/* ===========================================
   Texas Water Backbone - Main Stylesheet
   =========================================== */

/* -----------------------------
   CSS Custom Properties
   ----------------------------- */
:root {
    /* ===== COLOR SYSTEM ===== */
    /* Texas-inspired, colorblind-accessible palette */

    /* Primary Colors - Texas Sky Blue */
    --color-primary: #0F5499;
    --color-primary-dark: #0A3D6B;
    --color-primary-light: #3A7BC0;

    /* Secondary Colors - Hill Country Earth */
    --color-secondary: #8B6F47;
    --color-secondary-dark: #5D4A2F;
    --color-secondary-light: #B39874;

    /* Accent Colors - Texas Sunset Orange */
    --color-accent: #D95F02;
    --color-accent-light: #FF8C3A;
    --color-accent-dark: #B44E02;

    /* Semantic Colors (CVD-safe) */
    --color-success: #117733;
    --color-warning: #DDAA33;
    --color-danger: #CC3311;
    --color-info: #0F5499;

    /* CTA Colors */
    --color-cta: #D95F02;
    --color-cta-hover: #B44E02;

    /* Text Colors */
    --color-text: #1a1a1a;
    --color-text-medium: #4d4d4d;
    --color-text-light: #6b6b6b;
    --color-text-muted: #999999;

    /* Background Colors */
    --color-bg: #ffffff;
    --color-bg-light: #f7f7f7;
    --color-bg-medium: #eeeeee;
    --color-bg-dark: #e0e0e0;

    /* Border Colors */
    --color-border: #d4d4d4;
    --color-border-light: #eeeeee;
    --color-border-dark: #b8b8b8;

    /* ===== TYPOGRAPHY ===== */

    /* Font Families */
    --font-sans: 'Inter', ui-sans-serif, -apple-system, BlinkMacSystemFont,
                 "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-serif: 'Lora', ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
    --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Monaco, monospace;

    /* Legacy alias */
    --font-family: var(--font-sans);

    /* Font Sizes - Major Third Scale (1.25) */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;

    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height: 1.625;

    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Letter Spacing */
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    --letter-spacing-widest: 0.1em;

    /* ===== SPACING ===== */

    --spacing-0: 0;
    --spacing-px: 1px;
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;

    /* Legacy spacing aliases */
    --spacing-xs: var(--spacing-1);
    --spacing-sm: var(--spacing-2);
    --spacing-md: var(--spacing-4);
    --spacing-lg: var(--spacing-6);
    --spacing-xl: var(--spacing-8);
    --spacing-2xl: var(--spacing-12);
    --spacing-3xl: var(--spacing-16);

    /* Layout-specific spacing */
    --container-padding: var(--spacing-6);
    --section-spacing: var(--spacing-20);
    --component-spacing: var(--spacing-8);

    /* ===== LAYOUT ===== */

    --sidebar-width: 280px;
    --sidebar-collapsed-width: 60px;
    --header-height: 60px;
    --max-content-width: 900px;
    --max-page-width: 1400px;

    /* ===== EFFECTS ===== */

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
    /* Primary Colors */
    --color-primary: #4A9EE0;
    --color-primary-dark: #3A7BC0;
    --color-primary-light: #6BB5F0;

    /* Secondary Colors */
    --color-secondary: #B39874;
    --color-secondary-dark: #8B6F47;
    --color-secondary-light: #D4BFA0;

    /* Accent Colors */
    --color-accent: #FF8C3A;
    --color-accent-light: #FFB070;
    --color-accent-dark: #D95F02;

    /* Semantic Colors */
    --color-success: #44BB77;
    --color-warning: #EEBB44;
    --color-danger: #EE5544;
    --color-info: #4A9EE0;

    /* CTA Colors */
    --color-cta: #FF8C3A;
    --color-cta-hover: #FFB070;

    /* Text Colors */
    --color-text: #e8e8e8;
    --color-text-medium: #b8b8b8;
    --color-text-light: #999999;
    --color-text-muted: #6b6b6b;

    /* Background Colors */
    --color-bg: #1a1a1a;
    --color-bg-light: #2a2a2a;
    --color-bg-medium: #3a3a3a;
    --color-bg-dark: #4d4d4d;

    /* Border Colors */
    --color-border: #3a3a3a;
    --color-border-light: #4d4d4d;
    --color-border-dark: #2a2a2a;

    /* Adjust shadows for dark mode */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5), 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6), 0 10px 10px rgba(0, 0, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* -----------------------------
   Typography
   ----------------------------- */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
}

