/*
 * 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 - Extended for Marketing
   ============================================ */

@layer site-tokens {
    :root {
        /* Extended spacing for marketing layouts */
        --space-10: 2.5rem;
        --space-12: 3rem;
        --space-16: 4rem;
        --space-20: 5rem;
        --space-24: 6rem;

        /* Extended typography for hero/marketing */
        --text-3xl: clamp(1.5rem, 1rem + 2vw, 2rem);
        --text-4xl: clamp(1.75rem, 1rem + 3vw, 2.5rem);
        --text-5xl: clamp(2rem, 1rem + 4vw, 3.5rem);
        --text-6xl: clamp(2.5rem, 1rem + 5vw, 4.5rem);

        /* Extended border radius */
        --radius-xl: 16px;
        --radius-2xl: 24px;
        --radius-full: 9999px;

        /* Container widths */
        --container-xl: 1280px;

        /* Marketing tokens */
        --hero-bg: url('/img/Server_Room_Dark.webp');
        --particle-opacity: 0.3;

        /* Extended transitions (beyond base.css 150/200/300ms) */
        --duration-medium: 400ms;
        --duration-long: 500ms;
        --transition-medium: var(--duration-medium) var(--ease-out);
        --transition-long: var(--duration-long) var(--ease-out);

        /* Fonts */
        --font-sans: "Inter", "Quicksand", system-ui, sans-serif;
        --font-heading: "Quicksand", sans-serif;
    }

    /* ============================================
       OCEAN (CYAN-BLUE) - Default Theme (H=220)
       ============================================ */

    /* Light Theme (Ocean - Default) */
    :root {
        /* H=220 (cyan-blue) */
        --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 */
        --success:      oklch(45% 0.15 145);
        --danger:       oklch(55% 0.2 25);
        --warning:      oklch(70% 0.15 85);
        /* 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);
    }

    /* Dark Theme (System Preference) */
    @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);
            --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 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
            --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
            --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
        }
    }

    /* Dark Theme (Toggle Override) */
    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);
        --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 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
        --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    }

    /* Light Theme (Toggle Override) */
    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;
    }

    /* ============================================
       COLOR SCHEMES - Crimson, Stone, Forest, Sunset
       ============================================ */

    /* Crimson (H=25 red) */
    .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);
    }

    /* Stone (H=60 warm neutral) */
    .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);
    }

    /* Forest (H=150 green) */
    .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);
    }

    /* Sunset (H=45 orange-amber) */
    .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);
    }

    /* Mono (C=0 pure grayscale; status colors inherited from :root defaults) */
    .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: 700;
        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); }
}

/* ============================================
   TOUR DECK (sidebar slide-deck module)
   Independent mini-carousel inside an LHS panel
   ============================================ */

@layer site-components {

    /* Remove panel-content padding so the deck owns full height */
    .panel-content-flush { padding: 0 !important; display: flex; }

    .deck {
        display: flex;
        flex-direction: column;
        flex: 1;
        min-height: 0;
        outline: none;
        background:
            radial-gradient(120% 80% at 100% 0%, color-mix(in oklch, var(--accent) 8%, transparent) 0%, transparent 55%),
            radial-gradient(120% 80% at 0% 100%, color-mix(in oklch, var(--accent) 5%, transparent) 0%, transparent 55%),
            var(--bg-secondary);
        position: relative;
    }

    .deck:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); }

    /* --- header: prev / counter / next --------------------------------- */

    .deck-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--space-3) var(--space-4);
        gap: var(--space-2);
        border-block-end: 1px solid var(--border-muted);
        background: color-mix(in oklch, var(--bg-primary) 60%, transparent);
        backdrop-filter: blur(8px);
        flex-shrink: 0;
    }

    .deck-btn {
        width: 2rem;
        height: 2rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--border);
        border-radius: 999px;
        background: var(--bg-primary);
        color: var(--fg-secondary);
        cursor: pointer;
        transition: background var(--transition-fast, 150ms ease),
                    color var(--transition-fast, 150ms ease),
                    border-color var(--transition-fast, 150ms ease),
                    transform var(--transition-fast, 150ms ease);
    }
    .deck-btn:hover {
        background: var(--accent);
        color: var(--accent-fg);
        border-color: var(--accent);
        transform: scale(1.05);
    }
    .deck-btn:active { transform: scale(0.95); }
    .deck-btn i { width: 1rem; height: 1rem; }

