/*
 * Cornell IPM Design System
 * =========================
 * 
 * A modern, accessible CSS framework using the official Cornell
 * color palette with Navy as the primary UI accent.
 * 
 * Typography:
 *   - Work Sans: Headings, buttons, navigation, labels
 *   - Lora: Body text, paragraphs, form inputs
 * 
 * Colors:
 *   - Navy (#073949): Primary UI accent
 *   - Carnelian (#B31B1B): Logo/seal only
 *   - Supporting grays and semantic colors
 *
 * Updated: 2026-01-14
 *   - Simplified to light mode only
 */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */

:root {
    /* Cornell Brand - Primary */
    --ipm-carnelian: #B31B1B;
    --ipm-dark-gray: #222222;
    --ipm-white: #FFFFFF;
    
    /* Cornell Brand - Secondary */
    --ipm-light-gray: #F7F7F7;
    --ipm-warm-gray: #A2998B;
    --ipm-sea-gray: #9FAD9F;
    
    /* Navy Scale (Primary UI Accent) */
    --ipm-navy-50: #f0f5f7;
    --ipm-navy-100: #d9e5eb;
    --ipm-navy-200: #b3cbd7;
    --ipm-navy-300: #7aa3b5;
    --ipm-navy-400: #4a7d91;
    --ipm-navy-500: #2d5a6d;
    --ipm-navy-600: #1e4555;
    --ipm-navy-700: #073949;
    --ipm-navy-800: #052d3a;
    --ipm-navy-900: #031d26;
    
    /* Semantic Aliases */
    --ipm-accent-lightest: var(--ipm-navy-50);
    --ipm-accent-light: var(--ipm-navy-100);
    --ipm-accent-medium: var(--ipm-navy-300);
    --ipm-accent: var(--ipm-navy-700);
    --ipm-accent-dark: var(--ipm-navy-800);
    
    /* Cornell Brand - Accents (used sparingly) */
    --ipm-link-blue: #006699;
    --ipm-green: #4B7B2B;
    --ipm-green-light: #dcfce7;
    --ipm-orange: #D47500;
    --ipm-orange-light: #fef3cd;
    
    /* Semantic colors */
    --ipm-success: var(--ipm-green);
    --ipm-success-light: var(--ipm-green-light);
    --ipm-warning: var(--ipm-orange);
    --ipm-warning-light: var(--ipm-orange-light);
    --ipm-error: #dc2626;
    --ipm-error-light: #fee2e2;
    --ipm-info: var(--ipm-navy-700);
    --ipm-info-light: var(--ipm-navy-50);
    
    /* Typography */
    --ipm-font-heading: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --ipm-font-body: 'Lora', Georgia, 'Times New Roman', serif;
    --ipm-font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    --ipm-text-xs: 0.75rem;
    --ipm-text-sm: 0.875rem;
    --ipm-text-base: 1rem;
    --ipm-text-lg: 1.125rem;
    --ipm-text-xl: 1.25rem;
    --ipm-text-2xl: 1.5rem;
    --ipm-text-3xl: 1.875rem;
    --ipm-text-4xl: 2.25rem;
    --ipm-text-5xl: 3rem;
    
    --ipm-leading-tight: 1.25;
    --ipm-leading-normal: 1.5;
    --ipm-leading-relaxed: 1.75;
    
    /* Spacing scale */
    --ipm-space-1: 0.25rem;
    --ipm-space-2: 0.5rem;
    --ipm-space-3: 0.75rem;
    --ipm-space-4: 1rem;
    --ipm-space-5: 1.25rem;
    --ipm-space-6: 1.5rem;
    --ipm-space-8: 2rem;
    --ipm-space-10: 2.5rem;
    --ipm-space-12: 3rem;
    --ipm-space-16: 4rem;
    --ipm-space-20: 5rem;
    --ipm-space-24: 6rem;
    
    /* Border radius */
    --ipm-radius-sm: 0.25rem;
    --ipm-radius-md: 0.375rem;
    --ipm-radius-lg: 0.5rem;
    --ipm-radius-xl: 0.75rem;
    --ipm-radius-2xl: 1rem;
    --ipm-radius-full: 9999px;
    
