/* ============================================================================
   Enhanced Portfolio Styles with Modern CSS Features
   ============================================================================ */

/* ----------------------------------------------------------------------------
   CSS CUSTOM PROPERTIES (Design Tokens)
   ---------------------------------------------------------------------------- */

:root {
    /* Colors - Light Mode */
    --bg: #f8f9fa;
    --primary: #667eea;
    --primary-alt: #764ba2;
    --accent: #3498db;
    --text-main: #2c3e50;
    --text-muted: #7f8c8d;
    --white: #ffffff;
    --error: #e74c3c;
    --success: #27ae60;
    --warning: #f39c12;
    
    /* Shadows */
    --shadow-soft: 0 5px 20px rgba(0,0,0,0.08);
    --shadow-strong: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-focus: 0 0 0 3px rgba(52, 152, 219, 0.3);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 15px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Layout */
    --max-width: 1200px;
    --pad-x: 40px;
    --pad-x-mobile: 20px;
    
    /* Typography Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f172a;
        --text-main: #e2e8f0;
        --text-muted: #94a3b8;
        --white: #1e293b;
        --shadow-soft: 0 5px 20px rgba(0,0,0,0.3);
        --shadow-strong: 0 10px 40px rgba(0,0,0,0.5);
    }
}

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

/* ----------------------------------------------------------------------------
   RESET & BASE STYLES
   ---------------------------------------------------------------------------- */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, 
                 Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background: var(--bg);
    overflow-x: hidden;
}

/* ----------------------------------------------------------------------------
   ACCESSIBILITY
   ---------------------------------------------------------------------------- */

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--accent);
    color: white;
    padding: var(--space-md);
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    border-radius: 0 0 var(--radius-md) 0;
}

.skip-link:focus {
    top: 0;
}

/* Improved focus states */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* High contrast focus for interactive elements */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    box-shadow: var(--shadow-focus);
}

/* ----------------------------------------------------------------------------
   TYPOGRAPHY
   ---------------------------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-block-end: var(--space-md);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
    margin-block-end: var(--space-md);
}

a {
    color: inherit;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ----------------------------------------------------------------------------
   LAYOUT
   ---------------------------------------------------------------------------- */

.container {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-block: var(--space-3xl);
    padding-inline: var(--pad-x);
}

@media (max-width: 768px) {
    .container {
        padding-block: var(--space-2xl);
        padding-inline: var(--pad-x-mobile);
    }
}

.section-header {
    margin-block-end: var(--space-2xl);
}

.section-title {
    font-size: clamp(28px, 5vw, 36px);
    font-weight: 700;
    color: var(--text-main);
    margin-block-end: var(--space-sm);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-muted);
    max-width: 700px;
    line-height: 1.7;
}

/* ----------------------------------------------------------------------------
   GRID HELPERS
   ---------------------------------------------------------------------------- */

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid.two-cols {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

/* ----------------------------------------------------------------------------
   HEADER & NAVIGATION
   ---------------------------------------------------------------------------- */

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
}

.top-nav {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-block: var(--space-sm);
    padding-inline: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-full);
    border: 1px solid rgba(52, 152, 219, 0.12);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(12px);
}

.logo {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.5px;
    background: linear-gradient(120deg, var(--primary), var(--primary-alt));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-sm);
    flex-wrap: wrap;
    align-items: center;
}

.nav-menu a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-sm);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    background: transparent;
    border: 1px solid transparent;
    transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: none;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
    color: var(--primary-alt);
    background: rgba(102, 126, 234, 0.12);
    border-color: rgba(102, 126, 234, 0.2);
    box-shadow: 0 8px 18px rgba(102, 126, 234, 0.18);
}

.nav-toggle {
    display: none;
    border: none;
    background: transparent;
    font-size: 22px;
    cursor: pointer;
    padding: var(--space-sm);
    min-width: 44px;
    min-height: 44px;
}

@media (prefers-color-scheme: dark) {
    .top-nav {
        background: rgba(30, 41, 59, 0.92);
        border-color: rgba(148, 163, 184, 0.2);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
    }

