/*
 * DCS Site Theme - Marketing Layer
 * Ocean (H=220) default with Crimson, Stone, Forest, Sunset schemes
 * Copyright © 2026 Mark Constable <mc@dcs.spa> (MIT License)
 */

/* ============================================
   LAYER DECLARATION
   Must cascade after base.css layers
   ============================================ */

@layer site-tokens, site-components, site-utilities;

/* === SITE TOKENS — the COLOUR contract + marketing tokens ===
   This is the per-site theme layer: a clone recolours HERE (and may override any
   base.css scale token by redeclaring it). base.css defines zero colours and depends
   on every --* below being present. See the canonical methodology doc. */
@layer site-tokens {
    :root {
        /* Marketing */
        --hero-bg: url('/img/Server_Room_Dark.webp');
        --particle-opacity: 0.3;

        /* ===== Ocean (H=220) — light defaults ===== */
        --bg-primary:   oklch(98% 0.008 220);
        --bg-secondary: oklch(96% 0.012 220);
        --bg-tertiary:  oklch(92% 0.018 220);
        --fg-primary:   oklch(25% 0.06 220);
        --fg-secondary: oklch(40% 0.08 220);
        --fg-muted:     oklch(50% 0.06 220);
        --accent:       oklch(55% 0.12 220);
        --accent-hover: oklch(60% 0.14 220);
        --accent-fg:    oklch(98% 0.01 220);
        --accent-subtle:oklch(92% 0.025 220);
        --accent-glow:  oklch(55% 0.12 220 / 0.3);
        --border:       oklch(85% 0.02 220);
        --border-muted: oklch(90% 0.015 220);
        /* Semantic (+ hover/subtle for unified buttons & flashes) */
        --success:      oklch(45% 0.15 145);
        --danger:       oklch(55% 0.2 25);
        --warning:      oklch(70% 0.15 85);
        --info:         oklch(58% 0.14 240);
        --success-hover:oklch(40% 0.15 145);
        --danger-hover: oklch(50% 0.2 25);
        --warning-hover:oklch(64% 0.15 85);
        --info-hover:   oklch(52% 0.14 240);
        /* Row hover wash + modal/overlay scrim (theme-invariant darks) */
        --row-hover:    oklch(0% 0 0 / 0.04);
        --overlay:      oklch(20% 0.012 220 / 0.55);
        /* Glass */
        --glass:        oklch(98% 0.008 220);
        --glass-border: oklch(85% 0.02 220 / 0.5);
        --nav-scrolled-bg: oklch(100% 0 0 / 0.95);
    }

    /* High-contrast: hard border (a11y). Lives in the colour layer so it actually
       wins over the --border default above when the user opts in. */
    @media (prefers-contrast: more) {
        :root { --border: currentColor; }
    }

    /* Dark (system preference, unless .light pinned) */
    @media (prefers-color-scheme: dark) {
        :root:not(.light) {
            --bg-primary:   oklch(12% 0.015 220);
            --bg-secondary: oklch(16% 0.02 220);
            --bg-tertiary:  oklch(22% 0.025 220);
            --fg-primary:   oklch(95% 0.02 220);
            --fg-secondary: oklch(75% 0.05 220);
            --fg-muted:     oklch(55% 0.04 220);
            --accent:       oklch(75% 0.12 220);
            --accent-hover: oklch(85% 0.1 220);
            --accent-fg:    oklch(15% 0.04 220);
            --accent-subtle:oklch(25% 0.04 220);
            --accent-glow:  oklch(75% 0.12 220 / 0.4);
            --border:       oklch(30% 0.03 220);
            --border-muted: oklch(22% 0.02 220);
            --success:      oklch(70% 0.15 145);
            --danger:       oklch(70% 0.18 25);
            --warning:      oklch(80% 0.15 85);
            --info:         oklch(72% 0.13 240);
            --success-hover:oklch(78% 0.15 145);
            --danger-hover: oklch(78% 0.18 25);
            --warning-hover:oklch(88% 0.15 85);
            --info-hover:   oklch(80% 0.13 240);
            --row-hover:    oklch(100% 0 0 / 0.04);
            --overlay:      oklch(5% 0.01 220 / 0.62);
            --glass:        oklch(16% 0.02 220 / 0.85);
            --glass-border: oklch(30% 0.03 220 / 0.5);
            --nav-scrolled-bg: oklch(12% 0.015 220 / 0.9);
            --particle-opacity: 0.3;
            --shadow-sm: 0 1px 3px oklch(0% 0 0 / 0.4), 0 1px 2px -1px oklch(0% 0 0 / 0.4);
            --shadow-md: 0 4px 6px -1px oklch(0% 0 0 / 0.4), 0 2px 4px -2px oklch(0% 0 0 / 0.4);
            --shadow-lg: 0 10px 15px -3px oklch(0% 0 0 / 0.4), 0 4px 6px -4px oklch(0% 0 0 / 0.4);
            --shadow-popover: 0 12px 32px -8px oklch(0% 0 0 / 0.55);
            --shadow-modal: 0 24px 60px -12px oklch(0% 0 0 / 0.6);
        }
    }