    /* Shadows */
    --ipm-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --ipm-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --ipm-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --ipm-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --ipm-transition-fast: 150ms ease;
    --ipm-transition-base: 200ms ease;
    --ipm-transition-slow: 300ms ease;
    
    /* Z-index scale */
    --ipm-z-dropdown: 100;
    --ipm-z-sticky: 200;
    --ipm-z-modal-backdrop: 300;
    --ipm-z-modal: 400;
    --ipm-z-popover: 500;
    --ipm-z-tooltip: 600;
    
    /* Container widths */
    --ipm-container-sm: 640px;
    --ipm-container-md: 768px;
    --ipm-container-lg: 1024px;
    --ipm-container-xl: 1280px;
    --ipm-container-2xl: 1536px;
    
    /* Focus ring for accessibility */
    --ipm-focus-ring: 0 0 0 3px var(--ipm-navy-100);
    --ipm-focus-ring-offset: 0 0 0 2px white, 0 0 0 4px var(--ipm-navy-500);
}


/* ============================================
   Base Styles & Reset
   ============================================ */

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

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

body {
    margin: 0;
    font-family: var(--ipm-font-body);
    font-size: var(--ipm-text-base);
    line-height: 1.7;
    color: var(--ipm-dark-gray);
    background-color: var(--ipm-light-gray);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Skip link for accessibility */
.ipm-skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--ipm-space-3) var(--ipm-space-6);
    font-family: var(--ipm-font-heading);
    background: var(--ipm-accent);
    color: white;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--ipm-radius-md);
    z-index: var(--ipm-z-tooltip);
    transition: top var(--ipm-transition-fast);
}

.ipm-skip-link:focus {
    top: var(--ipm-space-4);
    outline: none;
}


/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--ipm-space-4);
    font-family: var(--ipm-font-heading);
    font-weight: 600;
    line-height: var(--ipm-leading-tight);
    color: var(--ipm-dark-gray);
    letter-spacing: -0.01em;
}

h1 { font-size: var(--ipm-text-4xl); letter-spacing: -0.02em; }
h2 { font-size: var(--ipm-text-3xl); }
h3 { font-size: var(--ipm-text-2xl); }
h4 { font-size: var(--ipm-text-xl); }
h5 { font-size: var(--ipm-text-lg); }
h6 { font-size: var(--ipm-text-base); }

p {
    margin-top: 0;
    margin-bottom: var(--ipm-space-4);
}

a {
    color: var(--ipm-link-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--ipm-transition-fast);
}

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

a:focus-visible {
    outline: 2px solid var(--ipm-accent);
    outline-offset: 2px;
    border-radius: var(--ipm-radius-sm);
}

strong, b {
    font-weight: 600;
}

code, pre {
    font-family: var(--ipm-font-mono);
}

code {
    padding: var(--ipm-space-1) var(--ipm-space-2);
    background: var(--ipm-navy-50);
    border-radius: var(--ipm-radius-sm);
    font-size: 0.875em;
    color: var(--ipm-accent);
}

pre {
    padding: var(--ipm-space-4);
    background: #222222;
    color: #f7f7f7;
    border-radius: var(--ipm-radius-lg);
    overflow-x: auto;
}

pre code {
    padding: 0;
    background: none;
    color: inherit;
}


/* ============================================
   Layout
   ============================================ */

.ipm-container {
    width: 100%;
    max-width: var(--ipm-container-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--ipm-space-4);
    padding-right: var(--ipm-space-4);
}

@media (min-width: 640px) {
    .ipm-container {
        padding-left: var(--ipm-space-6);
        padding-right: var(--ipm-space-6);
    }
}

@media (min-width: 1024px) {
    .ipm-container {
        padding-left: var(--ipm-space-8);
        padding-right: var(--ipm-space-8);
    }
}

.ipm-section {
    padding-top: var(--ipm-space-12);
    padding-bottom: var(--ipm-space-12);
}

@media (min-width: 768px) {
    .ipm-section {
        padding-top: var(--ipm-space-16);
        padding-bottom: var(--ipm-space-16);
    }
}

/* Dark section variant - for hero areas with dark backgrounds */
.ipm-section-dark {
    background: #222222;
    color: #ffffff;
}

