/* ============================================
   THE CONSERVATIVE CAUCUS - DESIGN SYSTEM
   Professional Design - Version 2.0
   October 2025
   ============================================ */

/* ================================
   CSS VARIABLES - DESIGN TOKENS
   ================================ */
:root {
    /* ================================
       PRIMARY COLOR - RED (10% usage)
       Used for: CTAs, primary buttons, headlines, high-priority elements
       ================================ */
    --red-100: #FFE6E6;  /* HSL(0, 100%, 93%) - Subtle backgrounds, error highlights */
    --red-200: #FFCCCC;  /* HSL(0, 100%, 87%) - Hover states, light accents */
    --red-300: #FF9999;  /* HSL(0, 100%, 80%) - Secondary buttons, alerts */
    --red-400: #FF6666;  /* HSL(0, 100%, 70%) - Active states, icons */
    --red-500: #E63939;  /* HSL(0, 75%, 55%) - Mid-tone, secondary CTAs */
    --red-600: #CC3333;  /* HSL(0, 60%, 45%) - Main CTAs (alternate) */
    --red-700: #B91C1C;  /* HSL(0, 75%, 43%) - PRIMARY CTA, headers (CORE) */
    --red-800: #991818;  /* HSL(0, 75%, 35%) - Hover/darkened CTAs */
    --red-900: #800000;  /* HSL(0, 100%, 25%) - Deep accents, error states */

    /* ================================
       SECONDARY COLOR - NAVY (30% usage)
       Used for: navigation, backgrounds, trust-building elements
       ================================ */
    --navy-100: #E6ECF2;  /* HSL(213, 40%, 93%) - Light backgrounds, hover states */
    --navy-200: #B3C3D9;  /* HSL(213, 40%, 80%) - Secondary nav, form fields */
    --navy-300: #8098BF;  /* HSL(213, 40%, 67%) - Mid-tone backgrounds */
    --navy-400: #4D6DA5;  /* HSL(213, 40%, 55%) - Active nav, borders */
    --navy-500: #3B5480;  /* HSL(213, 35%, 45%) - Secondary headers */
    --navy-600: #2E4266;  /* HSL(213, 40%, 35%) - Main nav, footers */
    --navy-700: #1a365d;  /* HSL(213, 60%, 24%) - CORE secondary color */
    --navy-800: #162A4A;  /* HSL(213, 50%, 20%) - Dark backgrounds */
    --navy-900: #0F1E33;  /* HSL(213, 60%, 15%) - Deep accents, text */

    /* ================================
       ACCENT COLOR - GOLD (part of 30% supporting)
       Used for: highlights, icons, prestige elements
       ================================ */
    --gold-100: #FFF8E6;  /* HSL(45, 100%, 93%) - Subtle highlights */
    --gold-200: #FFE8B3;  /* HSL(45, 100%, 85%) - Hover states, badges */
    --gold-300: #FFD880;  /* HSL(45, 100%, 75%) - Icons, links */
    --gold-400: #F5C04D;  /* HSL(45, 90%, 65%) - Secondary accents */
    --gold-500: #D4AF37;  /* HSL(45, 65%, 55%) - CORE accent color */
    --gold-600: #B8962F;  /* HSL(45, 60%, 45%) - Hover states */
    --gold-700: #997A26;  /* HSL(45, 60%, 35%) - Darker accents */
    --gold-800: #7A611E;  /* HSL(45, 60%, 25%) - Deep borders */

    /* ================================
       NEUTRALS - GRAYSCALE (60% usage)
       Used for: text, backgrounds, panels, form controls, borders
       ================================ */
    --gray-100: #F7FAFC;  /* HSL(220, 13%, 98%) - Page backgrounds */
    --gray-200: #EDF2F7;  /* HSL(220, 13%, 95%) - Cards, panels */
    --gray-300: #E2E8F0;  /* HSL(220, 13%, 90%) - Dividers, borders */
    --gray-400: #CBD5E0;  /* HSL(220, 13%, 85%) - Secondary text */
    --gray-500: #A0AEC0;  /* HSL(220, 13%, 70%) - Disabled states */
    --gray-600: #718096;  /* HSL(220, 13%, 55%) - Body text */
    --gray-700: #4A5568;  /* HSL(220, 13%, 40%) - Headings, emphasis */
    --gray-800: #2D3748;  /* HSL(220, 13%, 25%) - Dark text, borders */
    --gray-900: #1A202C;  /* HSL(220, 13%, 15%) - Deep contrasts */