/* Section headings need generous top spacing for visual separation */
h2 {
    margin-top: var(--spacing-16);  /* 4rem - major section breaks */
}

h3 {
    margin-top: var(--spacing-12);  /* 3rem - subsection breaks */
}

h4, h5, h6 {
    margin-top: var(--spacing-8);  /* 2rem - minor breaks */
}

/* First heading in content area shouldn't have extra top margin */
.content-area > h1:first-child,
.content-area > h2:first-child,
.content-area > h3:first-child {
    margin-top: 0;
}

/* H1 & H2 use Lora serif for impact */
h1 {
    font-family: var(--font-serif);
    font-size: var(--font-size-4xl);
    line-height: var(--line-height-tight);
    font-weight: 600;
}

h2 {
    font-family: var(--font-serif);
    font-size: var(--font-size-3xl);
    line-height: var(--line-height-snug);
    font-weight: 600;
}

/* H3-H6 use Inter sans for subheadings */
h3 {
    font-family: var(--font-sans);
    font-size: var(--font-size-2xl);
    line-height: var(--line-height-snug);
}

h4 {
    font-family: var(--font-sans);
    font-size: var(--font-size-xl);
    line-height: var(--line-height-normal);
    font-weight: var(--font-weight-semibold);
}

h5 {
    font-family: var(--font-sans);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

h6 {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

p {
    margin-bottom: var(--spacing-lg);
    max-width: 70ch;
}

/* Lists */
ul, ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);  /* Align bullets/numbers with content edge */
    max-width: 70ch;
}

li {
    margin-bottom: var(--spacing-sm);
}

/* Lead/intro text */
.lead {
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-medium);
}

/* Emphasis uses Lora italic */
em {
    font-family: var(--font-serif);
    font-style: italic;
}

strong {
    font-weight: var(--font-weight-semibold);
}

/* Blockquotes */
blockquote {
    font-family: var(--font-serif);
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: var(--line-height-relaxed);
    font-style: italic;
    padding-left: var(--spacing-6);
    border-left: 4px solid var(--color-accent);
    margin: var(--spacing-8) 0;
    color: var(--color-text-medium);
}

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

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

/* Labels/uppercase text */
.label {
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-widest);
}

/* -----------------------------
   Layout: Page Shell
   ----------------------------- */
.page-wrapper {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-collapsed-width);
    transition: margin-left var(--transition-base);
    display: flex;
    flex-direction: column;
}

body.sidebar-expanded .main-content {
    margin-left: var(--sidebar-width);
}

.content-area {
    flex: 1;
    max-width: var(--max-content-width);
    margin: 0;  /* Align left, closer to sidebar */
    padding: var(--spacing-xl);
    width: 100%;
}

/* Wide content for homepage */
.content-area--wide {
    max-width: var(--max-page-width);
}

/* -----------------------------
   Sidebar
   ----------------------------- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-collapsed-width);
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    color: white;
    z-index: 1000;
    transition: width var(--transition-base);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

body.sidebar-expanded .sidebar {
    width: var(--sidebar-width);
}

.sidebar__header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar__header-top {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.sidebar__header-controls {
    display: none;
}

body.sidebar-expanded .sidebar__header-controls {
    display: flex;
    flex-direction: row !important;
    align-items: center;
    gap: var(--spacing-sm);
}

.sidebar__logo {
    width: 28px;
    height: auto;
    flex-shrink: 0;
    vertical-align: middle;
}

.sidebar__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    display: none;
    line-height: 28px;
}

body.sidebar-expanded .sidebar__title {
    display: inline;
}

.sidebar__toggle,
.theme-toggle {
    background: none;
    border: none;
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}

.sidebar__toggle:hover,
.theme-toggle:hover {
    background-color: rgba(255,255,255,0.1);
    color: white;
}

.sidebar__nav {
    flex: 1;
    padding: var(--spacing-md) 0;
    overflow-y: auto;
}

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

.sidebar__nav-item {
    margin: var(--spacing-xs) 0;
}

.sidebar__nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.sidebar__nav-link:hover,
.sidebar__nav-link--active {
    color: white;
    background-color: rgba(255,255,255,0.1);
}

.sidebar__nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    text-align: center;
}

.sidebar__nav-text {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

body.sidebar-expanded .sidebar__nav-text {
    opacity: 1;
}

.sidebar__divider {
    height: 1px;
    background-color: rgba(255,255,255,0.1);
    margin: var(--spacing-md) var(--spacing-lg);
}