    .nav-menu a:hover,
    .nav-menu a:focus-visible {
        background: rgba(148, 163, 184, 0.18);
        border-color: rgba(148, 163, 184, 0.28);
        color: #e2e8f0;
    }
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .top-nav {
        padding-inline: var(--space-md);
        border-radius: var(--radius-lg);
    }

    .nav-menu {
        position: static;
        flex-direction: column;
        gap: var(--space-sm);
        transform: none;
        opacity: 1;
        pointer-events: auto;
        box-shadow: none;
        background: transparent;
    }

    .js-enabled .nav-menu {
        position: absolute;
        inset-block-start: 100%;
        inset-inline: 0;
        max-width: var(--max-width);
        margin-inline: auto;
        padding: var(--space-lg) var(--pad-x-mobile);
        background: var(--white);
        transform-origin: top;
        transform: scaleY(0);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition-fast), opacity var(--transition-fast);
        box-shadow: var(--shadow-strong);
        border-radius: var(--radius-md);
    }

    .js-enabled .nav-menu.open {
        transform: scaleY(1);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ----------------------------------------------------------------------------
   HERO SECTION
   ---------------------------------------------------------------------------- */

.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-alt) 100%);
    padding-block: var(--space-3xl);
    padding-inline: var(--pad-x);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

/* Subtle animated background effect */
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.08) 0%, transparent 50%);
    animation: heroShine 10s ease-in-out infinite;
}

/* ----------------------------------------------------------------------------
   LOGIN PAGE
   ---------------------------------------------------------------------------- */

.login-body {
    background: radial-gradient(circle at top left, rgba(96, 165, 250, 0.25), transparent 45%),
        radial-gradient(circle at top right, rgba(129, 140, 248, 0.25), transparent 45%),
        linear-gradient(160deg, #0b1120 0%, #121a2f 45%, #0f172a 100%);
    color: #e2e8f0;
    min-height: 100vh;
}

.login-body header {
    background: transparent;
    box-shadow: none;
}

.login-body .top-nav {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(148, 163, 184, 0.2);
    box-shadow: 0 20px 45px rgba(2, 6, 23, 0.45);
}

.login-body .nav-menu a {
    color: #e2e8f0;
}

.login-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--space-3xl) + 40px) var(--pad-x);
}

.login-card {
    width: min(520px, 100%);
    background: linear-gradient(160deg, rgba(15, 23, 42, 0.85), rgba(30, 41, 59, 0.9));
    border-radius: 28px;
    padding: clamp(32px, 4vw, 44px);
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: 0 30px 60px rgba(8, 11, 26, 0.5);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(18px);
}

.login-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(120deg, rgba(56, 189, 248, 0.4), rgba(99, 102, 241, 0.4), rgba(167, 139, 250, 0.4));
    filter: blur(25px);
    opacity: 0.7;
    z-index: 0;
}

.login-card > * {
    position: relative;
    z-index: 1;
}

.login-header {
    margin-bottom: var(--space-xl);
}

.login-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background: rgba(56, 189, 248, 0.15);
    color: #7dd3fc;
    font-weight: 600;
    font-size: var(--text-sm);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.login-header h1 {
    color: #f8fafc;
    font-size: clamp(28px, 4vw, 36px);
    margin-bottom: var(--space-sm);
}

.login-subtitle {
    color: rgba(226, 232, 240, 0.8);
    font-size: var(--text-lg);
}

.login-form {
    display: grid;
    gap: var(--space-lg);
}

.login-field label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: #e2e8f0;
}

.login-field input {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(15, 23, 42, 0.6);
    color: #f8fafc;
    font-size: var(--text-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.login-field input::placeholder {
    color: rgba(148, 163, 184, 0.7);
}

.login-field input:focus {
    border-color: rgba(56, 189, 248, 0.7);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25);
    transform: translateY(-1px);
}

.login-hint {
    margin-top: var(--space-xs);
    color: rgba(148, 163, 184, 0.8);
    font-size: var(--text-sm);
}