    .deck-counter {
        font-family: var(--font-mono, ui-monospace, monospace);
        font-size: var(--text-sm);
        letter-spacing: 0.08em;
        color: var(--fg-secondary);
        display: inline-flex;
        align-items: baseline;
        gap: 0.25rem;
    }
    .deck-current { color: var(--accent); font-weight: 600; font-size: var(--text-base); }
    .deck-sep { color: var(--fg-muted); opacity: 0.5; }
    .deck-total { color: var(--fg-muted); }

    /* --- progress bar -------------------------------------------------- */

    .deck-progress {
        height: 2px;
        background: var(--border-muted);
        position: relative;
        overflow: hidden;
        flex-shrink: 0;
    }
    .deck-progress-bar {
        position: absolute;
        inset: 0;
        width: calc((var(--deck-idx, 0) + 1) / var(--deck-count, 6) * 100%);
        background: linear-gradient(90deg, var(--accent), var(--accent-hover));
        transition: width 400ms cubic-bezier(0.33, 1, 0.68, 1);
    }

    /* --- viewport + track --------------------------------------------- */

    .deck-viewport {
        flex: 1;
        overflow: hidden;
        position: relative;
        min-height: 0;
    }

    .deck-track {
        display: flex;
        height: 100%;
        transform: translateX(calc(var(--deck-idx, 0) * -100%));
        transition: transform 400ms cubic-bezier(0.33, 1, 0.68, 1);
        will-change: transform;
    }
    .deck-track.no-transition { transition: none !important; }

    /* --- slide --------------------------------------------------------- */

    .deck-slide {
        width: 100%;
        flex-shrink: 0;
        padding: var(--space-5) var(--space-5) var(--space-6);
        overflow-y: auto;
        position: relative;
        box-sizing: border-box;
    }

    /* Big ghost number, top-right */
    .deck-num {
        position: absolute;
        top: calc(var(--space-3) * -0.25);
        inset-inline-end: var(--space-4);
        font-size: 7rem;
        line-height: 1;
        font-weight: 800;
        letter-spacing: -0.04em;
        color: transparent;
        -webkit-text-stroke: 1px color-mix(in oklch, var(--accent) 35%, transparent);
        pointer-events: none;
        user-select: none;
        font-variant-numeric: tabular-nums;
    }

    .deck-kicker {
        display: inline-block;
        position: relative;
        font-size: 0.7rem;
        font-weight: 700;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: var(--accent);
        margin-block-end: var(--space-3);
        padding-inline-start: calc(var(--space-3) + 8px);
    }
    .deck-kicker::before {
        content: "";
        position: absolute;
        inset-inline-start: 0;
        top: 50%;
        transform: translateY(-50%);
        width: var(--space-3);
        height: 2px;
        background: var(--accent);
    }

    .deck-title {
        font-size: clamp(1.25rem, 2.5vw, 1.625rem);
        line-height: 1.15;
        font-weight: 700;
        letter-spacing: -0.02em;
        color: var(--fg-primary);
        margin-block-end: var(--space-4);
    }

    .deck-body {
        font-size: var(--text-sm);
        line-height: var(--leading-relaxed, 1.65);
        color: var(--fg-secondary);
        margin-block-end: var(--space-5);
    }
    .deck-body code {
        font-family: var(--font-mono, ui-monospace, monospace);
        font-size: 0.85em;
        padding: 0.1em 0.4em;
        background: color-mix(in oklch, var(--accent) 12%, transparent);
        color: var(--accent);
        border-radius: var(--radius-sm, 4px);
    }
    .deck-body strong { color: var(--fg-primary); font-weight: 600; }

