/* ==========================================================================
   ACMEZ GROUP DESIGN SYSTEM - MAIN STYLESHEET
   Aesthetic: Sophisticated Corporate Technology, Dark Canvas, Electric Azure Accents
   WCAG 2.2 AA Accessible
   ========================================================================== */

:root {
    /* Color Palette */
    --color-bg-deep: #06090F;
    --color-bg-base: #0A0E17;
    --color-bg-surface: #101623;
    --color-bg-surface-elevated: #161F30;
    --color-bg-card: #0F172A;
    --color-bg-card-hover: #1E293B;

    --color-border: #1E293B;
    --color-border-subtle: #172033;
    --color-border-active: #0066FF;

    /* Text Colors */
    --color-text-primary: #F8FAFC;
    --color-text-secondary: #94A3B8;
    --color-text-muted: #64748B;
    --color-text-inverse: #0A0E17;

    /* Brand Accents */
    --color-primary: #0066FF;
    --color-primary-hover: #0052CC;
    --color-primary-glow: rgba(0, 102, 255, 0.25);
    --color-accent-azure: #38BDF8;
    --color-accent-indigo: #6366F1;
    --color-accent-teal: #0D9488;
    --color-accent-amber: #D97706;
    --color-accent-rose: #E11D48;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;
    --font-tech: 'Space Grotesk', monospace, sans-serif;

    /* Layout & Sizing */
    --container-max: 1280px;
    --container-padding: 24px;
    --header-height: 80px;
    --topbar-height: 38px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Transitions & Shadows */
    --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-base: 250ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 25px rgba(0, 102, 255, 0.2);
}

/* Light Mode Overrides (A11y preference) */
[data-theme="light"] {
    --color-bg-deep: #F1F5F9;
    --color-bg-base: #FFFFFF;
    --color-bg-surface: #F8FAFC;
    --color-bg-surface-elevated: #FFFFFF;
    --color-bg-card: #FFFFFF;
    --color-bg-card-hover: #F8FAFC;
    --color-border: #E2E8F0;
    --color-border-subtle: #EDF2F7;
    --color-text-primary: #0F172A;
    --color-text-secondary: #475569;
    --color-text-muted: #64748B;
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.08);
}

/* High Contrast Mode Overrides */
[data-contrast="high"] {
    --color-bg-deep: #000000;
    --color-bg-base: #000000;
    --color-bg-surface: #0A0A0A;
    --color-border: #FFFFFF;
    --color-border-subtle: #CCCCCC;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #EEEEEE;
    --color-text-muted: #DDDDDD;
    --color-primary: #0088FF;
}

/* Text Size Preferences */
[data-text-size="large"] { font-size: 112.5%; }
[data-text-size="xlarge"] { font-size: 125%; }

/* Reduced Motion Mode */
@media (prefers-reduced-motion: reduce), (data-motion="reduced") {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==========================================================================
   Base Elements & Reset
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg-base);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    letter-spacing: -0.01em;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Accessibility Focus States */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.skip-to-content {
    position: absolute;
    top: -9999px;
    left: 20px;
    background: var(--color-primary);
    color: #FFFFFF;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    z-index: 99999;
    font-weight: 600;
    text-decoration: none;
    transition: top var(--transition-fast);
}
.skip-to-content:focus {
    top: 20px;
}

/* Containers & Grid */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.main-site-content {
    flex: 1 0 auto;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-primary);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

p {
    margin-bottom: 1.25rem;
    color: var(--color-text-secondary);
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-azure);
}

/* ==========================================================================
   Header & Top Utility Bar
   ========================================================================== */
.topbar {
    background-color: var(--color-bg-deep);
    border-bottom: 1px solid var(--color-border-subtle);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.topbar-inner {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-indicator {
    width: 7px;
    height: 7px;
    background-color: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 8px #10B981;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 18px;
}

.topbar-link {
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
}
.topbar-link:hover {
    color: var(--color-text-primary);
}