.sidebar__cta {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.sidebar__cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-cta);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar__cta-button:hover {
    background-color: #c0392b;
    color: white;
}

/* Collapsed state: show only icon */
.sidebar__cta-text {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

body.sidebar-expanded .sidebar__cta-text {
    opacity: 1;
}

/* -----------------------------
   Hero Section
   ----------------------------- */
.hero {
    background: linear-gradient(135deg,
        var(--color-primary) 0%,
        var(--color-primary-dark) 50%,
        var(--color-secondary-dark) 100%
    );
    color: white;
    padding: var(--spacing-24) var(--spacing-xl);
    text-align: center;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Subtle topographic pattern overlay */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 35px,
        rgba(255, 255, 255, 0.03) 35px,
        rgba(255, 255, 255, 0.03) 70px
    );
    pointer-events: none;
}

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

.hero__headline {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-md);
    max-width: 800px;
    line-height: var(--line-height-tight);
}

.hero__subhead {
    font-family: var(--font-sans);
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero__ctas {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    letter-spacing: var(--letter-spacing-wide);
    text-decoration: none;
    transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 2px solid transparent;
    box-shadow: var(--shadow-xs);
}

.btn:active {
    transform: translateY(1px);
}

.btn--primary {
    background-color: white;
    color: var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-bg-light);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.btn--secondary:hover {
    background-color: white;
    color: var(--color-primary);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

.btn--cta {
    background-color: var(--color-cta);
    color: white;
    border-color: transparent;
}

.btn--cta:hover {
    background-color: var(--color-cta-hover);
    box-shadow: 0 4px 12px rgba(217, 95, 2, 0.3);
    color: white;
}

/* Outline variant for light backgrounds */
.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: white;
}

/* -----------------------------
   Narrative Panels
   ----------------------------- */
.narrative {
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.narrative__panel {
    max-width: var(--max-content-width);
    margin: 0 auto var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid var(--color-border);
}

.narrative__panel:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.narrative__label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.narrative__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.narrative__content {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.narrative__link {
    font-weight: var(--font-weight-semibold);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.narrative__link::after {
    content: "→";
    transition: transform var(--transition-base);
}

.narrative__link:hover {
    color: var(--color-accent);
}

.narrative__link:hover::after {
    transform: translateX(4px);
}

/* Stats grid for proof section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-card {
    background-color: var(--color-bg);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.stat-card__value {
    font-family: var(--font-serif);
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--color-primary);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-2);
}

.stat-card__label {
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-medium);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

/* -----------------------------
   Dashboard Cards
   ----------------------------- */
.dashboard {
    background-color: var(--color-bg-light);
    padding: var(--spacing-20) var(--spacing-xl);
}

.dashboard__title {
    text-align: center;
    margin-bottom: var(--spacing-10);
}

.dashboard__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: var(--max-page-width);
    margin: 0 auto;
}

.dashboard__card {
    background-color: var(--color-bg);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.dashboard__card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--color-primary-light);
    color: inherit;
}

.dashboard__card-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-4);
    filter: grayscale(0.3);
    transition: all var(--transition-base);
}

.dashboard__card:hover .dashboard__card-icon {
    filter: grayscale(0);
    transform: scale(1.1);
}

.dashboard__card-title {
    font-family: var(--font-sans);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
}

.dashboard__card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0;
    line-height: var(--line-height-relaxed);
}

/* -----------------------------
   CTA Section
   ----------------------------- */
.cta-section {
    padding: var(--spacing-3xl) var(--spacing-xl);
    text-align: center;
}

.cta-section__title {
    margin-bottom: var(--spacing-lg);
}

.cta-section__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.cta-box {
    background-color: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: 8px;
}

.cta-box__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.cta-box__desc {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* -----------------------------
   Tables
   ----------------------------- */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: var(--spacing-8) 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

th, td {
    padding: var(--spacing-4) var(--spacing-6);
    text-align: left;
}

th {
    background-color: var(--color-primary);
    color: white;
    font-family: var(--font-sans);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

td {
    border-bottom: 1px solid var(--color-border);
}

tr:last-child td {
    border-bottom: none;
}

tr:nth-child(even) {
    background-color: var(--color-bg-light);
}

tbody tr:hover {
    background-color: var(--color-bg-medium);
}

/* -----------------------------
   Deep-Dive Pages
   ----------------------------- */
.page-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.page-header__title {
    margin-bottom: var(--spacing-sm);
}