    /* --- slide figures ------------------------------------------------- */

    .deck-figure {
        padding: var(--space-3);
        border: 1px solid var(--border);
        border-radius: var(--radius-md, 8px);
        background: color-mix(in oklch, var(--bg-primary) 75%, transparent);
    }
    .deck-figure-row {
        display: grid;
        grid-template-columns: 1fr 2fr 1fr;
        gap: var(--space-2);
    }
    .deck-figure-arrow {
        text-align: center;
        font-size: 0.8rem;
        color: var(--fg-muted);
        margin-block: var(--space-2);
    }
    .deck-pill {
        padding: var(--space-2) var(--space-2);
        border-radius: var(--radius-sm, 4px);
        background: var(--bg-tertiary);
        color: var(--fg-muted);
        font-size: 0.7rem;
        text-align: center;
        border: 1px dashed var(--border);
    }
    .deck-pill-solid {
        background: var(--fg-secondary);
        color: var(--bg-primary);
        border-style: solid;
        border-color: var(--fg-secondary);
        font-weight: 600;
    }
    .deck-pill-accent {
        background: color-mix(in oklch, var(--accent) 15%, var(--bg-primary));
        color: var(--accent);
        border: 1px solid color-mix(in oklch, var(--accent) 35%, transparent);
        font-weight: 600;
    }

    .deck-chiplist {
        display: flex;
        align-items: center;
        gap: var(--space-1);
        flex-wrap: wrap;
        padding: var(--space-3);
        border-radius: var(--radius-md, 8px);
        background: color-mix(in oklch, var(--bg-primary) 75%, transparent);
        border: 1px solid var(--border);
    }
    .deck-chip {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
        border-radius: 999px;
        background: var(--bg-tertiary);
        color: var(--fg-muted);
        border: 1px solid var(--border);
    }
    .deck-chip-active {
        background: var(--accent);
        color: var(--accent-fg);
        border-color: var(--accent);
        font-weight: 600;
    }
    .deck-chip-arrow { color: var(--fg-muted); opacity: 0.6; font-size: 0.9rem; }

    .deck-code {
        padding: var(--space-3);
        border-radius: var(--radius-md, 8px);
        background: color-mix(in oklch, var(--fg-primary) 92%, transparent);
        color: var(--bg-primary);
        font-family: var(--font-mono, ui-monospace, monospace);
        font-size: 0.72rem;
        line-height: 1.55;
        overflow-x: auto;
        border: 1px solid color-mix(in oklch, var(--accent) 25%, transparent);
        margin: 0;
    }
    .deck-code .tk-s { color: oklch(78% 0.15 200); }
    .deck-code .tk-k { color: oklch(82% 0.16 300); }
    .deck-code .tk-v { color: oklch(88% 0.14 100); }
    .deck-code .tk-p { color: color-mix(in oklch, var(--bg-primary) 70%, var(--fg-muted)); }

    .deck-stat {
        padding: var(--space-4);
        border-radius: var(--radius-md, 8px);
        background: linear-gradient(135deg,
            color-mix(in oklch, var(--accent) 18%, var(--bg-primary)) 0%,
            color-mix(in oklch, var(--accent) 6%, var(--bg-primary)) 100%);
        border: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
        text-align: center;
    }
    .deck-stat-value {
        font-size: clamp(1.5rem, 3.5vw, 2.25rem);
        font-weight: 800;
        color: var(--accent);
        line-height: 1;
        letter-spacing: -0.02em;
        font-variant-numeric: tabular-nums;
    }
    .deck-stat-label {
        font-size: 0.72rem;
        color: var(--fg-secondary);
        text-transform: uppercase;
        letter-spacing: 0.1em;
        margin-block-start: var(--space-2);
    }

    .deck-compare {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3);
    }
    .deck-compare-cell {
        padding: var(--space-3);
        border: 1px solid var(--border);
        border-radius: var(--radius-md, 8px);
        background: color-mix(in oklch, var(--bg-primary) 75%, transparent);
    }
    .deck-compare-label {
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        color: var(--fg-muted);
        margin-block-end: var(--space-2);
        text-align: center;
    }
    .deck-compare-demo {
        height: 38px;
        display: flex;
        gap: 3px;
        overflow: hidden;
        border-radius: var(--radius-sm, 4px);
        background: var(--bg-tertiary);
        padding: 3px;
        position: relative;
    }
    .deck-compare-demo span {
        flex: 1;
        background: var(--accent);
        border-radius: 2px;
        opacity: 0.25;
    }
    .deck-slide.active .deck-compare-slide span {
        animation: deck-slide-demo 2.4s cubic-bezier(0.33, 1, 0.68, 1) infinite;
    }
    .deck-slide.active .deck-compare-slide span:nth-child(2) { animation-delay: 0.8s; }
    .deck-slide.active .deck-compare-slide span:nth-child(3) { animation-delay: 1.6s; }
    .deck-slide.active .deck-compare-fade span {
        animation: deck-fade-demo 2.4s ease-in-out infinite;
    }
    .deck-slide.active .deck-compare-fade span:nth-child(2) { animation-delay: 0.8s; }
    .deck-slide.active .deck-compare-fade span:nth-child(3) { animation-delay: 1.6s; }