    /* Dark (toggle) */
    html.dark {
        --bg-primary:   oklch(12% 0.015 220);
        --bg-secondary: oklch(16% 0.02 220);
        --bg-tertiary:  oklch(22% 0.025 220);
        --fg-primary:   oklch(95% 0.02 220);
        --fg-secondary: oklch(75% 0.05 220);
        --fg-muted:     oklch(55% 0.04 220);
        --accent:       oklch(75% 0.12 220);
        --accent-hover: oklch(85% 0.1 220);
        --accent-fg:    oklch(15% 0.04 220);
        --accent-subtle:oklch(25% 0.04 220);
        --accent-glow:  oklch(75% 0.12 220 / 0.4);
        --border:       oklch(30% 0.03 220);
        --border-muted: oklch(22% 0.02 220);
        --success:      oklch(70% 0.15 145);
        --danger:       oklch(70% 0.18 25);
        --warning:      oklch(80% 0.15 85);
        --info:         oklch(72% 0.13 240);
        --success-hover:oklch(78% 0.15 145);
        --danger-hover: oklch(78% 0.18 25);
        --warning-hover:oklch(88% 0.15 85);
        --info-hover:   oklch(80% 0.13 240);
        --row-hover:    oklch(100% 0 0 / 0.04);
        --overlay:      oklch(5% 0.01 220 / 0.62);
        --glass:        oklch(16% 0.02 220 / 0.85);
        --glass-border: oklch(30% 0.03 220 / 0.5);
        --nav-scrolled-bg: oklch(12% 0.015 220 / 0.9);
        --particle-opacity: 0.3;
        --shadow-sm: 0 1px 3px oklch(0% 0 0 / 0.4), 0 1px 2px -1px oklch(0% 0 0 / 0.4);
        --shadow-md: 0 4px 6px -1px oklch(0% 0 0 / 0.4), 0 2px 4px -2px oklch(0% 0 0 / 0.4);
        --shadow-lg: 0 10px 15px -3px oklch(0% 0 0 / 0.4), 0 4px 6px -4px oklch(0% 0 0 / 0.4);
        --shadow-popover: 0 12px 32px -8px oklch(0% 0 0 / 0.55);
        --shadow-modal: 0 24px 60px -12px oklch(0% 0 0 / 0.6);
    }

    /* Light (toggle) */
    html.light {
        --bg-primary:   oklch(98% 0.008 220);
        --bg-secondary: oklch(96% 0.012 220);
        --bg-tertiary:  oklch(92% 0.018 220);
        --fg-primary:   oklch(25% 0.06 220);
        --fg-secondary: oklch(40% 0.08 220);
        --fg-muted:     oklch(50% 0.06 220);
        --accent:       oklch(55% 0.12 220);
        --accent-hover: oklch(60% 0.14 220);
        --accent-fg:    oklch(98% 0.01 220);
        --accent-subtle:oklch(92% 0.025 220);
        --accent-glow:  oklch(55% 0.12 220 / 0.3);
        --border:       oklch(85% 0.02 220);
        --border-muted: oklch(90% 0.015 220);
        --glass:        oklch(98% 0.008 220);
        --glass-border: oklch(85% 0.02 220 / 0.5);
        --nav-scrolled-bg: oklch(100% 0 0 / 0.95);
        --particle-opacity: 0.15;
    }