.page-header__desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: 0;
}

.section-nav {
    background-color: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: 4px;
    margin-bottom: var(--spacing-xl);
}

.section-nav__title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.section-nav__list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.section-nav__link {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: white;
    border-radius: 4px;
}

.callout {
    background-color: var(--color-bg-light);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-6) var(--spacing-8);
    margin: var(--spacing-8) 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    box-shadow: var(--shadow-xs);
}

.callout > *:last-child {
    margin-bottom: 0;
}

.callout--warning {
    border-left-color: var(--color-warning);
    border-left-style: dashed;
    background-color: rgba(221, 170, 51, 0.05);
}

.callout--warning::before {
    content: "⚠️ ";
}

.callout--success {
    border-left-color: var(--color-success);
    background-color: rgba(17, 119, 51, 0.05);
}

.callout--success::before {
    content: "✓ ";
}

.callout--danger {
    border-left-color: var(--color-danger);
    background-color: rgba(204, 51, 17, 0.05);
}

.callout strong {
    color: var(--color-text);
    display: block;
    margin-bottom: var(--spacing-2);
}

.related-sections {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.related-sections__title {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

.related-sections__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.related-sections__link {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: 4px;
    font-weight: 500;
}

/* -----------------------------
   Policymaker Package Page
   ----------------------------- */
.package-grid {
    display: grid;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.package-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: 8px;
}

.package-item__icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.package-item__info {
    flex: 1;
}

.package-item__title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.package-item__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0;
}

.package-item__download {
    flex-shrink: 0;
}

/* -----------------------------
   Forms
   ----------------------------- */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* -----------------------------
   Footer
   ----------------------------- */
.footer {
    background-color: var(--color-bg-dark);
    padding: var(--spacing-2xl) var(--spacing-xl);
    margin-top: auto;
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    max-width: var(--max-page-width);
    margin: 0 auto var(--spacing-xl);
}

.footer__section-title {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

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

.footer__nav-link {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    display: block;
    padding: var(--spacing-xs) 0;
}

.footer__nav-link:hover {
    color: var(--color-primary);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* -----------------------------
   Responsive
   ----------------------------- */
@media (max-width: 768px) {
    :root {
        --sidebar-collapsed-width: 0;
    }

    /* Prevent horizontal overflow on mobile */
    html, body {
        overflow-x: hidden;
        max-width: 100vw;
    }

    .main-content,
    .content-area,
    .hero,
    .page-header,
    .page-content,
    .section-nav {
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
        overflow-wrap: break-word;
        word-wrap: break-word;
    }

    /* Ensure headlines wrap on mobile */
    h1, h2, h3, .page-header__title, .hero__headline {
        overflow-wrap: break-word;
        word-wrap: break-word;
        hyphens: auto;
    }

    /* Reduce heading sizes on mobile - maintain hierarchy */
    h1, .page-header__title {
        font-size: var(--font-size-2xl);  /* 2rem */
    }

    h2 {
        font-size: var(--font-size-xl);  /* 1.5rem */
    }

    h3 {
        font-size: var(--font-size-lg);  /* 1.25rem - must be smaller than h2 */
    }

    h4 {
        font-size: var(--font-size-md);  /* 1.125rem */
    }

    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }

    body.sidebar-expanded .sidebar {
        transform: translateX(0);
    }

    /* Backdrop overlay when sidebar is open */
    .sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;  /* Below sidebar (1000) and toggle (1002) */
        backdrop-filter: blur(2px);
    }

    body.sidebar-expanded .sidebar-backdrop {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    body.sidebar-expanded .main-content {
        margin-left: 0;
    }

    /* Mobile site header adjustments */
    .site-header {
        padding: 0 var(--spacing-md);
    }

    .site-header__title {
        font-size: var(--font-size-base);  /* Smaller on mobile */
    }

    /* Hide sidebar header on mobile - redundant with site header */
    .sidebar__header {
        display: none;
    }

    /* Add top padding to sidebar nav to clear site header */
    .sidebar {
        padding-top: 70px;  /* Clear the 60px header + 10px gap */
    }

    /* Show hamburger menu on mobile */
    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 1002;
        background-color: var(--color-primary);
        color: white;
        border: none;
        padding: var(--spacing-sm);
        border-radius: var(--radius-md);
        cursor: pointer;
        min-width: 44px;
        min-height: 44px;
        flex-shrink: 0;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-2xl) var(--spacing-md);
        padding-top: calc(var(--header-height) + var(--spacing-2xl));  /* Account for fixed header */
    }