.a11y-trigger {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}
.a11y-trigger:hover {
    background-color: var(--color-bg-surface);
    color: var(--color-text-primary);
    border-color: var(--color-primary);
}

/* Announcement Strip */
.announcement-strip {
    background: linear-gradient(90deg, rgba(0,102,255,0.12) 0%, rgba(99,102,241,0.08) 100%);
    border-bottom: 1px solid rgba(0,102,255,0.2);
    font-size: 0.84rem;
    padding: 8px 0;
}
.announcement-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.badge-pill {
    background: var(--color-primary);
    color: #FFFFFF;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}
.announcement-content {
    color: var(--color-text-primary);
}
.announcement-cta {
    color: var(--color-accent-azure);
    font-weight: 600;
}
.announcement-cta:hover {
    text-decoration: underline;
}

/* Sticky Header */
.site-header {
    position: sticky;
    top: 0;
    background-color: rgba(10, 14, 23, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

.header-container {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

/* Brand Logo */
.brand-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}
.brand-link:hover {
    opacity: 0.9;
}
.brand-header-logo {
    height: 44px;
    width: 44px;
    object-fit: contain;
    border-radius: 8px;
    display: block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-fast);
}
.brand-link:hover .brand-header-logo {
    transform: scale(1.05);
}

/* Navigation Links */
.main-nav {
    display: flex;
    align-items: center;
}
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 4px;
}
.nav-item {
    position: relative;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 14px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}
.nav-link:hover,
.nav-link.active {
    color: #FFFFFF;
    background-color: var(--color-bg-surface);
}
.dropdown-chevron {
    transition: transform var(--transition-fast);
}
.has-dropdown:hover .dropdown-chevron,
.has-mega:hover .dropdown-chevron {
    transform: rotate(180deg);
}

/* Simple Dropdown */
.dropdown-panel {
    position: absolute;
    top: 100%;
    left: 0;
    width: 280px;
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    display: none;
    flex-direction: column;
    z-index: 1050;
    animation: fadeInDown 200ms ease forwards;
}
.has-dropdown:hover .dropdown-panel {
    display: flex;
}
.dropdown-link {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    text-decoration: none;
}
.dropdown-link:hover {
    background-color: var(--color-bg-card-hover);
}
.dropdown-link-title {
    color: var(--color-text-primary);
    font-size: 0.88rem;
    font-weight: 600;
}
.dropdown-link-desc {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-top: 2px;
}

/* ==========================================================================
   Mega Menu System (Desktop Hover & Keyboard Accessible)
   ========================================================================== */
.has-mega {
    position: static;
}

.mega-menu-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background-color: rgba(14, 20, 32, 0.98);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.8), 0 0 25px rgba(0, 102, 255, 0.15);
    padding: 28px 32px;
    display: none;
    z-index: 1200;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.has-mega:hover .mega-menu-panel,
.has-mega:focus-within .mega-menu-panel {
    display: block;
    animation: fadeInDown 200ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.mega-menu-container {
    max-width: 100%;
    padding: 0;
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    align-items: stretch;
}

.mega-menu-sidebar {
    background: linear-gradient(145deg, rgba(0, 102, 255, 0.1) 0%, rgba(15, 23, 42, 0.7) 100%);
    border: 1px solid rgba(0, 102, 255, 0.25);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.mega-kicker {
    font-family: var(--font-tech);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-azure);
    display: block;
    margin-bottom: 6px;
}

.mega-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0 0 8px;
    line-height: 1.25;
}

.mega-desc {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0 0 16px;
}

.mega-btn-explore {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-accent-azure);
    text-decoration: none;
    transition: gap var(--transition-fast);
}
.mega-btn-explore:hover {
    gap: 10px;
    color: #FFFFFF;
}