.login-button {
    padding: 14px 18px;
    border-radius: var(--radius-full);
    border: none;
    font-weight: 700;
    font-size: var(--text-base);
    color: #0f172a;
    background: linear-gradient(120deg, #38bdf8, #6366f1, #a855f7);
    box-shadow: 0 12px 30px rgba(56, 189, 248, 0.35);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.login-button:hover,
.login-button:focus-visible {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 18px 40px rgba(99, 102, 241, 0.45);
}

.login-meta {
    display: grid;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.2);
    color: rgba(226, 232, 240, 0.85);
    font-size: var(--text-sm);
}

.login-meta__label {
    display: block;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(125, 211, 252, 0.8);
    margin-bottom: 2px;
}

.login-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(2, 6, 23, 0.7);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    z-index: 2000;
    backdrop-filter: blur(6px);
}

.login-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.login-overlay__card {
    background: linear-gradient(160deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.95));
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    width: min(380px, 90vw);
    text-align: center;
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: 0 25px 45px rgba(2, 6, 23, 0.6);
    color: #e2e8f0;
}

.login-spinner {
    width: 46px;
    height: 46px;
    margin: 0 auto var(--space-md);
    border-radius: 50%;
    border: 4px solid rgba(56, 189, 248, 0.2);
    border-top-color: #38bdf8;
    animation: login-spin 1s linear infinite;
}

.login-success-icon {
    display: none;
    width: 54px;
    height: 54px;
    margin: 0 auto var(--space-md);
    border-radius: 50%;
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
    font-size: 28px;
    align-items: center;
    justify-content: center;
}

.login-overlay.is-success .login-spinner {
    display: none;
}

.login-overlay.is-success .login-success-icon {
    display: flex;
}

.login-overlay__title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.login-overlay__message {
    color: rgba(226, 232, 240, 0.75);
    font-size: var(--text-sm);
}

@keyframes login-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    .login-main {
        padding: var(--space-2xl) var(--pad-x-mobile);
    }

    .login-card {
        border-radius: 20px;
    }
}

@keyframes heroShine {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-inner {
    max-width: var(--max-width);
    margin-inline: auto;
    position: relative;
    z-index: 1;
}

.hero-label {
    display: inline-block;
    padding-block: var(--space-sm);
    padding-inline: var(--space-lg);
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.16);
    backdrop-filter: blur(10px);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(36px, 8vw, 52px);
    font-weight: 700;
    margin-block-start: var(--space-lg);
    margin-block-end: var(--space-sm);
}

.hero-subtitle {
    font-size: clamp(18px, 3vw, 22px);
    font-weight: 300;
    opacity: 0.95;
    margin-block-end: var(--space-2xl);
}

.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: var(--space-lg);
}

.stat-box {
    background: rgba(255,255,255,0.16);
    backdrop-filter: blur(10px);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.2);
    text-align: center;
    transition: transform var(--transition), background var(--transition);
}

.stat-box:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.22);
}

.stat-number {
    font-size: clamp(28px, 5vw, 36px);
    font-weight: 700;
    margin-block-end: var(--space-xs);
}

.stat-label {
    font-size: var(--text-sm);
    font-weight: 500;
    opacity: 0.9;
}

/* ----------------------------------------------------------------------------
   CARDS
   ---------------------------------------------------------------------------- */

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-block-end: var(--space-md);
    color: var(--text-main);
}

/* ----------------------------------------------------------------------------
   CODE BLOCKS
   ---------------------------------------------------------------------------- */

.code-block {
    background: #0f172a;
    color: #e2e8f0;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    line-height: 1.6;
    overflow-x: auto;
    box-shadow: var(--shadow-soft);
    margin-block-end: var(--space-md);
}

.code-block code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* ----------------------------------------------------------------------------
   CODE PREVIEWS
   ---------------------------------------------------------------------------- */

.code-example {
    display: grid;
    gap: var(--space-md);
}

.code-preview {
    background: linear-gradient(145deg, rgba(102,126,234,0.08), rgba(118,75,162,0.08));
    border: 1px solid rgba(102,126,234,0.2);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
}

.code-preview__label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    font-weight: 700;
    margin-block-end: var(--space-sm);
}

.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-block-end: var(--space-sm);
    border-bottom: 1px solid rgba(148,163,184,0.25);
    margin-block-end: var(--space-md);
}