    /* ===== Colour schemes (Crimson/Stone/Forest/Sunset/Mono) ===== */
    .scheme-crimson:not(.dark) {
        --bg-primary:   oklch(98% 0.008 25);
        --bg-secondary: oklch(96% 0.012 25);
        --bg-tertiary:  oklch(92% 0.018 25);
        --fg-primary:   oklch(25% 0.04 25);
        --fg-secondary: oklch(40% 0.06 25);
        --fg-muted:     oklch(50% 0.04 25);
        --accent:       oklch(47% 0.2 25);
        --accent-hover: oklch(42% 0.22 25);
        --accent-fg:    oklch(98% 0.01 25);
        --accent-subtle:oklch(92% 0.04 25);
        --accent-glow:  oklch(47% 0.2 25 / 0.3);
        --border:       oklch(85% 0.02 25);
        --border-muted: oklch(90% 0.015 25);
        --glass:        oklch(98% 0.008 25);
        --glass-border: oklch(85% 0.02 25 / 0.5);
        --nav-scrolled-bg: oklch(98% 0.008 25 / 0.9);
    }
    .scheme-crimson.dark {
        --bg-primary:   oklch(10% 0.015 25);
        --bg-secondary: oklch(14% 0.02 25);
        --bg-tertiary:  oklch(20% 0.025 25);
        --fg-primary:   oklch(95% 0.02 25);
        --fg-secondary: oklch(75% 0.04 25);
        --fg-muted:     oklch(55% 0.03 25);
        --accent:       oklch(54% 0.23 25);
        --accent-hover: oklch(60% 0.25 25);
        --accent-fg:    oklch(98% 0.01 25);
        --accent-subtle:oklch(20% 0.05 25);
        --accent-glow:  oklch(54% 0.23 25 / 0.4);
        --border:       oklch(28% 0.03 25);
        --border-muted: oklch(20% 0.02 25);
        --glass:        oklch(14% 0.02 25 / 0.85);
        --glass-border: oklch(28% 0.03 25 / 0.5);
        --nav-scrolled-bg: oklch(10% 0.015 25 / 0.9);
    }
    .scheme-stone:not(.dark) {
        --bg-primary:   oklch(98% 0.005 60);
        --bg-secondary: oklch(96% 0.008 60);
        --bg-tertiary:  oklch(92% 0.012 60);
        --fg-primary:   oklch(25% 0.02 60);
        --fg-secondary: oklch(45% 0.02 60);
        --fg-muted:     oklch(55% 0.015 60);
        --accent:       oklch(45% 0.05 60);
        --accent-hover: oklch(35% 0.06 60);
        --accent-fg:    oklch(98% 0.005 60);
        --accent-subtle:oklch(92% 0.015 60);
        --accent-glow:  oklch(45% 0.05 60 / 0.3);
        --border:       oklch(85% 0.01 60);
        --border-muted: oklch(90% 0.008 60);
        --glass:        oklch(98% 0.005 60);
        --glass-border: oklch(85% 0.01 60 / 0.5);
        --nav-scrolled-bg: oklch(98% 0.005 60 / 0.9);
    }
    .scheme-stone.dark {
        --bg-primary:   oklch(12% 0.01 60);
        --bg-secondary: oklch(16% 0.012 60);
        --bg-tertiary:  oklch(22% 0.015 60);
        --fg-primary:   oklch(95% 0.01 60);
        --fg-secondary: oklch(75% 0.015 60);
        --fg-muted:     oklch(55% 0.015 60);
        --accent:       oklch(80% 0.03 60);
        --accent-hover: oklch(90% 0.02 60);
        --accent-fg:    oklch(20% 0.02 60);
        --accent-subtle:oklch(25% 0.02 60);
        --accent-glow:  oklch(80% 0.03 60 / 0.3);
        --border:       oklch(30% 0.015 60);
        --border-muted: oklch(22% 0.012 60);
        --glass:        oklch(16% 0.012 60 / 0.85);
        --glass-border: oklch(30% 0.015 60 / 0.5);
        --nav-scrolled-bg: oklch(12% 0.01 60 / 0.9);
    }
    .scheme-forest:not(.dark) {
        --bg-primary:   oklch(98% 0.008 150);
        --bg-secondary: oklch(96% 0.012 150);
        --bg-tertiary:  oklch(92% 0.018 150);
        --fg-primary:   oklch(25% 0.06 150);
        --fg-secondary: oklch(40% 0.08 150);
        --fg-muted:     oklch(50% 0.06 150);
        --accent:       oklch(50% 0.12 150);
        --accent-hover: oklch(55% 0.14 150);
        --accent-fg:    oklch(98% 0.01 150);
        --accent-subtle:oklch(92% 0.025 150);
        --accent-glow:  oklch(50% 0.12 150 / 0.3);
        --border:       oklch(85% 0.02 150);
        --border-muted: oklch(90% 0.015 150);
        --glass:        oklch(98% 0.008 150);
        --glass-border: oklch(85% 0.02 150 / 0.5);
        --nav-scrolled-bg: oklch(98% 0.008 150 / 0.9);
    }
    .scheme-forest.dark {
        --bg-primary:   oklch(12% 0.015 150);
        --bg-secondary: oklch(16% 0.02 150);
        --bg-tertiary:  oklch(22% 0.025 150);
        --fg-primary:   oklch(95% 0.02 150);
        --fg-secondary: oklch(75% 0.05 150);
        --fg-muted:     oklch(55% 0.04 150);
        --accent:       oklch(70% 0.12 150);
        --accent-hover: oklch(80% 0.1 150);
        --accent-fg:    oklch(15% 0.04 150);
        --accent-subtle:oklch(25% 0.04 150);
        --accent-glow:  oklch(70% 0.12 150 / 0.3);
        --border:       oklch(30% 0.03 150);
        --border-muted: oklch(22% 0.02 150);
        --glass:        oklch(16% 0.02 150 / 0.85);
        --glass-border: oklch(30% 0.03 150 / 0.5);
        --nav-scrolled-bg: oklch(12% 0.015 150 / 0.9);
    }
    .scheme-sunset:not(.dark) {
        --bg-primary:   oklch(98% 0.01 45);
        --bg-secondary: oklch(96% 0.015 45);
        --bg-tertiary:  oklch(92% 0.02 45);
        --fg-primary:   oklch(30% 0.08 45);
        --fg-secondary: oklch(42% 0.1 45);
        --fg-muted:     oklch(52% 0.08 45);
        --accent:       oklch(60% 0.16 45);
        --accent-hover: oklch(65% 0.18 45);
        --accent-fg:    oklch(98% 0.01 45);
        --accent-subtle:oklch(92% 0.03 45);
        --accent-glow:  oklch(60% 0.16 45 / 0.3);
        --border:       oklch(85% 0.025 45);
        --border-muted: oklch(90% 0.02 45);
        --glass:        oklch(98% 0.01 45);
        --glass-border: oklch(85% 0.025 45 / 0.5);
        --nav-scrolled-bg: oklch(98% 0.01 45 / 0.9);
    }
    .scheme-sunset.dark {
        --bg-primary:   oklch(12% 0.02 45);
        --bg-secondary: oklch(16% 0.025 45);
        --bg-tertiary:  oklch(22% 0.03 45);
        --fg-primary:   oklch(95% 0.025 45);
        --fg-secondary: oklch(75% 0.06 45);
        --fg-muted:     oklch(55% 0.05 45);
        --accent:       oklch(72% 0.14 45);
        --accent-hover: oklch(82% 0.12 45);
        --accent-fg:    oklch(15% 0.05 45);
        --accent-subtle:oklch(25% 0.05 45);
        --accent-glow:  oklch(72% 0.14 45 / 0.3);
        --border:       oklch(30% 0.035 45);
        --border-muted: oklch(22% 0.025 45);
        --glass:        oklch(16% 0.025 45 / 0.85);
        --glass-border: oklch(30% 0.035 45 / 0.5);
        --nav-scrolled-bg: oklch(12% 0.02 45 / 0.9);
    }
    .scheme-mono:not(.dark) {
        --bg-primary:   oklch(98% 0 0);
        --bg-secondary: oklch(96% 0 0);
        --bg-tertiary:  oklch(92% 0 0);
        --fg-primary:   oklch(20% 0 0);
        --fg-secondary: oklch(40% 0 0);
        --fg-muted:     oklch(55% 0 0);
        --accent:       oklch(25% 0 0);
        --accent-hover: oklch(35% 0 0);
        --accent-fg:    oklch(98% 0 0);
        --accent-subtle:oklch(90% 0 0);
        --accent-glow:  oklch(25% 0 0 / 0.2);
        --border:       oklch(85% 0 0);
        --border-muted: oklch(90% 0 0);
        --glass:        oklch(98% 0 0);
        --glass-border: oklch(85% 0 0 / 0.5);
        --nav-scrolled-bg: oklch(100% 0 0 / 0.95);
    }
    .scheme-mono.dark {
        --bg-primary:   oklch(10% 0 0);
        --bg-secondary: oklch(15% 0 0);
        --bg-tertiary:  oklch(22% 0 0);
        --fg-primary:   oklch(95% 0 0);
        --fg-secondary: oklch(75% 0 0);
        --fg-muted:     oklch(55% 0 0);
        --accent:       oklch(85% 0 0);
        --accent-hover: oklch(92% 0 0);
        --accent-fg:    oklch(12% 0 0);
        --accent-subtle:oklch(25% 0 0);
        --accent-glow:  oklch(85% 0 0 / 0.3);
        --border:       oklch(30% 0 0);
        --border-muted: oklch(22% 0 0);
        --glass:        oklch(15% 0 0 / 0.85);
        --glass-border: oklch(30% 0 0 / 0.5);
        --nav-scrolled-bg: oklch(10% 0 0 / 0.9);
    }
}