.mega-menu-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.mega-entity-card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}
.mega-entity-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background-color: var(--entity-accent, var(--color-primary));
    opacity: 0.6;
    transition: opacity var(--transition-fast), width var(--transition-fast);
}
.mega-entity-card:hover {
    background-color: var(--color-bg-card-hover);
    border-color: var(--entity-accent, var(--color-primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}
.mega-entity-card:hover::before {
    opacity: 1;
    width: 5px;
}

.mega-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.entity-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
}

.mega-external-tag {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}
.mega-entity-card:hover .mega-external-tag {
    color: var(--color-accent-azure);
}

.mega-card-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 4px;
}

.mega-card-role {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.4;
    margin: 0;
}

/* Capabilities Columns */
.mega-caps-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.mega-cap-col {
    background-color: rgba(16, 22, 35, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 18px;
}

.cap-col-title {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-azure);
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border-subtle);
}

.cap-col-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cap-col-list li a {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    display: block;
    padding: 4px 6px;
    border-radius: 4px;
    transition: all var(--transition-fast);
}
.cap-col-list li a:hover {
    color: #FFFFFF;
    background-color: rgba(0, 102, 255, 0.15);
    padding-left: 10px;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-icon-search {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}
.btn-icon-search:hover {
    border-color: var(--color-primary);
    color: var(--color-text-primary);
}
.search-kbd-hint {
    background: var(--color-bg-deep);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.7rem;
    font-family: var(--font-tech);
    padding: 2px 6px;
    border-radius: 4px;
}

.btn-header-cta {
    display: inline-flex;
}

.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--color-border);
    padding: 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}
.hamburger-bar {
    width: 22px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-fast);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: var(--color-bg-deep);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

.footer-cta-band {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.15) 0%, rgba(99, 102, 241, 0.08) 100%);
    border-bottom: 1px solid var(--color-border);
    padding: 56px 0;
}
.footer-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.footer-cta-text {
    max-width: 750px;
}
.cta-kicker {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-azure);
    display: block;
    margin-bottom: 8px;
}
.cta-heading {
    font-size: 1.875rem;
    color: #FFFFFF;
    margin-bottom: 12px;
}
.cta-sub {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
}

.footer-main {
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.3fr 1.1fr 1fr;
    gap: 40px;
    margin-bottom: 56px;
}

.footer-col-title {
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #FFFFFF;
    margin-bottom: 20px;
}

.footer-summary {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-top: 16px;
    line-height: 1.6;
}

.footer-contact-details {
    margin-top: 20px;
    font-size: 0.85rem;
}
.contact-line {
    margin-bottom: 10px;
    line-height: 1.5;
}
.contact-line a {
    color: var(--color-text-secondary);
}
.contact-line a:hover {
    color: var(--color-accent-azure);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links li a {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    display: block;
}
.footer-links li a:hover {
    color: #FFFFFF;
}
.footer-sub-tag {
    display: block;
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.footer-legal-notice {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 24px 0;
    margin-bottom: 32px;
}
.legal-notice-card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.notice-badge {
    background: rgba(0, 102, 255, 0.15);
    border: 1px solid rgba(0, 102, 255, 0.4);
    color: var(--color-accent-azure);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}
.notice-text {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    flex-wrap: wrap;
    gap: 16px;
}
.sep-dot {
    margin: 0 6px;
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .col-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 850px) {
    .main-nav {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-bg-base);
        padding: 24px;
        overflow-y: auto;
        flex-direction: column;
        align-items: flex-start;
    }
    .mega-menu-panel {
        display: none !important;
    }
    .dropdown-panel {
        display: none !important;
    }
    .main-nav.is-open {
        display: flex;
    }
    .nav-menu {
        flex-direction: column;
        width: 100%;
        gap: 8px;
    }
    .nav-item {
        width: 100%;
    }
    .nav-link {
        width: 100%;
        padding: 14px;
    }
    .mobile-nav-toggle {
        display: flex;
    }
    .topbar {
        display: none;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .legal-notice-card {
        flex-direction: column;
    }
}