    /* ================================
       SEMANTIC COLORS - STATUS
       ================================ */
    /* Success (Green) */
    --green-100: #E6F4EA;  /* HSL(140, 40%, 93%) - Success backgrounds */
    --green-200: #B3E3C4;  /* HSL(140, 40%, 80%) - Hover states */
    --green-300: #80D29E;  /* HSL(140, 40%, 67%) - Success alerts */
    --green-400: #4DC278;  /* HSL(140, 40%, 55%) - Buttons, icons */
    --green-500: #2EA55F;  /* HSL(140, 40%, 45%) - CORE success color */
    --green-600: #25864C;  /* HSL(140, 40%, 35%) - Darker success states */
    --green-700: #1C6639;  /* HSL(140, 40%, 25%) - Deep accents */

    /* Legacy compatibility */
    --white: #FFFFFF;
    --navy-primary: #1a365d;  /* = navy-700 */
    --red-primary: #B91C1C;   /* = red-700 */
    --red-light: #FFE6E6;     /* = red-100 */
    --red-lighter: #FFCCCC;   /* = red-200 */
    --green-success: #2EA55F; /* = green-500 */
    --green-light: #E6F4EA;   /* = green-100 */
    --green-lighter: #B3E3C4; /* = green-200 */

    /* Spacing Scale */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Two-Layer Shadow System */
    /* Small Shadow - Subtle depth (tabs, small cards, nav items) */
    --shadow-small:
        inset 0 1px 0 rgb(255 255 255 / 0.10),
        0 1px 2px rgb(0 0 0 / 0.10);

    /* Medium Shadow - Standard depth (cards, dropdowns, modals) */
    --shadow-medium:
        inset 0 1px 0 rgb(255 255 255 / 0.15),
        0 3px 6px rgb(0 0 0 / 0.15);

    /* Large Shadow - Prominent depth (hover, focus, important modals) */
    --shadow-large:
        inset 0 2px 0 rgb(255 255 255 / 0.20),
        0 6px 12px rgb(0 0 0 / 0.20);

    /* Legacy shadows for compatibility */
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px rgb(0 0 0 / 0.10);
    --shadow-lg: 0 10px 15px rgb(0 0 0 / 0.10);
    --shadow-card: 0 4px 12px rgb(0 0 0 / 0.10);

    /* Layout */
    --content-max-width: 1400px;
    --content-narrow: 800px;
    --form-max-width: 500px;
}

/* ================================
   RESET & BASE STYLES
   ================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    /* 60% Rule: Neutral body text for readability (7.5:1 contrast on white - WCAG AAA) */
    color: var(--gray-700);
    /* 60% Rule: Neutral page background (dominant color) */
    background: var(--gray-100);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ================================
   PROFESSIONAL HEADER
   ================================ */
header {
    /* 60% Rule: Neutral gradient for professional background */
    background: linear-gradient(to bottom, var(--gray-200), var(--gray-100));
    /* 10% Rule: Red accent border for brand emphasis */
    border-bottom: 3px solid var(--red-700);
    position: sticky;
    top: 0;
    z-index: 100;
    /* Medium shadow with enhanced highlight for premium effect */
    box-shadow:
        inset 0 1px 0 rgb(255 255 255 / 0.30),  /* Enhanced top highlight */
        0 3px 6px rgb(0 0 0 / 0.15);             /* Medium drop shadow */
}

.header-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    text-decoration: none;
}

.header-logo-eagle {
    height: 110px;
    width: auto;
    display: block;
    /* Two-layer drop shadow for depth */
    filter:
        drop-shadow(0 1px 0 rgba(255, 255, 255, 0.4))
        drop-shadow(0 3px 6px rgba(0, 0, 0, 0.15));
}

.header-logo-text {
    height: 100px;
    width: auto;
    display: block;
    /* Two-layer drop shadow for depth */
    filter:
        drop-shadow(0 1px 0 rgba(255, 255, 255, 0.4))
        drop-shadow(0 3px 6px rgba(0, 0, 0, 0.15));
}