/* ============================================
   SITE COMPONENTS - Marketing Layout
   ============================================ */

@layer site-components {
    /* ============================================
       TYPOGRAPHY - Heading Fonts
       ============================================ */

    h1, h2, h3, h4, h5, h6,
    .section-title,
    .footer-brand {
        font-family: var(--font-heading);
    }

    /* ============================================
       LAYOUT OVERRIDES - Edge-to-Edge Marketing
       ============================================ */

    /* Remove main padding so sections go edge-to-edge */
    main {
        padding: 0;
    }

    /* Overlay visible on mobile when sidebar open (base.css controls visibility) */

    /* ============================================
       APP SHELL - Translucent Sidebars
       ============================================ */

    .sidebar {
        background: var(--glass);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }

    .carousel-header {
        border-block-end-color: var(--glass-border);
    }

    .sidebar nav a {
        color: var(--fg-secondary);
    }

    .sidebar nav a:hover {
        color: var(--accent);
        background: var(--accent-subtle);
    }

    .sidebar nav a.active {
        color: var(--accent);
        background: var(--accent-subtle);
        border-color: var(--accent);
    }

    /* Topnav styling */
    .topnav {
        background: var(--glass);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-block-end: 1px solid var(--glass-border);
    }

    .topnav .brand {
        font-family: var(--font-heading);
        font-weight: 800; /* match the hero wordmark weight */
        color: var(--fg-primary);
    }

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

    /* ============================================
       GLOBAL BACKGROUND IMAGE
       ============================================ */

    body {
        background: var(--hero-bg) center/cover fixed;
        background-attachment: fixed;
        min-height: 100vh;
    }

    /* ============================================
       HERO SECTION
       ============================================ */

    .hero {
        text-align: center;
        padding: var(--space-16) var(--space-4);
    }

    .hero-bg {
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
    }

    .hero-bg::before {
        content: "";
        position: absolute;
        inset: 0;
        background: var(--hero-overlay, rgb(0 0 0 / 0.6));
        z-index: 0;
    }

    html.light {
        --hero-overlay: rgb(0 0 0 / 0.3);
    }

    html.light .hero-bg p { color: #fff; }

    /* Mono light: accent is a dark grey, which disappears against the dark
       hero image/overlay. Inside .hero-bg treat it as a dark context and
       use a light grey so the shimmer + accent stay readable. */
    .scheme-mono:not(.dark) .hero-bg {
        --accent: oklch(90% 0 0);
        --accent-hover: oklch(95% 0 0);
    }

    .hero-bg > * {
        position: relative;
        z-index: 1;
    }

    .hero-bg h1 {
        color: #fff;
        font-size: clamp(2.5rem, 2rem + 5vw, 5rem);
        line-height: 1.1;
        margin-block-end: var(--space-4);
    }

    .hero-bg p {
        color: rgba(255, 255, 255, 0.9);
        font-size: var(--text-xl);
        max-width: 600px;
        margin-inline: auto;
    }

    .hero-content {
        text-align: center;
        max-width: var(--container-lg);
        animation: fade-in-up 1s var(--ease-out);
    }