.preview-logo {
    font-weight: 700;
    font-size: var(--text-sm);
}

.preview-nav {
    display: flex;
    gap: var(--space-sm);
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.preview-toggle {
    border: 1px solid rgba(148,163,184,0.35);
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 0.1rem 0.4rem;
    font-size: var(--text-sm);
}

.preview-main {
    display: grid;
    gap: var(--space-sm);
}

.preview-section-title {
    font-weight: 600;
    font-size: var(--text-sm);
}

.preview-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-sm);
}

.preview-kpi-card {
    background: var(--white);
    border: 1px solid rgba(148,163,184,0.3);
    border-radius: var(--radius-sm);
    padding: var(--space-sm);
    display: grid;
    gap: 0.25rem;
    font-size: var(--text-xs);
}

.metrics-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.metrics-table caption {
    text-align: left;
    margin-block-end: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--text-xs);
}

.metrics-table th,
.metrics-table td {
    padding: 0.5rem;
    text-align: left;
    border-bottom: 1px solid rgba(148,163,184,0.3);
}

.metrics-table tbody tr:last-child th,
.metrics-table tbody tr:last-child td {
    border-bottom: none;
}

.form-preview {
    display: grid;
    gap: var(--space-md);
}

.form-preview__row {
    display: grid;
    gap: 0.35rem;
    font-size: var(--text-sm);
}

.form-preview input,
.form-preview select,
.js-preview-search input,
.js-preview-form input {
    padding: 0.5rem 0.65rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(148,163,184,0.45);
    background: var(--white);
    font-size: var(--text-sm);
}

.modal-preview {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    border: 1px solid rgba(148,163,184,0.3);
    display: grid;
    gap: var(--space-sm);
}

.modal-preview__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-sm);
}

.modal-preview__close {
    border: none;
    background: transparent;
    font-size: var(--text-lg);
    cursor: pointer;
    color: var(--text-muted);
}

.modal-preview__footer {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

.modal-preview--compact {
    padding: var(--space-lg);
}

.stat-preview-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    border: 1px solid rgba(148,163,184,0.3);
    display: grid;
    gap: 0.35rem;
}

.stat-preview-card__label {
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stat-preview-card__value {
    font-size: var(--text-2xl);
    font-weight: 700;
}

.stat-preview-card__delta {
    font-size: var(--text-xs);
    color: var(--success);
    font-weight: 600;
}

.token-preview {
    display: grid;
    gap: var(--space-md);
}

.token-preview__swatches {
    display: flex;
    gap: var(--space-sm);
}

.token-preview__swatch {
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.55rem;
    font-size: var(--text-xs);
    font-weight: 600;
    color: #fff;
}

.token-preview__swatch--bg {
    background: #050816;
}

.token-preview__swatch--surface {
    background: #0b1020;
}

.token-preview__swatch--accent {
    background: #f15a22;
}

.token-preview__card {
    background: #0b1020;
    color: #f5f7ff;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
}

.layout-preview {
    display: grid;
    gap: var(--space-md);
}

.layout-preview__stack,
.layout-preview__cluster,
.layout-preview__grid {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.layout-preview__stack {
    flex-direction: column;
}

.layout-preview__stack span,
.layout-preview__cluster span,
.layout-preview__grid span {
    background: var(--white);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(148,163,184,0.3);
    padding: 0.35rem 0.6rem;
    font-size: var(--text-xs);
}

.layout-preview__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.badge-preview {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.badge--success {
    background: rgba(34, 197, 94, 0.12);
    color: #15803d;
    border: 1px solid rgba(34, 197, 94, 0.5);
}

.badge--critical {
    background: rgba(248, 113, 113, 0.14);
    color: #b91c1c;
    border: 1px solid rgba(248, 113, 113, 0.6);
}

.glass-card {
    padding: var(--space-md);
    border-radius: 24px;
    background: linear-gradient(145deg, rgba(15,23,42,0.9), rgba(15,23,42,0.65));
    border: 1px solid rgba(148,163,184,0.25);
    color: #f8fafc;
    display: grid;
    gap: 0.35rem;
}