.ipm-section-dark h1,
.ipm-section-dark h2,
.ipm-section-dark h3,
.ipm-section-dark h4,
.ipm-section-dark h5,
.ipm-section-dark h6 {
    color: #ffffff;
}

.ipm-section-dark p {
    color: rgba(255, 255, 255, 0.9);
}

.ipm-section-dark a {
    color: #ffffff;
    text-decoration: underline;
}

.ipm-section-dark a:hover {
    color: var(--ipm-navy-200);
}

/* Flexbox utilities */
.ipm-flex { display: flex; }
.ipm-flex-col { flex-direction: column; }
.ipm-flex-wrap { flex-wrap: wrap; }
.ipm-items-center { align-items: center; }
.ipm-items-start { align-items: flex-start; }
.ipm-justify-center { justify-content: center; }
.ipm-justify-between { justify-content: space-between; }
.ipm-gap-2 { gap: var(--ipm-space-2); }
.ipm-gap-4 { gap: var(--ipm-space-4); }
.ipm-gap-6 { gap: var(--ipm-space-6); }
.ipm-gap-8 { gap: var(--ipm-space-8); }

/* Grid */
.ipm-grid {
    display: grid;
    gap: var(--ipm-space-6);
}

.ipm-grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

@media (min-width: 640px) {
    .ipm-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
    .ipm-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .ipm-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Fixed height cards in grid */
.ipm-grid .ipm-card {
    min-height: 180px;
    display: flex;
    flex-direction: column;
}

.ipm-grid .ipm-card-body {
    flex: 1;
}


/* ============================================
   Header & Navigation
   ============================================ */

.ipm-header {
    position: sticky;
    top: 0;
    z-index: var(--ipm-z-sticky);
    background: #ffffff;
    border-bottom: 3px solid var(--ipm-accent);
    box-shadow: var(--ipm-shadow-sm);
}

.ipm-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 6.5rem;
}

/* ============================================
   App Title (add to core.css after header styles)
   ============================================ */

.ipm-header-brand {
    display: flex;
    align-items: center;
}

.ipm-app-title {
    display: flex;
    align-items: center;
    margin-left: var(--ipm-space-4);
}

.ipm-app-divider {
    width: 1px;
    height: 2.5rem;
    background-color: var(--ipm-navy-300);
    margin-right: var(--ipm-space-4);
}

.ipm-app-name {
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-2xl);
    font-weight: 600;
    color: var(--ipm-dark-gray);
    letter-spacing: -0.01em;
}

/* Mobile: adjust app title */
@media (max-width: 768px) {
    .ipm-header-brand {
        flex-wrap: wrap;
    }
    
    .ipm-app-title {
        margin-left: 0;
        margin-top: var(--ipm-space-1);
        width: 100%;
    }
    
    .ipm-app-divider {
        display: none;
    }
    
    .ipm-app-name {
        font-size: var(--ipm-text-base);
        color: var(--ipm-navy-600);
    }
}

/* Mobile nav header brand */
.ipm-mobile-nav-header .ipm-header-brand {
    flex: 1;
}

.ipm-mobile-nav-header .ipm-app-title {
    margin-top: 0;
    width: auto;
}

.ipm-mobile-nav-header .ipm-app-divider {
    display: block;
    height: 1.5rem;
}

.ipm-mobile-nav-header .ipm-app-name {
    font-size: var(--ipm-text-sm);
}


@media (min-width: 768px) {
    .ipm-header-inner {
        height: 8.5rem;
    }
}

@media (min-width: 1024px) {
    .ipm-header-inner {
        height: 10rem;
    }
}

.ipm-logo {
    display: flex;
    align-items: center;
    gap: var(--ipm-space-3);
    text-decoration: none;
    color: var(--ipm-dark-gray);
}

.ipm-logo:hover {
    text-decoration: none;
}

.ipm-logo-img {
    height: 3.5rem;
    width: auto;
    max-width: 300px;
}
@media (min-width: 768px) {
    .ipm-logo-img {
        height: 4rem;
        max-width: 350px;
    }
}
@media (min-width: 1024px) {
    .ipm-logo-img {
        height: 4rem;
        max-width: 400px;
    }
}

.ipm-logo-mark {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--ipm-carnelian);
    border-radius: var(--ipm-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-family: var(--ipm-font-heading);
    font-weight: 700;
    font-size: 0.75rem;
}