    /* Hero badge */
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: var(--space-2);
        background: rgb(255 255 255 / 0.1);
        border: 1px solid rgb(255 255 255 / 0.2);
        padding: var(--space-2) var(--space-5);
        border-radius: var(--radius-full);
        font-size: var(--text-xs);
        color: #fff;
        margin-block-end: var(--space-8);
        backdrop-filter: blur(10px);
    }

    /* Gradient text - uses accent color */
    .gradient-text {
        color: var(--accent);
    }

    /* Shimmer gradient text */
    .shimmer-text {
        background: linear-gradient(
            90deg,
            var(--accent) 0%,
            var(--accent) 35%,
            oklch(95% 0.05 200) 50%,
            var(--accent) 65%,
            var(--accent) 100%
        );
        background-size: 200% 100%;
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        animation: shimmer 10s linear infinite;
    }

    @keyframes shimmer {
        0% { background-position: 200% 0; }
        100% { background-position: -200% 0; }
    }

    /* Page hero (shorter) */
    .page-hero {
        min-height: 50vh;
    }

    /* ============================================
       SECTIONS
       ============================================ */

    /* Content section */
    .content-section {
        background: var(--bg-secondary);
        padding: var(--space-16) var(--space-4);
    }

    /* Section with background image visible (no solid bg) */
    .bg-image-section {
        position: relative;
        min-height: 30vh;
        padding: var(--space-16) var(--space-4);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .bg-image-section::before {
        content: "";
        position: absolute;
        inset: 0;
        background: rgb(0 0 0 / 0.5);
        z-index: 0;
    }

    .bg-image-section > * {
        position: relative;
        z-index: 1;
    }

    .bg-image-section .section-title,
    .bg-image-section .section-subtitle { color: #fff; }

    .bg-image-section .section-tag { color: var(--accent); }

    .bg-image-section .section-header { margin-block-end: 0; }

    /* Section header */
    .section-header {
        text-align: center;
        margin-block-end: var(--space-12);
    }

    .section-tag {
        display: inline-block;
        color: var(--accent);
        font-weight: 600;
        font-size: var(--text-sm);
        letter-spacing: 0.1em;
        text-transform: uppercase;
        margin-block-end: var(--space-4);
    }

    .section-title {
        font-size: var(--text-4xl);
        font-weight: 700;
        margin-block-end: var(--space-4);
        color: var(--fg-primary);
    }

    .section-subtitle {
        color: var(--fg-secondary);
        font-size: var(--text-lg);
        max-width: 600px;
        margin-inline: auto;
    }

    .section-lede {
        max-width: 720px;
        margin: 0 auto var(--space-12);
        text-align: center;
        font-size: var(--text-lg);
        line-height: 1.7;
        color: var(--fg-secondary);
    }

    .section-lede code {
        background: var(--bg-tertiary);
        padding: 0.1em 0.4em;
        border-radius: var(--radius-sm);
        font-size: 0.9em;
        color: var(--fg-primary);
    }

    .section-lede strong {
        color: var(--fg-primary);
    }

    /* ============================================
       SERVICE CARDS
       ============================================ */

    .services-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-4);
        max-width: var(--container-xl);
        margin-inline: auto;
    }

    .service-card {
        background: var(--glass);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid var(--glass-border);
        padding: var(--space-6);
        border-radius: var(--radius-lg);
        position: relative;
        overflow: hidden;
        /* Initial transparent shadow for smooth transition */
        box-shadow: 0 20px 40px rgb(0 0 0 / 0), 0 0 20px transparent;
        /* Explicit transition properties for reliable hover */
        transition:
            transform var(--transition-medium),
            box-shadow var(--transition-medium),
            border-color var(--transition-medium);
    }

    .service-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--accent);
        opacity: 0;
        transition: opacity var(--transition-medium);
    }

    .service-card:hover,
    .service-card.reveal.active:hover {
        transform: translateY(-4px) scale(1);
        border-color: var(--accent);
        box-shadow: 0 20px 40px rgb(0 0 0 / 0.15), 0 0 20px var(--accent-glow);
    }

    .service-card:hover::before { opacity: 1; }

    .service-icon {
        font-size: 2rem;
        margin-block-end: var(--space-4);
        display: block;
        color: var(--accent);
        transition: transform var(--transition-medium);
    }

    .service-icon .lucide,
    .service-icon [data-lucide] {
        width: 2rem;
        height: 2rem;
        color: var(--accent);
        stroke: var(--accent);
    }

    .service-card:hover .service-icon { transform: scale(1.1); }

    .service-card h3 {
        font-size: var(--text-lg);
        font-weight: 600;
        margin-block-end: var(--space-3);
        color: var(--fg-primary);
    }

    .service-card ul { list-style: none; }

    .service-card li {
        padding: 0.3rem 0;
        padding-inline-start: var(--space-5);
        position: relative;
        color: var(--fg-secondary);
        font-size: var(--text-sm);
    }

    .service-card li::before {
        content: "\2713";
        position: absolute;
        left: 0;
        color: var(--accent);
        font-weight: bold;
    }

    .services-grid-2col { grid-template-columns: 1fr; }

    /* ============================================
       PRICING TABLES
       ============================================ */

    .pricing-tables-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-6);
        max-width: var(--container-xl);
        margin-inline: auto;
    }

    .pricing-table {
        background: var(--glass);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        overflow: hidden;
    }

    .pricing-table-header {
        background: var(--accent);
        color: var(--accent-fg);
        padding: var(--space-4);
        text-align: center;
        font-family: var(--font-heading);
        font-size: var(--text-lg);
        font-weight: 600;
    }