/* Legacy single image support */
.header-logo img:not(.header-logo-eagle):not(.header-logo-text) {
    height: 100px;
    width: auto;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

/* For legacy pages without header-container wrapper */
header > img {
    height: 100px;
    width: auto;
    display: block;
    margin: 1.5rem auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

/* Optional: Header navigation (if needed later) */
.header-nav {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.header-nav a {
    color: var(--navy-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: color 0.2s;
}

.header-nav a:hover {
    color: var(--red-primary);
}

/* Mobile header */
@media (max-width: 768px) {
    .header-container {
        padding: 1rem 1rem;
        justify-content: center;
    }

    .header-logo {
        gap: 1rem;
    }

    .header-logo-eagle {
        height: 75px;
    }

    .header-logo-text {
        height: 68px;
    }

    .header-logo img:not(.header-logo-eagle):not(.header-logo-text) {
        height: 65px;
    }

    header > img {
        height: 65px;
        margin: 1rem auto;
    }

    .header-nav {
        display: none; /* Hide nav on mobile or implement hamburger */
    }
}

/* Small mobile - stack vertically */
@media (max-width: 480px) {
    .header-logo {
        flex-direction: column;
        gap: 0.5rem;
    }

    .header-logo-eagle {
        height: 60px;
    }

    .header-logo-text {
        height: 54px;
    }
}

/* ================================
   ACCESSIBILITY - SKIP LINK
   ================================ */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--navy-primary);
    color: var(--white);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 1000;
    border-radius: 0 0 4px 0;
    font-weight: 600;
}

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

/* ================================
   HERO BANNER
   ================================ */
.hero-banner {
    width: 100%;
    max-height: 400px;
    /* 60% Rule: Neutral gradient background */
    background: linear-gradient(to bottom, var(--gray-100), var(--gray-200));
    /* 10% Rule: Red accent border for brand emphasis */
    border-bottom: 3px solid var(--red-700);
    /* Medium shadow for depth */
    box-shadow:
        inset 0 1px 0 rgb(255 255 255 / 0.20),
        0 3px 6px rgb(0 0 0 / 0.15);
    overflow: hidden;
}

.hero-banner-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0;
}

.hero-banner-image {
    width: 100%;
    height: auto;
    display: block;
    /* Two-layer drop shadow for premium depth */
    filter:
        drop-shadow(0 1px 0 rgba(255, 255, 255, 0.3))
        drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

/* Responsive hero banner */
@media (max-width: 768px) {
    .hero-banner {
        border-bottom-width: 2px;
        max-height: 250px;
    }
}

@media (max-width: 480px) {
    .hero-banner {
        border-bottom-width: 2px;
        max-height: 180px;
    }
}

/* ================================
   TYPOGRAPHY
   ================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    /* 30% Rule: Navy for headings (trust + brand alignment, 10.8:1 contrast) */
    color: var(--navy-800);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: 48px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 36px;
}

h3 {
    font-size: 24px;
    font-weight: 600;
}

h4 {
    font-size: 20px;
    font-weight: 600;
}

p {
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

strong {
    font-weight: 600;
    /* 30% Rule: Navy for emphasis */
    color: var(--navy-700);
}

a {
    color: var(--red-primary);
    transition: color 0.2s;
}

a:hover {
    color: #991B1B;
}

/* Responsive Typography */
@media (max-width: 768px) {
    h1 { font-size: 36px; }
    h2 { font-size: 28px; }
    h3 { font-size: 22px; }
}

@media (max-width: 640px) {
    h1 { font-size: 28px; }
    h2 { font-size: 24px; }
    h3 { font-size: 20px; }
    body { font-size: 16px; }
}

/* ================================
   LAYOUT CONTAINERS
   ================================ */
main {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg);
    /* Transparent - inherits Shade 1 from body for seamless flow */
    background: transparent;
}

.content-box {
    max-width: var(--content-narrow);
    margin: 0 auto;
    /* 60% Rule: Gray-200 container for neutral hierarchy */
    background: var(--gray-200);
    padding: var(--space-xl);
    border-radius: 12px;
    /* Medium shadow for standard card depth */
    box-shadow: var(--shadow-medium);
}