.ipm-logo-text {
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-xl);
    font-weight: 700;
}

@media (min-width: 768px) {
    .ipm-logo-text {
        font-size: var(--ipm-text-2xl);
    }
}

.ipm-logo-text .cornell {
    color: var(--ipm-carnelian);
}

.ipm-logo-text .ipm {
    color: var(--ipm-accent);
}

.ipm-logo-subtitle {
    display: block;
    font-size: var(--ipm-text-xs);
    font-weight: 400;
    color: var(--ipm-warm-gray);
    margin-top: 2px;
}

@media (min-width: 768px) {
    .ipm-logo-subtitle {
        font-size: var(--ipm-text-sm);
    }
}

.ipm-nav {
    display: none;
}

@media (min-width: 768px) {
    .ipm-nav {
        display: flex;
        align-items: center;
        gap: var(--ipm-space-1);
    }
}

.ipm-nav-link {
    display: inline-flex;
    align-items: center;
    padding: var(--ipm-space-2) var(--ipm-space-4);
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-sm);
    font-weight: 500;
    color: var(--ipm-dark-gray);
    text-decoration: none;
    border-radius: var(--ipm-radius-md);
    transition: all var(--ipm-transition-fast);
}

.ipm-nav-link:hover {
    color: var(--ipm-accent);
    background: var(--ipm-navy-50);
}

.ipm-nav-link.active {
    color: var(--ipm-accent);
    background: var(--ipm-navy-100);
}

.ipm-nav-link:focus-visible {
    outline: 2px solid var(--ipm-accent);
    outline-offset: 2px;
}

/* Language Toggle */
.ipm-lang-toggle {
    display: flex;
    align-items: center;
    margin-right: var(--ipm-space-3);
    padding-right: var(--ipm-space-3);
    border-right: 1px solid var(--ipm-navy-200);
}

.ipm-lang-form {
    display: flex;
    align-items: center;
    gap: var(--ipm-space-1);
}

.ipm-lang-btn {
    background: transparent;
    border: none;
    padding: var(--ipm-space-1) var(--ipm-space-2);
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-sm);
    font-weight: 500;
    color: var(--ipm-warm-gray);
    cursor: pointer;
    border-radius: var(--ipm-radius-sm);
    transition: all var(--ipm-transition-fast);
}

.ipm-lang-btn:hover {
    color: var(--ipm-accent);
    background: var(--ipm-navy-50);
}

.ipm-lang-btn.active {
    color: var(--ipm-accent);
    font-weight: 700;
}

.ipm-lang-btn:focus-visible {
    outline: 2px solid var(--ipm-accent);
    outline-offset: 2px;
}

.ipm-lang-divider {
    color: var(--ipm-navy-300);
    font-size: var(--ipm-text-sm);
}

/* Mobile Language Toggle */
.ipm-mobile-lang-toggle {
    padding: var(--ipm-space-4);
    margin-top: var(--ipm-space-4);
    border-top: 1px solid var(--ipm-navy-100);
}

.ipm-mobile-lang-label {
    display: block;
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-sm);
    font-weight: 500;
    color: var(--ipm-warm-gray);
    margin-bottom: var(--ipm-space-3);
}

.ipm-mobile-lang-toggle .ipm-lang-form {
    display: flex;
    gap: var(--ipm-space-2);
}

.ipm-mobile-lang-btn {
    flex: 1;
    padding: var(--ipm-space-3) var(--ipm-space-4);
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-base);
    font-weight: 500;
    color: var(--ipm-dark-gray);
    background: var(--ipm-navy-50);
    border: 2px solid transparent;
    border-radius: var(--ipm-radius-lg);
    cursor: pointer;
    transition: all var(--ipm-transition-fast);
}

.ipm-mobile-lang-btn:hover {
    background: var(--ipm-navy-100);
}

.ipm-mobile-lang-btn.active {
    background: var(--ipm-accent);
    color: #ffffff;
    border-color: var(--ipm-accent);
}

/* Mobile menu button */
.ipm-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--ipm-radius-md);
    cursor: pointer;
    transition: background var(--ipm-transition-fast);
}