.js-preview-dashboard {
    display: grid;
    gap: var(--space-md);
}

.js-preview-dashboard__controls {
    display: flex;
    gap: var(--space-sm);
}

.js-preview-dashboard__button {
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(148,163,184,0.4);
    background: var(--white);
    font-size: var(--text-xs);
    font-weight: 600;
}

.js-preview-dashboard__button--active {
    background: rgba(102,126,234,0.15);
    border-color: rgba(102,126,234,0.6);
    color: var(--text-main);
}

.js-preview-dashboard__kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-sm);
}

.js-preview-dashboard__kpis div {
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: var(--space-sm);
    border: 1px solid rgba(148,163,184,0.3);
    display: grid;
    gap: 0.2rem;
    font-size: var(--text-xs);
}

.js-preview-search {
    display: grid;
    gap: var(--space-sm);
    font-size: var(--text-sm);
}

.js-preview-search__results {
    list-style: none;
    display: grid;
    gap: 0.35rem;
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.js-preview-flags {
    display: grid;
    gap: var(--space-sm);
    font-size: var(--text-sm);
}

.js-preview-flags div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.65rem;
    border: 1px solid rgba(148,163,184,0.3);
}

.js-preview-flags__state {
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
}

.js-preview-flags__state--on {
    color: var(--success);
}

.js-preview-flags__state--off {
    color: var(--error);
}

.js-preview-form {
    display: grid;
    gap: var(--space-sm);
    font-size: var(--text-sm);
}

/* ----------------------------------------------------------------------------
   STACKED SECTIONS
   ---------------------------------------------------------------------------- */

.stacked-section {
    margin-block-start: var(--space-3xl);
}

/* ----------------------------------------------------------------------------
   SHOWCASE PANELS
   ---------------------------------------------------------------------------- */

.showcase-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.showcase-panel {
    background: linear-gradient(135deg, rgba(102,126,234,0.08), rgba(118,75,162,0.1));
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(102,126,234,0.2);
    box-shadow: var(--shadow-soft);
}

.showcase-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-block-end: var(--space-sm);
}

.showcase-kicker {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-block-end: var(--space-sm);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    background: rgba(102,126,234,0.15);
    color: var(--text-main);
    font-size: var(--text-xs);
    font-weight: 600;
}

.timeline {
    display: grid;
    gap: var(--space-md);
}

.timeline-item {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow-soft);
}

.callout {
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(52,152,219,0.12), rgba(118,75,162,0.12));
    border: 1px solid rgba(52,152,219,0.25);
}

.split-card {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    align-items: start;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-block-start: var(--space-sm);
}

.badge {
    background: var(--text-main);
    color: var(--white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 600;
}

/* ----------------------------------------------------------------------------
   API VISUALIZATION
   ---------------------------------------------------------------------------- */

.api-surface {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

.api-column {
    display: grid;
    gap: var(--space-lg);
}

.api-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid rgba(102,126,234,0.2);
    box-shadow: var(--shadow-soft);
}

.api-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-block-end: var(--space-md);
}

.api-pill {
    background: rgba(102,126,234,0.16);
    color: var(--primary);
    font-weight: 700;
    font-size: var(--text-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
}

.api-verb-row {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    gap: var(--space-sm);
    align-items: center;
    padding-block: var(--space-sm);
    border-block-end: 1px solid #edf2f7;
    font-size: var(--text-sm);
}

.api-verb-row:last-child {
    border-block-end: none;
}

.api-verb {
    font-weight: 700;
    color: var(--primary);
}

.api-path {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.85rem;
}

.api-meta {
    color: var(--text-muted);
    font-size: var(--text-xs);
}

.api-gate {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(52,152,219,0.2);
    display: grid;
    gap: var(--space-lg);
}

.gate-step {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.gate-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    margin-block-start: 6px;
}

.config-map {
    display: grid;
    gap: var(--space-sm);
    margin-block-end: var(--space-md);
}

.config-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: #f8fafc;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
}

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

.config-mask {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
}

.data-cell {
    background: #f8fafc;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    display: grid;
    gap: var(--space-xs);
    font-size: var(--text-sm);
}