/* Two-column layout for donation pages */
.two-column-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

@media (min-width: 1024px) {
    .two-column-layout {
        grid-template-columns: 60fr 40fr;
        gap: var(--space-3xl);
    }
}

.content-area {
    max-width: 700px;
}

/* Mobile: Reorder trust section below form */
@media (max-width: 1023px) {
    .two-column-layout {
        display: flex;
        flex-direction: column;
    }

    .content-area {
        order: 1;
    }

    .content-area .trust-section {
        /* Hide trust section in content area on mobile */
        display: none;
    }

    .form-container {
        order: 2;
    }
}

/* ================================
   BUTTONS
   ================================ */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: var(--space-sm) var(--space-xl);
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-height: 48px; /* Touch-friendly */
}

.btn-primary {
    /* 10% Rule: Red-700 PRIMARY CTA for maximum conversion (4.8:1 contrast) */
    background: linear-gradient(to bottom, var(--red-600), var(--red-700));
    color: var(--white);
    /* Medium shadow with enhanced highlight for premium effect */
    box-shadow:
        inset 0 1px 0 rgb(255 255 255 / 0.30),  /* Top highlight */
        0 2px 4px rgb(0 0 0 / 0.10);             /* Drop shadow */
    border: none; /* Remove border per guidelines */
}

.btn-primary:hover {
    /* Darker progression on hover: Red-700 → Red-800 */
    background: linear-gradient(to bottom, var(--red-700), var(--red-800));
    transform: translateY(-2px);
    /* Large shadow for hover state */
    box-shadow:
        inset 0 2px 0 rgb(255 255 255 / 0.20),
        0 6px 12px rgb(0 0 0 / 0.20);
}

.btn-primary:active {
    transform: translateY(0);
    /* Active state: Red-800 solid */
    background: var(--red-800);
    /* Return to medium shadow */
    box-shadow:
        inset 0 1px 0 rgb(255 255 255 / 0.15),
        0 3px 6px rgb(0 0 0 / 0.15);
}

.btn-secondary {
    /* 30% Rule: Navy-600 for secondary actions (7.1:1 contrast) */
    background: linear-gradient(to bottom, var(--navy-500), var(--navy-600));
    color: var(--white);
    box-shadow:
        inset 0 1px 0 rgb(255 255 255 / 0.20),
        0 2px 4px rgb(0 0 0 / 0.10);
    border: none;
}

.btn-secondary:hover {
    /* Darker on hover: Navy-600 → Navy-700 */
    background: linear-gradient(to bottom, var(--navy-600), var(--navy-700));
    box-shadow:
        inset 0 2px 0 rgb(255 255 255 / 0.15),
        0 6px 12px rgb(0 0 0 / 0.15);
}

/* Full-width button variant */
.btn-full {
    width: 100%;
    display: block;
}

/* ================================
   CTA CALLOUT BOX
   ================================ */
.cta-callout {
    /* 10% Rule: Red-100 → Red-200 gradient for subtle CTA emphasis */
    background: linear-gradient(to bottom, var(--red-100), var(--red-200));
    border: none; /* Remove border per guidelines */
    border-radius: 12px;
    padding: 2.5rem;
    margin: var(--space-xl) 0;
    /* Large shadow for prominence per hierarchy */
    box-shadow:
        inset 0 2px 0 rgb(255 255 255 / 0.40),  /* Enhanced top highlight */
        0 6px 12px rgb(185 28 28 / 0.20);       /* Red-tinted drop shadow */
}

.cta-callout-text {
    font-size: 24px;
    font-weight: 700;
    /* 10% Rule: Red-700 text for high contrast (9.2:1 on red-100 bg) */
    color: var(--red-700);
    line-height: 1.4;
    text-align: center;
    margin: 0;
}

.cta-callout-icon {
    font-size: 32px;
    margin-right: 0.5rem;
}

@media (max-width: 768px) {
    .cta-callout {
        padding: var(--space-lg);
    }

    .cta-callout-text {
        font-size: 20px;
    }
}

@media (max-width: 640px) {
    .cta-callout-text {
        font-size: 18px;
    }
}