.ipm-menu-btn:hover {
    background: var(--ipm-navy-50);
}

.ipm-menu-btn:focus-visible {
    outline: 2px solid var(--ipm-accent);
    outline-offset: 2px;
}

@media (min-width: 768px) {
    .ipm-menu-btn {
        display: none;
    }
}

.ipm-menu-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--ipm-dark-gray);
}

/* Mobile navigation */
.ipm-mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: var(--ipm-z-modal);
    background: white;
    padding: var(--ipm-space-4);
}

.ipm-mobile-nav.open {
    display: block;
}

.ipm-mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--ipm-space-6);
}

.ipm-mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--ipm-space-2);
}

.ipm-mobile-nav-link {
    display: block;
    padding: var(--ipm-space-4);
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-lg);
    font-weight: 500;
    color: var(--ipm-dark-gray);
    text-decoration: none;
    border-radius: var(--ipm-radius-lg);
    transition: background var(--ipm-transition-fast);
}

.ipm-mobile-nav-link:hover {
    background: var(--ipm-navy-50);
}


/* ============================================
   Buttons
   ============================================ */

.ipm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ipm-space-2);
    padding: var(--ipm-space-3) var(--ipm-space-5);
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-sm);
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--ipm-radius-lg);
    cursor: pointer;
    transition: all var(--ipm-transition-fast);
}

.ipm-btn:hover {
    text-decoration: none;
}

.ipm-btn:focus-visible {
    outline: none;
    box-shadow: var(--ipm-focus-ring-offset);
}

.ipm-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Primary button */
.ipm-btn-primary {
    background: var(--ipm-accent);
    color: white;
}

.ipm-btn-primary:hover:not(:disabled) {
    background: var(--ipm-accent-dark);
    color: white;
}

/* Secondary button */
.ipm-btn-secondary {
    background: var(--ipm-navy-100);
    color: var(--ipm-accent);
}

.ipm-btn-secondary:hover:not(:disabled) {
    background: var(--ipm-navy-200);
    color: var(--ipm-accent);
}

/* Outline button */
.ipm-btn-outline {
    background: transparent;
    color: var(--ipm-accent);
    box-shadow: inset 0 0 0 2px var(--ipm-navy-300);
}

.ipm-btn-outline:hover:not(:disabled) {
    background: var(--ipm-navy-50);
    box-shadow: inset 0 0 0 2px var(--ipm-accent);
    color: var(--ipm-accent);
}

/* Ghost button */
.ipm-btn-ghost {
    background: transparent;
    color: var(--ipm-dark-gray);
}

.ipm-btn-ghost:hover:not(:disabled) {
    background: var(--ipm-navy-50);
    color: var(--ipm-accent);
}

/* White button (for dark backgrounds) */
.ipm-btn-white {
    background: #ffffff;
    color: var(--ipm-accent);
}

.ipm-btn-white:hover:not(:disabled) {
    background: var(--ipm-navy-50);
    color: var(--ipm-accent);
}

/* Button sizes */
.ipm-btn-sm {
    padding: var(--ipm-space-2) var(--ipm-space-3);
    font-size: var(--ipm-text-xs);
}

.ipm-btn-lg {
    padding: var(--ipm-space-4) var(--ipm-space-6);
    font-size: var(--ipm-text-base);
}


/* ============================================
   Cards
   ============================================ */

.ipm-card {
    background: #ffffff;
    border: 1px solid var(--ipm-navy-100);
    border-radius: var(--ipm-radius-xl);
    overflow: hidden;
    transition: box-shadow var(--ipm-transition-fast);
}

.ipm-card:hover {
    box-shadow: var(--ipm-shadow-lg);
}

.ipm-card-header {
    padding: var(--ipm-space-6);
    border-bottom: 1px solid var(--ipm-navy-50);
}

.ipm-card-body {
    padding: var(--ipm-space-6);
}

.ipm-card-footer {
    padding: var(--ipm-space-4) var(--ipm-space-6);
    background: var(--ipm-light-gray);
    border-top: 1px solid var(--ipm-navy-50);
}

.ipm-card h1,
.ipm-card h2,
.ipm-card h3,
.ipm-card h4,
.ipm-card h5,
.ipm-card h6 {
    color: #222222;
}