    @keyframes deck-slide-demo {
        0%, 30% { opacity: 1; transform: translateX(0); }
        33%, 100% { opacity: 0.25; transform: translateX(-100%); }
    }
    @keyframes deck-fade-demo {
        0%, 30% { opacity: 1; }
        33%, 100% { opacity: 0.25; }
    }

    .deck-stack {
        border: 1px solid var(--border);
        border-radius: var(--radius-md, 8px);
        background: color-mix(in oklch, var(--fg-primary) 92%, transparent);
        font-family: var(--font-mono, ui-monospace, monospace);
        font-size: 0.75rem;
        overflow: hidden;
    }
    .deck-stack-row {
        display: flex;
        justify-content: space-between;
        padding: var(--space-2) var(--space-3);
    }
    .deck-stack-row + .deck-stack-row {
        border-block-start: 1px solid color-mix(in oklch, var(--accent) 12%, transparent);
    }
    .deck-stack-k { color: oklch(78% 0.15 200); }
    .deck-stack-v { color: oklch(88% 0.14 100); }

    /* --- dots ---------------------------------------------------------- */

    .deck-dots {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        padding: var(--space-3) var(--space-4);
        border-block-start: 1px solid var(--border-muted);
        background: color-mix(in oklch, var(--bg-primary) 60%, transparent);
        backdrop-filter: blur(8px);
        flex-shrink: 0;
    }
    .deck-dot {
        width: 6px;
        height: 6px;
        border-radius: 999px;
        background: var(--border);
        border: none;
        padding: 0;
        cursor: pointer;
        transition: width 300ms cubic-bezier(0.33, 1, 0.68, 1),
                    background 200ms ease;
    }
    .deck-dot:hover { background: var(--fg-muted); }
    .deck-dot.active {
        width: 22px;
        background: var(--accent);
    }

    /* --- entry stagger animation on the active slide ------------------- */

    .deck-slide > :not(.deck-num) {
        opacity: 0;
        transform: translateY(10px);
        transition: opacity 520ms cubic-bezier(0.33, 1, 0.68, 1),
                    transform 520ms cubic-bezier(0.33, 1, 0.68, 1);
    }
    .deck-slide > .deck-num {
        opacity: 0;
        transform: scale(0.9);
        transition: opacity 620ms cubic-bezier(0.34, 1.56, 0.64, 1),
                    transform 620ms cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    .deck-slide.active > .deck-num {
        opacity: 1;
        transform: scale(1);
        transition-delay: 80ms;
    }
    .deck-slide.active > :nth-child(2) { opacity: 1; transform: none; transition-delay: 140ms; }
    .deck-slide.active > :nth-child(3) { opacity: 1; transform: none; transition-delay: 220ms; }
    .deck-slide.active > :nth-child(4) { opacity: 1; transform: none; transition-delay: 300ms; }
    .deck-slide.active > :nth-child(5) { opacity: 1; transform: none; transition-delay: 380ms; }
    .deck-slide.active > :nth-child(6) { opacity: 1; transform: none; transition-delay: 460ms; }

    /* Preload state: hold the active slide's children at their pre-anim
       position so the entry stagger actually plays on first paint
       (transitions don't fire for styles applied before the initial render) */
    html.preload .deck-slide.active > :not(.deck-num) {
        opacity: 0 !important;
        transform: translateY(10px) !important;
    }
    html.preload .deck-slide.active > .deck-num {
        opacity: 0 !important;
        transform: scale(0.9) !important;
    }
}