/* ================================
   FORM CONTAINER
   ================================ */
.form-container {
    position: sticky;
    top: 140px;
    max-width: var(--form-max-width);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.form-header {
    text-align: center;
    margin-bottom: var(--space-md);
    width: 100%;
}

.form-header h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 0;
    color: var(--navy-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.form-header .lock-icon {
    font-size: 18px;
}

.iframe-container {
    /* 60% Rule: White background for Donorbox container (clean, trustworthy) */
    background: var(--white);
    border-radius: 8px;
    /* Medium shadow for standard card depth */
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.iframe-container iframe {
    border: none;
    width: 100%;
    max-width: 500px;
    display: block;
    margin: 0 auto;
}

/* Trust badges */
.trust-badges {
    /* 60% Rule: Gray-200 for subtle emphasis without competing with CTAs */
    background: var(--gray-200);
    padding: var(--space-md);
    text-align: center;
    margin-top: var(--space-md);
    border-radius: 8px;
    width: 100%;
    /* Small shadow for subtle depth */
    box-shadow: var(--shadow-small);
    border: none; /* Remove border per guidelines - rely on contrast */
}

.trust-badges p {
    font-size: 13px;
    color: var(--gray-600);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.trust-badge-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    white-space: nowrap;
}

/* Mobile: Remove sticky and ensure centering */
@media (max-width: 1023px) {
    .form-container {
        position: static;
        margin-top: var(--space-xl);
        width: 100%;
        max-width: 100%;
    }

    .iframe-container {
        width: 100%;
        padding: 0;
    }

    .iframe-container iframe {
        width: 100%;
        max-width: 100%;
    }
}

/* ================================
   PETITION/QUESTIONNAIRE FORMS
   ================================ */
.petition-text {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.petition-form {
    /* Version 2 (middle) - Content wrapper */
    background: var(--white);
    padding: var(--space-xl);
    border-radius: 12px;
    margin-top: var(--space-xl);
    /* Standard shadow */
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 3px 6px rgba(0, 0, 0, 0.1);
}

.petition-form h3 {
    color: var(--navy-primary);
    margin-bottom: var(--space-lg);
    font-size: 24px;
    text-align: center;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--navy-primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 0.05em;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: 16px;
    /* 60% Rule: Gray-200 for form inputs (neutral, professional) */
    background: var(--gray-200);
    /* 30% Rule: Navy-400 border for subtle structure (optional, can remove) */
    border: 1px solid var(--navy-400);
    border-radius: 8px;
    font-family: var(--font-family);
    transition: all 0.2s;
    /* Small shadow for subtle depth */
    box-shadow: var(--shadow-small);
}

.form-group input:focus {
    outline: none;
    /* 60% Rule: White on focus for clarity */
    background: var(--white);
    /* 30% Rule: Navy-600 focus ring for brand alignment */
    border-color: var(--navy-600);
    /* Large shadow for focus emphasis */
    box-shadow:
        inset 0 2px 0 rgb(255 255 255 / 0.20),
        0 0 0 3px rgb(26 54 93 / 0.10),
        0 6px 12px rgb(0 0 0 / 0.10);
}

/* Radio buttons */
.radio-group {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-sm);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.radio-option input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.radio-option label {
    margin: 0;
    cursor: pointer;
    text-transform: none;
    font-weight: 500;
    font-size: 16px;
}

@media (max-width: 640px) {
    .radio-group {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .petition-form {
        padding: var(--space-lg);
    }
}

/* ================================
   ALERTS
   ================================ */
.alert {
    padding: var(--space-md);
    border-radius: 8px;
    border: none; /* Remove border per guidelines - rely on contrast */
    margin: var(--space-lg) 0;
    /* Medium shadow for standard card depth */
    box-shadow: var(--shadow-medium);
}

.alert p {
    margin: 0;
    font-size: 16px;
}

.alert strong {
    font-weight: 600;
}

.alert-success {
    /* Semantic: Green-100 → Green-200 gradient for success states */
    background: linear-gradient(to bottom, var(--green-100), var(--green-200));
    /* Semantic: Green-700 text for high contrast (8.5:1 on green-100 bg) */
    color: var(--green-700);
    /* Enhanced top highlight for premium effect */
    box-shadow:
        inset 0 1px 0 rgb(255 255 255 / 0.30),
        0 3px 6px rgb(0 0 0 / 0.15);
}