.ipm-card p {
    color: #555555;
}

/* Clickable card */
.ipm-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.ipm-card-link:hover {
    text-decoration: none;
}

.ipm-card-link h3 {
    color: var(--ipm-accent);
    transition: color var(--ipm-transition-fast);
}

.ipm-card-link:hover h3 {
    color: var(--ipm-accent-dark);
}

.ipm-card-link:focus-visible {
    outline: 2px solid var(--ipm-accent);
    outline-offset: 2px;
}

/* Feature card with accent */
.ipm-card-feature {
    position: relative;
    border-top: 4px solid var(--ipm-accent);
}


/* ============================================
   Forms
   ============================================ */

.ipm-form-group {
    margin-bottom: var(--ipm-space-5);
}

.ipm-label {
    display: block;
    margin-bottom: var(--ipm-space-2);
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-sm);
    font-weight: 500;
    color: var(--ipm-dark-gray);
}

.ipm-label-required::after {
    content: " *";
    color: var(--ipm-error);
}

.ipm-input,
.ipm-select,
.ipm-textarea {
    display: block;
    width: 100%;
    padding: var(--ipm-space-3) var(--ipm-space-4);
    font-family: var(--ipm-font-body);
    font-size: var(--ipm-text-base);
    line-height: var(--ipm-leading-normal);
    color: var(--ipm-dark-gray);
    background: white;
    border: 1px solid var(--ipm-navy-200);
    border-radius: var(--ipm-radius-lg);
    transition: all var(--ipm-transition-fast);
}

.ipm-input:hover,
.ipm-select:hover,
.ipm-textarea:hover {
    border-color: var(--ipm-navy-300);
}

.ipm-input:focus,
.ipm-select:focus,
.ipm-textarea:focus {
    outline: none;
    border-color: var(--ipm-accent);
    box-shadow: var(--ipm-focus-ring);
}

.ipm-input::placeholder {
    color: var(--ipm-warm-gray);
}

.ipm-input-error {
    border-color: var(--ipm-error);
}

.ipm-input-error:focus {
    border-color: var(--ipm-error);
    box-shadow: 0 0 0 3px var(--ipm-error-light);
}

.ipm-form-hint {
    margin-top: var(--ipm-space-2);
    font-size: var(--ipm-text-sm);
    color: var(--ipm-warm-gray);
}

.ipm-form-error {
    margin-top: var(--ipm-space-2);
    font-size: var(--ipm-text-sm);
    color: var(--ipm-error);
}

/* Checkbox and radio */
.ipm-checkbox,
.ipm-radio {
    display: flex;
    align-items: flex-start;
    gap: var(--ipm-space-3);
    cursor: pointer;
}

.ipm-checkbox input,
.ipm-radio input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    accent-color: var(--ipm-accent);
    cursor: pointer;
}


/* ============================================
   Alerts & Messages
   ============================================ */

.ipm-alert {
    display: flex;
    gap: var(--ipm-space-3);
    padding: var(--ipm-space-4);
    border-radius: var(--ipm-radius-lg);
    border-left: 4px solid;
    font-size: var(--ipm-text-sm);
}

.ipm-alert-icon {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
}

.ipm-alert-info {
    background: var(--ipm-info-light);
    color: var(--ipm-info);
    border-left-color: var(--ipm-info);
}

.ipm-alert-success {
    background: var(--ipm-success-light);
    color: var(--ipm-success);
    border-left-color: var(--ipm-success);
}

.ipm-alert-warning {
    background: var(--ipm-warning-light);
    color: #856404;
    border-left-color: var(--ipm-warning);
}

.ipm-alert-error {
    background: var(--ipm-error-light);
    color: var(--ipm-error);
    border-left-color: var(--ipm-error);
}


/* ============================================
   Tables
   ============================================ */

.ipm-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--ipm-navy-100);
    border-radius: var(--ipm-radius-lg);
}

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

.ipm-table th,
.ipm-table td {
    padding: var(--ipm-space-3) var(--ipm-space-4);
    text-align: left;
    border-bottom: 1px solid var(--ipm-navy-100);
}

.ipm-table th {
    font-family: var(--ipm-font-heading);
    font-weight: 600;
    color: white;
    background: var(--ipm-accent);
}