.data-cell small {
    color: var(--text-muted);
}

.response-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-md);
}

.response-card {
    background: #f8fafc;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    border: 1px solid #e2e8f0;
}

.quality-bars {
    display: grid;
    gap: var(--space-md);
    margin-block-end: var(--space-md);
}

.quality-row {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: var(--space-sm);
    align-items: center;
    font-size: var(--text-sm);
}

.quality-bar {
    height: 8px;
    background: #e2e8f0;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.quality-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-alt));
}

.masking-demo {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    background: #f8fafc;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    font-size: var(--text-sm);
}

.error-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-md);
    margin-block-end: var(--space-md);
}

.error-card {
    background: #f8fafc;
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    border: 1px solid #e2e8f0;
    font-size: var(--text-sm);
}

/* ----------------------------------------------------------------------------
   PIPELINE VISUALS
   ---------------------------------------------------------------------------- */

.pipeline-flow {
    display: grid;
    gap: var(--space-md);
}

.pipeline-node {
    display: grid;
    gap: var(--space-xs);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    position: relative;
}

.pipeline-node::after {
    content: '';
    position: absolute;
    inset-inline-start: 20px;
    inset-block-end: -12px;
    width: 2px;
    height: 12px;
    background: rgba(102,126,234,0.4);
}

.pipeline-node:last-child::after {
    display: none;
}

.node-title {
    font-weight: 700;
    font-size: var(--text-sm);
}

.node-subtitle {
    color: var(--text-muted);
    font-size: var(--text-xs);
}

.quality-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.pyramid {
    display: grid;
    gap: var(--space-sm);
}

.pyramid-layer {
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
}

.layer-top {
    background: rgba(102,126,234,0.12);
}

.layer-mid {
    background: rgba(52,152,219,0.12);
}

.layer-base {
    background: rgba(118,75,162,0.12);
}

.branch-map {
    display: grid;
    gap: var(--space-sm);
    font-size: var(--text-sm);
}

.branch-line {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.main-branch {
    border-left: 4px solid var(--primary);
}

.feature-branch {
    border-left: 4px solid var(--accent);
}

.hotfix-branch {
    border-left: 4px solid var(--error);
}

.release-branch {
    border-left: 4px solid var(--success);
}

.release-notes {
    display: grid;
    gap: var(--space-md);
    font-size: var(--text-sm);
    background: #f8fafc;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid #e2e8f0;
}

/* Experience Cards */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
    gap: var(--space-lg);
}

.experience-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.experience-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
}

.card-header {
    padding: var(--space-lg) var(--space-xl);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-alt) 100%);
    color: var(--white);
}

.card-company {
    font-size: var(--text-sm);
    opacity: 0.95;
    margin-block-start: var(--space-xs);
}

.card-date {
    margin-block-start: var(--space-md);
    display: inline-block;
    padding-block: var(--space-xs);
    padding-inline: var(--space-md);
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.16);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.card-content {
    padding: var(--space-lg) var(--space-xl);
}

.achievement-list {
    list-style: none;
}

.achievement-list li {
    position: relative;
    padding-block: var(--space-md);
    padding-inline-start: var(--space-xl);
    border-block-end: 1px solid #ecf0f1;
    font-size: var(--text-sm);
    color: #555;
    transition: 
        background var(--transition),
        color var(--transition),
        padding-inline-start var(--transition);
}

.achievement-list li:last-child {
    border-block-end: none;
}

.achievement-list li::before {
    content: "→";
    position: absolute;
    inset-inline-start: var(--space-sm);
    inset-block-start: var(--space-md);
    color: var(--accent);
    font-weight: 700;
}

.achievement-list li:hover {
    background: #f8f9fa;
    color: var(--text-main);
    padding-inline-start: calc(var(--space-xl) + var(--space-xs));
}

/* ----------------------------------------------------------------------------
   SKILLS
   ---------------------------------------------------------------------------- */

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: var(--space-lg);
}

.skill-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), box-shadow var(--transition);
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.skill-header {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-main);
    padding-block-end: var(--space-md);
    border-block-end: 3px solid var(--accent);
    margin-block-end: var(--space-lg);
}