.alert-error {
    /* Semantic: Red-100 → Red-200 gradient for error states */
    background: linear-gradient(to bottom, var(--red-100), var(--red-200));
    /* Semantic: Red-900 text for maximum contrast (10.1:1 on red-100 bg) */
    color: var(--red-900);
    /* Enhanced top highlight for premium effect */
    box-shadow:
        inset 0 1px 0 rgb(255 255 255 / 0.30),
        0 3px 6px rgb(0 0 0 / 0.15);
}

.alert-info {
    /* Semantic: Navy-100 → Navy-200 gradient for informational states */
    background: linear-gradient(to bottom, var(--navy-100), var(--navy-200));
    /* Semantic: Navy-900 text for high contrast */
    color: var(--navy-900);
    box-shadow:
        inset 0 1px 0 rgb(255 255 255 / 0.30),
        0 3px 6px rgb(0 0 0 / 0.15);
}

/* ================================
   THANK YOU PAGE SPECIFIC
   ================================ */
.thank-you-message {
    max-width: var(--content-narrow);
    margin: 0 auto;
    text-align: center;
}

.thank-you-message h1 {
    font-size: 48px;
    margin-bottom: var(--space-lg);
}

.letter-content {
    text-align: left;
    font-size: 18px;
    line-height: 1.7;
    margin-top: var(--space-xl);
}

.signature {
    text-align: left;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 2px solid var(--gray-200);
}

.signature .name {
    font-weight: 600;
    font-size: 20px;
    color: var(--navy-primary);
    margin-bottom: 0.25rem;
}

.signature .title {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 0.25rem;
    font-style: normal;
}

.stay-connected,
.trust-section {
    /* 60% Rule: Gray-200 for neutral container */
    background: var(--gray-200);
    padding: var(--space-lg);
    border-radius: 12px;
    margin-top: var(--space-xl);
    /* Small shadow for subtle depth */
    box-shadow: var(--shadow-small);
    border: none; /* Remove border per guidelines */
}

.trust-section {
    /* 30% Rule: Navy-700 accent border for brand trust */
    border-left: 4px solid var(--navy-700);
}

.trust-section p {
    font-style: italic;
    color: var(--gray-600);
    margin-bottom: var(--space-sm);
}

.trust-section .established {
    display: block;
    font-style: normal;
    font-weight: 600;
    color: var(--navy-primary);
    margin-top: var(--space-sm);
}

/* Mobile: Show trust section below form, hide in content area */
@media (max-width: 1023px) {
    .form-container .trust-section-mobile {
        display: block !important;
        margin-top: var(--space-lg);
    }

    .content-area .trust-section {
        display: none !important;
    }

    /* Mobile: Tax info classes no longer needed - removed for simplification */

    /* Mobile: Tighten spacing to show donation form in first view */
    .content-area h1 {
        font-size: 1.75rem;
        margin-bottom: 0.75rem;
    }

    .content-area > p {
        font-size: 16px !important;
        margin-bottom: 1rem !important;
    }

    .petition-text {
        margin-bottom: 0.5rem;
    }

    .petition-text p {
        margin-bottom: 0.5rem;
        line-height: 1.5;
    }

    .content-area .trust-section {
        margin-top: 0 !important;
    }

    .cta-callout {
        display: none !important;
    }
}

/* ================================
   FOOTER - COMPREHENSIVE DESIGN
   ================================ */
footer {
    /* 30% Rule: Navy-800 for professional footer */
    background: var(--navy-800);
    color: var(--white);
    padding: var(--space-xl) var(--space-lg) var(--space-md);
    margin-top: var(--space-3xl);
}

.footer-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
}

/* Footer Header with Logo and Mission */
.footer-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--navy-600);
}

.footer-logo-section {
    margin-bottom: 16px;
}

.footer-logo-section img {
    max-width: 300px;
    height: auto;
    display: inline-block;
}

.footer-mission {
    max-width: 700px;
    margin: 0 auto;
}

.footer-mission p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-300);
    margin: 0;
}

/* Main Footer Navigation Grid - 5 Columns */
.footer-nav-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 40px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--navy-600);
}