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

.ipm-table tr:hover td {
    background: var(--ipm-navy-50);
}


/* ============================================
   Badges
   ============================================ */

.ipm-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--ipm-space-1) var(--ipm-space-3);
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-xs);
    font-weight: 500;
    background: var(--ipm-navy-50);
    color: var(--ipm-accent);
    border: 1px solid var(--ipm-navy-200);
    border-radius: var(--ipm-radius-md);
}


/* ============================================
   Footer
   ============================================ */

.ipm-footer {
    background: #222222;
    color: #e0e0e0;
    padding: var(--ipm-space-12) 0 var(--ipm-space-8);
}

.ipm-footer a {
    color: #f0f0f0;
    text-decoration: none;
}

.ipm-footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.ipm-footer-grid {
    display: grid;
    gap: var(--ipm-space-8);
}

@media (min-width: 768px) {
    .ipm-footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.ipm-footer-brand {
    margin-bottom: var(--ipm-space-4);
}

.ipm-footer-brand .ipm-logo-img,
.ipm-footer .ipm-logo-img {
    height: 6.25rem;
    width: auto;
    max-width: 500px;
}

@media (min-width: 768px) {
    .ipm-footer-brand .ipm-logo-img,
    .ipm-footer .ipm-logo-img {
        height: 7.5rem;
        max-width: 600px;
    }
}

.ipm-footer-brand .ipm-logo-text {
    color: white;
}

.ipm-footer-brand .ipm-logo-text .cornell {
    color: white;
}

.ipm-footer-tagline {
    color: #e0e0e0;
    font-size: var(--ipm-text-base);
    margin-top: var(--ipm-space-2);
    margin-bottom: 0;
    margin-left: var(--ipm-space-1);
    max-width: 280px;
}

.ipm-footer-heading {
    font-family: var(--ipm-font-heading);
    font-size: var(--ipm-text-sm);
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--ipm-space-4);
}

.ipm-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ipm-footer-links li {
    margin-bottom: var(--ipm-space-2);
}

.ipm-footer-links a {
    font-size: var(--ipm-text-sm);
    color: #e8e8e8;
}

.ipm-footer-links a:hover {
    color: #ffffff;
}

.ipm-footer-bottom {
    margin-top: var(--ipm-space-8);
    padding-top: var(--ipm-space-6);
    border-top: 1px solid #444444;
    display: flex;
    flex-direction: column;
    gap: var(--ipm-space-4);
}

@media (min-width: 768px) {
    .ipm-footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.ipm-footer-copyright {
    font-size: var(--ipm-text-sm);
    color: #e0e0e0;
}


/* ============================================
   Utility Classes
   ============================================ */

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

/* Text alignment */
.ipm-text-left { text-align: left; }
.ipm-text-center { text-align: center; }
.ipm-text-right { text-align: right; }

/* Text colors */
.ipm-text-muted { color: var(--ipm-warm-gray); }
.ipm-text-accent { color: var(--ipm-accent); }
.ipm-text-white { color: #ffffff; }

/* Background */
.ipm-bg-accent { background-color: var(--ipm-navy-50); }
.ipm-bg-muted { background-color: var(--ipm-light-gray); }
.ipm-bg-dark { background-color: #222222; }
.ipm-bg-white { background-color: #ffffff; }

/* Spacing */
.ipm-mt-0 { margin-top: 0; }
.ipm-mt-4 { margin-top: var(--ipm-space-4); }
.ipm-mt-8 { margin-top: var(--ipm-space-8); }
.ipm-mb-0 { margin-bottom: 0; }
.ipm-mb-4 { margin-bottom: var(--ipm-space-4); }
.ipm-mb-8 { margin-bottom: var(--ipm-space-8); }

/* Width */
.ipm-w-full { width: 100%; }


/* ============================================
   Property-Specific Color Schemes
   ============================================
   
   Each property imports core.css then overrides 
   --ipm-accent and related variables.
   