.skill-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.skill-pill {
    display: inline-block;
    padding-block: var(--space-sm);
    padding-inline: var(--space-md);
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-alt) 100%);
    color: var(--white);
    font-size: var(--text-sm);
    font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition);
}

.skill-pill:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(102,126,234,0.4);
}

/* ----------------------------------------------------------------------------
   DASHBOARD / DEMO
   ---------------------------------------------------------------------------- */

.demo-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl) var(--space-xl);
    box-shadow: var(--shadow-strong);
}

.demo-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
    margin-block-end: var(--space-2xl);
}

.demo-title {
    font-size: clamp(20px, 4vw, 26px);
    font-weight: 700;
    color: var(--text-main);
}

.demo-subtitle {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-block-start: var(--space-xs);
}

.demo-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.demo-btn {
    border: none;
    border-radius: var(--radius-sm);
    padding-block: var(--space-sm);
    padding-inline: var(--space-md);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-alt) 100%);
    cursor: pointer;
    min-height: 44px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.demo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 16px rgba(102,126,234,0.4);
}

.demo-btn.active {
    background: var(--text-main);
    box-shadow: 0 5px 16px rgba(44,62,80,0.4);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
    gap: var(--space-lg);
    margin-block-end: var(--space-2xl);
}

.metric-card {
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-alt) 100%);
    color: var(--white);
    transition: transform var(--transition), box-shadow var(--transition);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(102,126,234,0.4);
}

@keyframes pulse {
    0% { transform: scale(1); }
    40% { transform: scale(1.03); }
    100% { transform: scale(1); }
}

.metric-card.pulse {
    animation: pulse 0.5s ease-out;
}

.metric-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-block-end: var(--space-sm);
    opacity: 0.9;
    font-weight: 600;
}

.metric-value {
    font-size: clamp(24px, 5vw, 30px);
    font-weight: 700;
    margin-block-end: var(--space-xs);
}

.metric-change {
    font-size: var(--text-sm);
    font-weight: 600;
    opacity: 0.9;
}

.chart-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
}

.chart-container {
    background: rgba(102, 126, 234, 0.08);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
}

.chart-title {
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.demo-section .bar-chart {
    display: flex;
    align-items: flex-end;
    gap: var(--space-md);
    height: 180px;
    padding-bottom: var(--space-xl);
}

.demo-section .bar-chart .bar {
    flex: 1;
    border-radius: var(--radius-sm);
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.75), rgba(118, 75, 162, 0.6));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding: var(--space-sm) var(--space-xs);
    min-height: 60px;
}

.demo-section .bar-chart .bar span {
    position: static;
    transform: none;
    font-size: var(--text-xs);
    color: var(--white);
    font-weight: 600;
}

.demo-section .bar-chart .bar-value {
    font-size: var(--text-sm);
}

.demo-section .bar-chart .bar-label {
    font-size: var(--text-xs);
    opacity: 0.9;
}

.trend-line {
    display: flex;
    align-items: flex-end;
    gap: var(--space-md);
    height: 180px;
    padding: var(--space-lg) var(--space-sm) var(--space-xl);
    background: rgba(102, 126, 234, 0.08);
    border-radius: var(--radius-md);
}

.trend-point {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-alt));
    position: relative;
}

.trend-point::after {
    content: attr(data-value);
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ----------------------------------------------------------------------------
   FOOTER
   ---------------------------------------------------------------------------- */

footer {
    background: #2c3e50;
    color: var(--white);
    padding-block: var(--space-2xl);
    padding-inline: var(--space-lg);
    margin-block-start: var(--space-3xl);
    text-align: center;
}

footer p {
    font-size: var(--text-sm);
    opacity: 0.9;
    margin-block-end: var(--space-xs);
}

/* ----------------------------------------------------------------------------
   PLATFORM LAB PAGE
   ---------------------------------------------------------------------------- */

.page-hero {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12), rgba(118, 75, 162, 0.18));
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    margin-block: var(--space-2xl);
}