    .hero__ctas {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    /* Reduce content padding on mobile for more reading space */
    /* Add extra top padding to clear the fixed hamburger menu */
    .content-area {
        padding: var(--spacing-16) var(--spacing-md) var(--spacing-md);  /* 64px top to clear header */
        overflow-x: auto;  /* Allow horizontal scroll for tables */
    }

    /* Reduce heading top margins on mobile */
    h2 {
        margin-top: var(--spacing-12);  /* 3rem instead of 4rem */
    }

    h3 {
        margin-top: var(--spacing-8);  /* 2rem instead of 3rem */
    }

    /* Tables: scrollable container on mobile */
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    th, td {
        padding: var(--spacing-2) var(--spacing-3);  /* Reduce padding */
        font-size: var(--font-size-sm);
    }
}

/* -----------------------------
   Site Header (Fixed top bar)
   ----------------------------- */
.site-header {
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-bg-medium);  /* Off-white so flag white stripe is visible */
    border-bottom: 1px solid var(--color-border);
    z-index: 1001;
    padding: 0 var(--spacing-lg);
    gap: var(--spacing-md);
}

.site-header__brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.site-header__flag {
    border-radius: 2px;
    flex-shrink: 0;
}

.site-header__title {
    font-family: var(--font-sans);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    color: var(--color-primary);
}

/* Show full title on desktop, short on mobile */
.site-header__title--full {
    display: none;
}

.site-header__title--short {
    display: inline;
}

.site-header__theme-toggle {
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    color: var(--color-text);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.site-header__theme-toggle:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-primary-light);
}

/* Desktop: sidebar starts below header */
@media (min-width: 769px) {
    /* Hide hamburger on desktop */
    .mobile-toggle {
        display: none;
    }

    .site-header {
        padding-left: var(--spacing-lg);
    }

    /* Larger flag and text on desktop */
    .site-header__flag {
        width: 32px;
        height: 21px;
    }

    .site-header__title {
        font-size: var(--font-size-lg);
    }

    /* Show full title on desktop */
    .site-header__title--full {
        display: inline;
    }

    .site-header__title--short {
        display: none;
    }

    .sidebar {
        top: var(--header-height);
        height: calc(100vh - var(--header-height));
    }

    /* Hide sidebar header on desktop - branding is in site header now */
    .sidebar__header {
        display: none;
    }

    /* Adjust main content for fixed header */
    .main-content {
        margin-top: var(--header-height);
    }

    /* Sidebar backdrop not needed on desktop */
    .sidebar-backdrop {
        display: none;
    }
}

/* Tablet breakpoint */
@media (min-width: 769px) and (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* -----------------------------
   Accessibility
   ----------------------------- */

/* Better focus indicators */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.btn:focus-visible {
    outline-color: var(--color-accent);
    outline-offset: 4px;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-2) var(--spacing-4);
    text-decoration: none;
    border-radius: var(--radius-md);
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-4);
    left: var(--spacing-4);
}

/* Theme toggle icon visibility */
.theme-toggle__icon--sun {
    display: block;
}

.theme-toggle__icon--moon {
    display: none;
}

[data-theme="dark"] .theme-toggle__icon--sun {
    display: none;
}

[data-theme="dark"] .theme-toggle__icon--moon {
    display: block;
}

/* -----------------------------
   Animations
   ----------------------------- */

/* Fade in elements */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.narrative__panel,
.dashboard__card,
.stat-card {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

/* Stagger animations */
.narrative__panel:nth-child(1) { animation-delay: 0.1s; }
.narrative__panel:nth-child(2) { animation-delay: 0.2s; }
.narrative__panel:nth-child(3) { animation-delay: 0.3s; }

.dashboard__card:nth-child(1) { animation-delay: 0.05s; }
.dashboard__card:nth-child(2) { animation-delay: 0.1s; }
.dashboard__card:nth-child(3) { animation-delay: 0.15s; }
.dashboard__card:nth-child(4) { animation-delay: 0.2s; }
.dashboard__card:nth-child(5) { animation-delay: 0.25s; }
.dashboard__card:nth-child(6) { animation-delay: 0.3s; }
.dashboard__card:nth-child(7) { animation-delay: 0.35s; }

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* -----------------------------
   Print Styles
   ----------------------------- */
@media print {
    /* Hide navigation and interactive elements */
    .sidebar,
    .site-header,
    .theme-toggle,
    .skip-link,
    .footer__signup,
    .cta-section,
    .hero__ctas {
        display: none !important;
    }