   Usage in property CSS:
   @import url('core.css');
   :root { ... property overrides ... }
*/

/* Hub - Base Navy (default, no override needed) */
.ipm-property-hub {
    --ipm-accent: #073949;
    --ipm-accent-dark: #052d3a;
    --ipm-navy-700: #073949;
}

/* Microclimates - Deep Teal */
.ipm-property-microclimates {
    --ipm-accent: #064d5b;
    --ipm-accent-dark: #043d49;
    --ipm-navy-50: #f0f7f8;
    --ipm-navy-100: #d6ebef;
    --ipm-navy-200: #a8d4de;
    --ipm-navy-300: #6bb5c4;
    --ipm-navy-400: #3a919f;
    --ipm-navy-500: #1f7280;
    --ipm-navy-600: #0f5e6b;
    --ipm-navy-700: #064d5b;
    --ipm-navy-800: #043d49;
    --ipm-navy-900: #022930;
}

/* EIQ Calculator - Forest Green */
.ipm-property-eiq {
    --ipm-accent: #1e4d3a;
    --ipm-accent-dark: #163d2e;
    --ipm-navy-50: #f2f7f5;
    --ipm-navy-100: #dceae4;
    --ipm-navy-200: #b5d4c6;
    --ipm-navy-300: #82b8a0;
    --ipm-navy-400: #549578;
    --ipm-navy-500: #377459;
    --ipm-navy-600: #286048;
    --ipm-navy-700: #1e4d3a;
    --ipm-navy-800: #163d2e;
    --ipm-navy-900: #0e291f;
}

/* Reporting - Slate (English only, no toggle) */
.ipm-property-reporting {
    --ipm-accent: #2d3a49;
    --ipm-accent-dark: #222d3a;
    --ipm-navy-50: #f3f4f6;
    --ipm-navy-100: #e1e4e9;
    --ipm-navy-200: #c4c9d4;
    --ipm-navy-300: #9aa2b3;
    --ipm-navy-400: #6d7789;
    --ipm-navy-500: #4d5766;
    --ipm-navy-600: #3b4555;
    --ipm-navy-700: #2d3a49;
    --ipm-navy-800: #222d3a;
    --ipm-navy-900: #161e28;
}

/* Everyone Grows - Warm Olive */
.ipm-property-everyonegrows {
    --ipm-accent: #3d4a3a;
    --ipm-accent-dark: #2f3a2d;
    --ipm-navy-50: #f5f6f4;
    --ipm-navy-100: #e5e8e2;
    --ipm-navy-200: #c9cfc2;
    --ipm-navy-300: #a3ad98;
    --ipm-navy-400: #78866b;
    --ipm-navy-500: #586650;
    --ipm-navy-600: #475544;
    --ipm-navy-700: #3d4a3a;
    --ipm-navy-800: #2f3a2d;
    --ipm-navy-900: #1f261e;
}

/* NEWA - Ocean Blue (external, for reference) */
.ipm-property-newa {
    --ipm-accent: #0d3d5c;
    --ipm-accent-dark: #092f48;
    --ipm-navy-50: #f0f4f8;
    --ipm-navy-100: #d8e3ef;
    --ipm-navy-200: #adc5dc;
    --ipm-navy-300: #779fc3;
    --ipm-navy-400: #4a79a3;
    --ipm-navy-500: #2e5b82;
    --ipm-navy-600: #1f4a6d;
    --ipm-navy-700: #0d3d5c;
    --ipm-navy-800: #092f48;
    --ipm-navy-900: #051f30;
}


/* ============================================
   Property Color Scheme - Direct Root Override
   ============================================
   
   For simpler implementation, add one of these 
   data attributes to <html> or <body>:
   
   <html data-ipm-property="microclimates">
   <body class="ipm-property-eiq">
*/

[data-ipm-property="microclimates"],
html[data-ipm-property="microclimates"] body {
    --ipm-accent: #064d5b;
    --ipm-accent-dark: #043d49;
}

[data-ipm-property="eiq"],
html[data-ipm-property="eiq"] body {
    --ipm-accent: #1e4d3a;
    --ipm-accent-dark: #163d2e;
}

[data-ipm-property="reporting"],
html[data-ipm-property="reporting"] body {
    --ipm-accent: #2d3a49;
    --ipm-accent-dark: #222d3a;
}

[data-ipm-property="everyonegrows"],
html[data-ipm-property="everyonegrows"] body {
    --ipm-accent: #3d4a3a;
    --ipm-accent-dark: #2f3a2d;
}