.hero-kicker {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.pill {
    background: rgba(52, 152, 219, 0.12);
    color: var(--accent);
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
}

.scope-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
}

.scope-card {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    padding: var(--space-lg);
}

.scope-card h3 {
    margin-bottom: var(--space-sm);
}

.scope-card ul {
    padding-left: 1.2rem;
}

.scope-card--accent {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.18), rgba(52, 152, 219, 0.12));
}

.scope-card--dark {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.12), rgba(15, 23, 42, 0.18));
}

.lab-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-block: var(--space-lg);
}

.lab-summary-card {
    margin-top: var(--space-lg);
}

.lab-deliverable-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.lab-deliverable-list span {
    background: rgba(52, 152, 219, 0.1);
    padding: 0.35rem 0.7rem;
    border-radius: var(--radius-full);
}

.pipeline-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
}

.pipeline-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.pipeline-steps {
    display: grid;
    gap: var(--space-sm);
}

.pipeline-step {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    background: rgba(52, 152, 219, 0.1);
    font-weight: 600;
    color: var(--text-main);
    transition: var(--transition);
}

.pipeline-step.is-active {
    background: var(--accent);
    color: #fff;
    transform: translateX(6px);
}

.pipeline-status {
    margin-top: var(--space-md);
    color: var(--text-muted);
    font-weight: 600;
}

.live-demo {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: var(--space-md);
}

.live-demo-frame {
    width: 100%;
    min-height: 520px;
    border: 1px solid rgba(52, 152, 219, 0.2);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-soft);
}

.live-demo-note {
    margin: 0;
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.kpi-dashboard {
    display: grid;
    gap: var(--space-lg);
}

.kpi-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
}

.kpi-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-md);
}

.bar-chart {
    display: grid;
    gap: var(--space-sm);
}

.bar-chart .bar {
    position: relative;
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    background: rgba(52, 152, 219, 0.12);
    overflow: hidden;
    font-weight: 600;
    z-index: 1;
}

.bar-chart .bar::after {
    content: '';
    position: absolute;
    inset: 0;
    width: var(--bar, 50%);
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.45), rgba(52, 152, 219, 0.35));
    z-index: 0;
}

.bar-chart .bar span {
    position: absolute;
    right: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    font-size: var(--text-sm);
}

@media (max-width: 900px) {
    .live-demo-frame {
        min-height: 420px;
    }
}

/* ----------------------------------------------------------------------------
   LEARNING LIBRARY
   ---------------------------------------------------------------------------- */

.learning-library {
    display: grid;
    gap: var(--space-lg);
}

.library-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 23, 42, 0.04);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
}

.library-search {
    flex: 1;
    min-width: 240px;
    display: flex;
    align-items: center;
}

.library-search input {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(15, 23, 42, 0.15);
    font-size: 0.95rem;
}

.library-filter select {
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(15, 23, 42, 0.15);
    background: var(--white);
}

.library-meta {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
}

.library-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: var(--space-sm);
}

.library-card__header {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.library-card__title {
    font-size: 1.05rem;
    margin: 0;
}

.library-card__summary {
    color: var(--text-muted);
    margin: 0;
}

.library-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--text-main);
}

.library-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.library-tag {
    background: rgba(37, 99, 235, 0.1);
    color: #1d4ed8;
    border-radius: 999px;
    padding: 0.2rem 0.6rem;
    font-size: var(--text-xs);
}

.library-more {
    align-self: center;
    border: none;
    background: var(--primary);
    color: var(--white);
    padding: 0.75rem 1.6rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}

.library-more:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.library-more:disabled {
    background: rgba(37, 99, 235, 0.6);
    cursor: not-allowed;
}

.library-empty {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

@media (max-width: 720px) {
    .library-controls {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ----------------------------------------------------------------------------
   UTILITY CLASSES
   ---------------------------------------------------------------------------- */

.text-center { text-align: center; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-4 { gap: var(--space-md); }

/* ----------------------------------------------------------------------------
   PRINT STYLES
   ---------------------------------------------------------------------------- */

@media print {
    header,
    footer,
    .nav-toggle,
    .demo-controls {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }

    a {
        text-decoration: underline;
    }
}