    /* Reset layout for print */
    .main-content {
        margin-left: 0 !important;
    }

    .page-wrapper {
        display: block;
    }

    /* Ensure good print colors */
    body {
        background: white !important;
        color: black !important;
    }

    h1, h2, h3, h4, h5, h6 {
        color: black !important;
    }

    /* Add page breaks */
    .narrative__panel,
    .dashboard,
    section {
        page-break-inside: avoid;
    }

    h1, h2, h3, h4 {
        page-break-after: avoid;
    }

    /* Show link URLs in print */
    a[href]:not([href^="#"]):not([href^="/"]):after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        font-weight: normal;
    }

    /* Simplify shadows and borders */
    .stat-card,
    .dashboard__card,
    .callout,
    table {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}

/* ========================================
   DOWNLOAD DOCUMENTS
   ======================================== */

.download-document .download-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.download-document .download-type {
    background: var(--color-primary);
    color: white;
    padding: 0.25em 0.75em;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
}

.download-document .download-pages {
    color: var(--color-text-light);
    font-size: 0.875rem;
    line-height: 1.75;
}

.download-actions {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--color-bg-light);
    border-radius: 8px;
}

.download-content {
    max-width: 750px;
}

.download-content h2 {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.download-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.download-footer {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
    font-size: 0.875rem;
    text-align: center;
}

/* Downloads Grid (list page) */
.downloads-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.download-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-light);
    border-radius: 8px;
    align-items: center;
}

.download-card__icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.download-card__content {
    flex: 1;
}

.download-card__content h3 {
    margin: 0 0 var(--spacing-xs);
}

.download-card__content p {
    margin: 0 0 var(--spacing-xs);
    color: var(--color-text-light);
}

.download-card__meta {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.download-card__actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.btn--sm {
    padding: 0.5em 1em;
    font-size: 0.875rem;
}

/* ========================================
   PRINT STYLES (PDF Generation)
   ======================================== */

@media print {
    /* Force light mode colors for print/PDF */
    :root,
    [data-theme="dark"] {
        --color-bg: #ffffff !important;
        --color-bg-light: #f7f7f7 !important;
        --color-bg-medium: #eeeeee !important;
        --color-bg-dark: #e0e0e0 !important;
        --color-text: #1a1a1a !important;
        --color-text-medium: #4d4d4d !important;
        --color-text-light: #6b6b6b !important;
        --color-primary: #0F5499 !important;
        --color-border: #d4d4d4 !important;
    }

    /* Hide UI elements */
    .no-print,
    .site-header,
    .sidebar,
    .sidebar-backdrop,
    .site-footer,
    .footer,
    .download-actions,
    .download-meta,
    .theme-toggle,
    .skip-link {
        display: none !important;
    }

    /* Reset layout */
    body {
        background: white !important;
        color: black !important;
    }

    .page-wrapper {
        display: block;
    }

    .main-content {
        margin: 0;
        padding: 0;
        max-width: 100%;
    }

    .download-document,
    .content-area {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }

    /* Typography for print */
    .download-content {
        max-width: 100%;
        font-size: 11pt;
        line-height: 1.5;
    }

    .page-header__title {
        font-size: 24pt;
        margin-bottom: 0.5em;
    }

    .page-header__desc {
        font-size: 12pt;
        margin-bottom: 1.5em;
    }

    .download-content h2 {
        font-size: 16pt;
        margin-top: 1.5em;
        padding-top: 0.5em;
        page-break-after: avoid;
    }

    .download-content h3 {
        font-size: 13pt;
        page-break-after: avoid;
    }

    .download-content p {
        orphans: 3;
        widows: 3;
    }

    /* Tables */
    table,
    .download-content table {
        font-size: 9pt;
        page-break-inside: avoid;
        width: auto;
        margin-bottom: 1em;
        box-shadow: none !important;
        border-radius: 0 !important;
        border-collapse: collapse !important;
    }

    th, td,
    .download-content th,
    .download-content td {
        padding: 0.5em 0.75em;
        border: 1px solid #999;
    }

    th,
    .download-content th {
        background: #e8e8e8 !important;
        color: #1a1a1a !important;
        font-weight: 600;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    /* Footer - not fixed to avoid cutting off content */
    .download-footer {
        margin-top: 2em;
        padding-top: 0.5em;
        font-size: 9pt;
        border-top: 1px solid #ccc;
        background: white;
    }

    /* Page setup */
    @page {
        size: letter;
        margin: 0.75in;
    }

    @page :first {
        margin-top: 0.5in;
    }
}