    .pricing-table-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--space-3) var(--space-4);
        border-bottom: 1px solid var(--glass-border);
        transition: background-color var(--transition-base);
    }

    .pricing-table-row:last-child { border-bottom: none; }
    .pricing-table-row:hover { background: var(--accent-subtle); }
    .pricing-table-row span:first-child { color: var(--fg-secondary); }
    .pricing-table-row span:first-child strong { color: var(--fg-primary); }
    .pricing-table-row span:last-child { color: var(--accent); font-weight: 600; }

    /* ============================================
       CTA BUTTONS
       ============================================ */

    .cta-group {
        display: flex;
        gap: var(--space-4);
        justify-content: center;
        flex-wrap: wrap;
        margin-top: var(--space-8);
    }

    .cta-btn {
        display: inline-flex;
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-3) var(--space-6);
        border-radius: var(--radius-lg);
        text-decoration: none;
        font-weight: 600;
        font-size: var(--text-base);
        transition:
            background-color var(--transition-base),
            transform var(--transition-base),
            box-shadow var(--transition-base);
    }

    .cta-btn.primary {
        background: var(--accent);
        color: var(--accent-fg);
        box-shadow: 0 4px 20px var(--accent-glow);
    }

    .cta-btn.primary:hover {
        background: var(--accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 8px 30px var(--accent-glow);
        text-decoration: none;
    }

    .cta-btn.secondary {
        background: rgb(255 255 255 / 0.1);
        border: 1px solid rgb(255 255 255 / 0.3);
        color: #fff;
        backdrop-filter: blur(10px);
    }

    .cta-btn.secondary:hover {
        background: rgb(255 255 255 / 0.2);
        border-color: #fff;
        transform: translateY(-2px);
        text-decoration: none;
    }

    /* ============================================
       PARTICLES
       ============================================ */

    .particles {
        position: fixed;
        inset: 0;
        pointer-events: none;
        z-index: 0;
        overflow: hidden;
    }

    .particle {
        position: absolute;
        width: 4px;
        height: 4px;
        background: var(--accent);
        border-radius: var(--radius-full);
        opacity: var(--particle-opacity);
        animation: float-up 15s linear infinite;
    }

    @keyframes float-up {
        0% { transform: translateY(100vh) scale(0); opacity: 0; }
        10%, 90% { opacity: var(--particle-opacity); }
        100% { transform: translateY(-100vh) scale(1); opacity: 0; }
    }

    /* ============================================
       FOOTER
       ============================================ */

    .footer-main {
        background: var(--bg-secondary);
        border-block-start: 1px solid var(--glass-border);
        padding: var(--space-12) var(--space-4) var(--space-8);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-8);
        max-width: var(--container-xl);
        margin-inline: auto;
    }

    .footer-col .footer-brand {
        font-size: 1.5rem;
        font-weight: 700;
        margin-block-end: var(--space-4);
        color: var(--fg-primary);
    }

    .footer-col .footer-brand span { color: var(--accent); }

    .footer-col h4 {
        font-size: var(--text-base);
        font-weight: 600;
        color: var(--fg-primary);
        margin-block-end: var(--space-4);
        display: flex;
        align-items: center;
        gap: var(--space-2);
    }

    .footer-col h4 .lucide,
    .footer-col h4 [data-lucide] {
        color: var(--accent);
        stroke: var(--accent);
    }

    .footer-col p {
        color: var(--fg-secondary);
        font-size: var(--text-sm);
        margin-block-end: var(--space-2);
    }

    .footer-col .contact-line {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        margin-block-end: var(--space-2);
        font-size: var(--text-sm);
        color: var(--fg-secondary);
    }

    .footer-col .contact-line .lucide,
    .footer-col .contact-line [data-lucide] {
        color: var(--accent);
        stroke: var(--accent);
        flex-shrink: 0;
    }

    .footer-col .contact-line a {
        color: var(--fg-secondary);
        text-decoration: none;
        transition: color var(--transition-fast);
    }

    .footer-col .contact-line a:hover { color: var(--accent); }

    .footer-copyright {
        border-block-start: 1px solid var(--glass-border);
        margin-block-start: var(--space-8);
        padding-block-start: var(--space-6);
        text-align: center;
        color: var(--fg-muted);
        font-size: var(--text-xs);
    }

    /* ============================================
       ANIMATIONS
       ============================================ */

    @keyframes fade-in-up {
        from { opacity: 0; transform: translateY(20px); }
        to { opacity: 1; transform: translateY(0); }
    }

    .reveal {
        opacity: 0;
        transform: translateY(100px) scale(0.95);
        transition: opacity var(--transition-long), transform var(--transition-long);
    }

    .reveal.active {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    /* ============================================
       RESPONSIVE - Standardized breakpoints
       600px, 900px, 1200px
       ============================================ */

    @media (min-width: 600px) {
        .services-grid { grid-template-columns: repeat(2, 1fr); }
        .pricing-tables-grid { grid-template-columns: repeat(2, 1fr); }
        .services-grid-2col { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: repeat(2, 1fr); }
        .service-card { padding: var(--space-8); }
    }

    @media (min-width: 900px) {
        .pricing-tables-3col,
        .services-grid-3col { grid-template-columns: repeat(3, 1fr); }
    }