.footer-column h3 {
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-nav li {
    margin-bottom: 8px;
}

.footer-nav a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.5;
    transition: color 0.2s;
    display: block;
}

.footer-nav a:hover {
    /* 10% Rule: Red-400 for link hover */
    color: var(--red-400);
}

/* Social Media Icons Section */
.footer-social-section {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--navy-600);
}

.footer-social {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-small);
}

/* Individual social icon colors */
.footer-social a.facebook {
    background: #1877F2;
}

.footer-social a.instagram {
    background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF, #515BD4);
}

.footer-social a.twitter {
    background: #000000;
}

.footer-social a.linkedin {
    background: #0A66C2;
}

.footer-social a.youtube {
    background: #FF0000;
}

.footer-social a:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-medium);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

/* Contact and Legal Section Grid */
.footer-bottom-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 24px;
}

.footer-contact h4,
.footer-legal h4 {
    color: var(--white);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-contact p {
    color: var(--gray-300);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 8px;
}

.footer-contact a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-contact a:hover {
    color: var(--red-400);
}

.footer-contact strong {
    color: var(--white);
    font-weight: 600;
}

.footer-legal ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-legal li {
    margin-bottom: 8px;
}

.footer-legal a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.5;
    transition: color 0.2s;
    display: block;
}

.footer-legal a:hover {
    color: var(--red-400);
}

/* Copyright Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--navy-600);
    padding-top: 16px;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: 13px;
    margin: 0;
}

/* Responsive Breakpoints */
@media (max-width: 1200px) {
    .footer-nav-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    footer {
        padding: var(--space-lg) var(--space-md) var(--space-md);
    }

    .footer-header {
        margin-bottom: 24px;
        padding-bottom: 20px;
    }

    .footer-logo-section img {
        max-width: 250px;
    }

    .footer-mission p {
        font-size: 14px;
    }

    .footer-nav-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        margin-bottom: 24px;
        padding-bottom: 20px;
    }

    .footer-column h3 {
        font-size: 15px;
    }

    .footer-nav a {
        font-size: 13px;
    }

    .footer-social-section {
        margin-bottom: 24px;
        padding-bottom: 20px;
    }

    .footer-bottom-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-contact,
    .footer-legal {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-nav-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-column {
        text-align: center;
    }

    .footer-logo-section img {
        max-width: 200px;
    }

    .footer-social a {
        width: 36px;
        height: 36px;
    }

    .footer-social svg {
        width: 18px;
        height: 18px;
    }
}

/* ================================
   DONORBOX EMBED STYLING
   ================================ */
.donorbox-container {
    /* Version 2 (middle) - Content wrapper */
    background: var(--white);
    padding: var(--space-xl);
    border-radius: 12px;
    margin: var(--space-xl) 0;
    /* Standard shadow */
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 3px 6px rgba(0, 0, 0, 0.1);
}

.donorbox-container h3 {
    text-align: center;
    color: var(--navy-primary);
    margin-bottom: var(--space-lg);
    font-size: 24px;
}

.donorbox-container iframe {
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

/* Ensure donorbox container is full width and centered */
@media (max-width: 768px) {
    .donorbox-container {
        padding: var(--space-lg) var(--space-sm);
    }

    .donorbox-container h3 {
        font-size: 20px;
    }
}

/* ================================
   RESPONSIVE ADJUSTMENTS
   ================================ */
@media (max-width: 1023px) {
    main {
        padding: var(--space-2xl) var(--space-md);
    }
}

@media (max-width: 768px) {
    main {
        padding: var(--space-xl) var(--space-md);
    }

    .content-box {
        padding: 0 var(--space-sm);
    }
}

@media (max-width: 640px) {
    main {
        padding: var(--space-lg) var(--space-sm);
    }

    .thank-you-message h1 {
        font-size: 32px;
    }

    .letter-content {
        font-size: 16px;
    }
}

/* ================================
   UTILITY CLASSES
   ================================ */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

/* ================================
   PRINT STYLES
   ================================ */
@media print {
    header,
    footer,
    .btn-primary,
    .btn-secondary,
    .form-container,
    .donorbox-container {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    h1 { font-size: 24pt; }
    h2 { font-size: 20pt; }
    h3 { font-size: 16pt; }
}