.1rem;
        letter-spacing: 0.1em;
    }

    /* Dim overlay behind the sidebar */
    .nav__overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.55);
        z-index: 800;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-slow);
    }

    .nav__overlay.is-open {
        opacity: 1;
        pointer-events: auto;
    }

    /* --- Hero --- */
    .hero {
        padding-top: var(--space-xl);
        padding-bottom: var(--space-xl);
    }

    .hero--tall  { min-height: 55vh; }
    .hero--short { min-height: 22vh; }

    /* --- Dashboard card --- */
    .dashboard {
        padding: 0.75rem;
    }

    .dash-card__value {
        font-size: 1.05rem;
    }
}