    @media (min-width: 1200px) {
        .bg-image-section { min-height: 40vh; }
        .services-grid { grid-template-columns: repeat(4, 1fr); }
        .services-grid-2col { grid-template-columns: repeat(2, 1fr); }
        .services-grid-3col { grid-template-columns: repeat(3, 1fr); }
        .footer-grid { grid-template-columns: repeat(4, 1fr); }
    }
}

/* ============================================
   SITE UTILITIES - Site-specific only
   No duplicates from base.css
   ============================================ */

@layer site-utilities {
    /* Marketing-specific spacing (larger than base.css --space-8) */
    .mt-8 { margin-block-start: var(--space-8); }
    .mb-8 { margin-block-end: var(--space-8); }
    .mt-12 { margin-block-start: var(--space-12); }
    .mb-12 { margin-block-end: var(--space-12); }

    /* Marketing-specific spacing utilities */
    .mb-1 { margin-block-end: var(--space-4); }
    .p-large { padding: var(--space-8); }

    /* Container variant */
    .container-md { max-width: 800px; }

    /* Article text styling */
    .article-heading { margin-block: var(--space-4) var(--space-2); }
    .article-text { color: var(--fg-secondary); line-height: var(--leading-relaxed); }
    .icon-header { display: flex; align-items: center; gap: var(--space-2); }
}

/* ============================================
   CANVAS LAYOUT — marketing components for CMS
   canvas pages (format='canvas'/'canvas-file'):
   hero card, split sections, icon lists, glass
   panels (.gpanel — NOT .panel, which is the
   structural carousel panel in base.css), sheets,
   tabs, tagline strip. Same dcs.spa lineage as the
   marketing set above; additive class names only.
   ============================================ */

@layer site-components {
    /* Hero over the photo. `fixed` attachment sizes/positions the image against
       the VIEWPORT, so this hero and every .bg-image-section band below window
       onto the SAME continuous image — the genuine dcs.spa mechanic — without a
       body background (shell.html deliberately keeps <body> solid: a fixed body
       image flashed through #content during boosted swaps). Inside the shell's
       content column the hero is a tall section, not the full viewport (the
       topnav/chrome own the rest). .hero-bg supplies centering + scrim + type. */
    .hero-canvas {
        padding: var(--space-16) var(--space-4);
        min-height: 80vh;
        background: var(--hero-bg) center/cover fixed;
    }

    .hero-bg h1 a { color: #fff; text-decoration: none; }
    .hero-bg .hero-tld { font-size: 0.4em; font-weight: 400; color: rgb(255 255 255 / 0.55); }

    .hero-bg h2 {
        color: rgb(255 255 255 / 0.92);
        font-size: var(--text-2xl);
        font-weight: 600;
        letter-spacing: 0.02em;
        margin-block-end: var(--space-6);
    }

    /* Window bands: same fixed image as the hero (note above). Overrides the
       marketing-set .bg-image-section (same layer, later order), which assumed a
       body bleed the shell never provides. scroll-margin keeps #named anchor
       jumps clear of the fixed topnav. */
    .bg-image-section {
        background: var(--hero-bg) center/cover fixed;
        scroll-margin-block-start: calc(var(--topnav-height) + var(--space-4));
    }

    /* Plain prose bed for a content-section — the old .sheet text styles without
       the panel chrome. */
    .section-body {
        max-width: var(--container-xl);
        margin-inline: auto;
        color: var(--fg-secondary);
    }

    .section-body p { margin-block-end: var(--space-4); }

    .section-body h3 {
        color: var(--fg-primary);
        font-size: var(--text-xl);
        margin-block: var(--space-6) var(--space-3);
    }

    .section-body a { color: var(--accent); }

    .section-body > .icon-list {
        max-width: 640px;
        margin-inline: auto;
        margin-block-start: var(--space-2);
    }

    .hero-card {
        position: relative;
        z-index: 1;
        background: var(--glass);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--glass-border);
        border-bottom: none;
        border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
        padding: var(--space-12) var(--space-8) var(--space-10);
        text-align: center;
        max-width: var(--container-xl);
        width: 100%;
        margin-inline: auto;
        animation: fade-in-up 1s var(--ease-out);
    }

    .hero-card h1 {
        font-size: var(--text-6xl);
        line-height: 1.1;
        margin-block-end: var(--space-4);
    }

    .hero-card h1 a { color: var(--fg-primary); text-decoration: none; }
    .hero-card .hero-tld { font-size: 0.4em; font-weight: 400; color: var(--fg-muted); }

    .hero-card h2 {
        font-size: var(--text-2xl);
        font-weight: 600;
        letter-spacing: 0.02em;
        color: var(--fg-secondary);
        margin-block-end: var(--space-6);
    }

    .hero-card p {
        color: var(--fg-secondary);
        font-size: var(--text-lg);
        max-width: 760px;
        margin-inline: auto;
    }

    /* Two-column split grid */
    .split-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-6);
        max-width: var(--container-xl);
        margin-inline: auto;
        align-items: stretch;
    }

    .split-grid.gap0 { gap: 0; }
    .vcenter { display: flex; flex-direction: column; justify-content: center; }

    /* Glass panel (marketing card). Named .gpanel: `.panel` is the structural
       carousel panel (base.css) and must not be restyled. */
    .gpanel {
        background: var(--glass);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        padding: var(--space-8);
        color: var(--fg-secondary);
    }

