/*
 * AuditLab Site Theme - App Shell + Marketing
 * Blue (Professional) default theme
 * Based on RentaNet site.css framework
 */

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

/* ============================================
   SITE TOKENS - Extended for Marketing
   ============================================ */

@layer site-tokens {
    :root {
        --space-10: 2.5rem;
        --space-12: 3rem;
        --space-16: 4rem;
        --space-20: 5rem;
        --space-24: 6rem;

        --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);

        --radius-xl: 16px;
        --radius-2xl: 24px;
        --radius-full: 9999px;

        --container-xl: 1280px;

        --particle-opacity: 0.3;

        --duration-medium: 400ms;
        --duration-long: 500ms;
        --transition-medium: var(--duration-medium) var(--ease-out);
        --transition-long: var(--duration-long) var(--ease-out);

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

    /* ============================================
       BLUE PROFESSIONAL - Default Theme (H=230)
       ============================================ */

    /* Light Theme */
    :root {
        --bg-primary:   oklch(98% 0.008 230);
        --bg-secondary: oklch(96% 0.012 230);
        --bg-tertiary:  oklch(92% 0.018 230);
        --fg-primary:   oklch(25% 0.04 230);
        --fg-secondary: oklch(40% 0.06 230);
        --fg-muted:     oklch(50% 0.04 230);
        --accent:       oklch(48% 0.18 230);
        --accent-hover: oklch(43% 0.20 230);
        --accent-fg:    oklch(98% 0.01 230);
        --accent-subtle:oklch(92% 0.04 230);
        --accent-glow:  oklch(48% 0.18 230 / 0.3);
        --border:       oklch(85% 0.02 230);
        --border-muted: oklch(90% 0.015 230);
        --success:      oklch(45% 0.15 145);
        --danger:       oklch(55% 0.2 25);
        --warning:      oklch(70% 0.15 85);
        --glass:        oklch(98% 0.008 230);
        --glass-border: oklch(85% 0.02 230 / 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(10% 0.015 230);
            --bg-secondary: oklch(14% 0.02 230);
            --bg-tertiary:  oklch(20% 0.025 230);
            --fg-primary:   oklch(95% 0.02 230);
            --fg-secondary: oklch(75% 0.04 230);
            --fg-muted:     oklch(55% 0.03 230);
            --accent:       oklch(65% 0.16 230);
            --accent-hover: oklch(72% 0.18 230);
            --accent-fg:    oklch(98% 0.01 230);
            --accent-subtle:oklch(20% 0.05 230);
            --accent-glow:  oklch(65% 0.16 230 / 0.4);
            --border:       oklch(28% 0.03 230);
            --border-muted: oklch(20% 0.02 230);
            --success:      oklch(70% 0.15 145);
            --danger:       oklch(70% 0.18 25);
            --warning:      oklch(80% 0.15 85);
            --glass:        oklch(14% 0.02 230 / 0.85);
            --glass-border: oklch(28% 0.03 230 / 0.5);
            --nav-scrolled-bg: oklch(10% 0.015 230 / 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(10% 0.015 230);
        --bg-secondary: oklch(14% 0.02 230);
        --bg-tertiary:  oklch(20% 0.025 230);
        --fg-primary:   oklch(95% 0.02 230);
        --fg-secondary: oklch(75% 0.04 230);
        --fg-muted:     oklch(55% 0.03 230);
        --accent:       oklch(65% 0.16 230);
        --accent-hover: oklch(72% 0.18 230);
        --accent-fg:    oklch(98% 0.01 230);
        --accent-subtle:oklch(20% 0.05 230);
        --accent-glow:  oklch(65% 0.16 230 / 0.4);
        --border:       oklch(28% 0.03 230);
        --border-muted: oklch(20% 0.02 230);
        --success:      oklch(70% 0.15 145);
        --danger:       oklch(70% 0.18 25);
        --warning:      oklch(80% 0.15 85);
        --glass:        oklch(14% 0.02 230 / 0.85);
        --glass-border: oklch(28% 0.03 230 / 0.5);
        --nav-scrolled-bg: oklch(10% 0.015 230 / 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% 0.008 230);
        --bg-secondary: oklch(96% 0.012 230);
        --bg-tertiary:  oklch(92% 0.018 230);
        --fg-primary:   oklch(25% 0.04 230);
        --fg-secondary: oklch(40% 0.06 230);
        --fg-muted:     oklch(50% 0.04 230);
        --accent:       oklch(48% 0.18 230);
        --accent-hover: oklch(43% 0.20 230);
        --accent-fg:    oklch(98% 0.01 230);
        --accent-subtle:oklch(92% 0.04 230);
        --accent-glow:  oklch(48% 0.18 230 / 0.3);
        --border:       oklch(85% 0.02 230);
        --border-muted: oklch(90% 0.015 230);
        --glass:        oklch(98% 0.008 230);
        --glass-border: oklch(85% 0.02 230 / 0.5);
        --nav-scrolled-bg: oklch(100% 0 0 / 0.95);
        --particle-opacity: 0.15;
    }
}

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

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

    main { padding: 0; }
    .overlay { display: none; }

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

    .sidebar-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 {
        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); }

    /* Background - subtle gradient instead of image */
    body {
        background: linear-gradient(135deg, oklch(15% 0.03 230) 0%, oklch(10% 0.02 240) 50%, oklch(12% 0.025 220) 100%);
        background-attachment: fixed;
        min-height: 100vh;
    }

    html.light body,
    :root:not(.dark) body {
        background: linear-gradient(135deg, oklch(96% 0.015 230) 0%, oklch(98% 0.01 240) 50%, oklch(95% 0.02 220) 100%);
    }

    @media (prefers-color-scheme: dark) {
        :root:not(.light) body {
            background: linear-gradient(135deg, oklch(15% 0.03 230) 0%, oklch(10% 0.02 240) 50%, oklch(12% 0.025 220) 100%);
        }
    }

    /* Hero */
    .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: rgb(0 0 0 / 0.4);
        z-index: 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 {
        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 { color: var(--accent); }
    html.dark .gradient-text,
    .hero-bg .gradient-text { color: oklch(75% 0.14 230); }

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

    .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 / 0.3);
        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); }
    html.dark .bg-image-section .section-tag { color: oklch(75% 0.14 230); }
    .bg-image-section .section-header { margin-block-end: 0; }

    .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;
    }

    /* 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;
        box-shadow: 0 20px 40px rgb(0 0 0 / 0), 0 0 20px transparent;
        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;
    }

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

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

@layer site-utilities {
    .mt-8 { margin-block-start: var(--space-8); }
    .mb-8 { margin-block-end: var(--space-8); }
}