    .col-plain {
        padding: var(--space-8) var(--space-4);
        color: var(--fg-secondary);
        display: flex;
        flex-direction: column;
        gap: var(--space-6);
        align-items: flex-start;
        justify-content: center;
    }

    /* Icon lists */
    .icon-list { list-style: none; padding: 0; margin: 0; }

    .icon-list li,
    .icon-list li > a,
    .icon-list li > span {
        display: flex;
        align-items: flex-start;
        gap: var(--space-3);
        color: var(--fg-secondary);
        text-decoration: none;
    }

    .icon-list li { padding-block: var(--space-1); }

    .icon-list li .lucide,
    .icon-list li [data-lucide] {
        color: var(--accent);
        stroke: var(--accent);
        width: 1.2em;
        height: 1.2em;
        flex-shrink: 0;
        margin-top: 0.2em;
    }

    .icon-list a:hover { color: var(--accent); }

    .icon-list.dots li { padding-block: 2px; font-size: var(--text-sm); }
    .icon-list.dots li .lucide { width: 0.8em; height: 0.8em; margin-top: 0.35em; }

    .icon-list.contact-list li,
    .icon-list.roles li {
        font-size: var(--text-xl);
        padding-block: var(--space-2);
    }

    .icon-list.contact-list li .lucide,
    .icon-list.roles li .lucide { width: 1.3em; height: 1.3em; }

    /* Image panel + roles strip */
    .strip-section {
        background: var(--bg-secondary);
        padding: 0;
    }

    .strip-section .split-grid { max-width: var(--container-xl); }

    .img-panel {
        background: var(--hero-bg) center/cover;
        min-height: 260px;
        border-radius: var(--radius-lg);
    }

    .strip-section .vcenter { padding: var(--space-8) var(--space-4); }

    /* Sheet over the photo background (.bg-image-section pairs above; inside the
       shell the section supplies its own image rather than relying on body bleed). */
    .sheet-section {
        padding: var(--space-16) var(--space-4);
        background: var(--hero-bg) center/cover;
        border-radius: var(--radius-lg);
        overflow: hidden;
    }

    .sheet {
        position: relative;
        z-index: 1;
        background: var(--bg-primary);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        padding: var(--space-10) var(--space-8);
        max-width: var(--container-xl);
        width: 100%;
        margin-inline: auto;
        color: var(--fg-secondary);
    }

    .sheet .section-title { text-align: center; color: var(--fg-primary); }

    .sheet ul:not(.icon-list) {
        margin: var(--space-4) 0 0 var(--space-6);
        color: var(--fg-secondary);
    }

    .sheet ul:not(.icon-list) li { padding-block: var(--space-1); }

    .sheet h3 {
        text-align: center;
        color: var(--fg-primary);
        font-size: var(--text-xl);
        margin-block: var(--space-6) var(--space-3);
    }

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

    .callout {
        font-size: var(--text-lg);
        text-align: center;
        background: var(--accent-subtle);
        border-radius: var(--radius-md);
        padding: var(--space-4) var(--space-8);
        margin-block-start: var(--space-8);
    }

    /* Three-column checklists */
    .check-cols {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-4) var(--space-8);
        margin-block-start: var(--space-6);
    }

    /* Section title helpers */
    .section-title.center { text-align: center; }
    .accent-title { color: var(--accent); }
    .section-subtitle.center { text-align: center; margin-block-end: var(--space-8); }
    .centered-text { text-align: center; }

    /* Tabs */
    .tabs { max-width: var(--container-xl); margin-inline: auto; }

    .tab-titles { display: flex; flex-direction: column; }

    .tab-title {
        font-family: var(--font-heading);
        font-size: var(--text-base);
        font-weight: 600;
        color: var(--accent);
        background: none;
        border: 1px solid var(--accent);
        padding: var(--space-3) var(--space-6);
        cursor: pointer;
        transition: background-color var(--transition-base);
    }

    .tab-title:hover { background: var(--accent-subtle); }

    /* Folder-tab look: the active tab stays dark (opaque theme bg, NOT glass —
       it must cover the panel's top border in the 1px overlap strip below) and
       "opens" into the panel by dropping its bottom border in row layout. */
    .tab-title.active {
        background: var(--bg-primary);
        color: var(--fg-primary);
    }

    .tab-panels {
        border: 1px solid var(--accent);
        background: var(--glass);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .tab-panel { padding: var(--space-6); color: var(--fg-secondary); }

    /* Tagline strip */
    .tagline-strip {
        background: var(--bg-secondary);
        text-align: center;
        padding: var(--space-8) var(--space-4);
    }

    .tagline-strip h5 {
        font-size: var(--text-base);
        color: var(--fg-primary);
        letter-spacing: 0.02em;
    }

    @media (min-width: 600px) {
        /* -1px overlap collapses tab-bottom + panel-top into ONE 1px line;
           z-index lifts the tabs so the active tab's opaque bg + transparent
           bottom border punch the notch through the panel border. */
        .tab-titles { flex-direction: row; margin-bottom: -1px; position: relative; z-index: 1; }
        .tab-title + .tab-title { border-left: none; }
        .tab-title.active { border-bottom-color: transparent; }
    }

    @media (min-width: 900px) {
        .split-grid { grid-template-columns: 1fr 1fr; }
        .check-cols { grid-template-columns: repeat(3, 1fr); }
        .img-panel { min-height: 100%; }
        .callout { padding: var(--space-4) var(--space-16); }
    }
}