/* ===================================
   FEDERAL STRATEGY BRIEFING DESIGN
   ================================== */

:root {
    /* CORE COLOR SYSTEM */
    --navy-primary: #0B1C2D;
    --navy-secondary: #1A2B3D;
    --slate-light: #4A5568;
    --slate-medium: #2D3748;
    --steel-accent: #718096;
    --executive-green: #22543D;
    --federal-blue: #2C5282;

    /* SURFACE COLORS */
    --surface-primary: #0F1419;
    --surface-secondary: #1A202C;
    --surface-elevated: #2D3748;
    --surface-paper: #FFFFFF;

    /* TEXT HIERARCHY */
    --text-primary: #FFFFFF;
    --text-secondary: #A0AEC0;
    --text-muted: #718096;
    --text-inverse: #1A202C;

    /* BORDERS & DIVIDERS */
    --border-subtle: rgba(160, 174, 192, 0.12);
    --border-medium: rgba(160, 174, 192, 0.24);
    --border-accent: rgba(44, 82, 130, 0.4);

    /* SPACING SCALE */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* LAYOUT CONSTANTS */
    --content-max-width: 1100px;
    --header-height: 72px;
}

/* ===================================
   FOUNDATIONAL RESET & TYPOGRAPHY
   ================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--navy-primary);
    overflow-x: hidden;
}

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

@media (min-width: 1200px) {
    .container {
        padding: 0 var(--space-xl);
    }
}

/* ===================================
   HEADER - CLEAN WHITE BACKDROP
   ================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.1);
}

.header .container {
    height: 100%;
    display: flex;
    align-items: center;
}

.logo img {
    height: 32px;
    filter: none;
}

/* ===================================
   HERO SECTION - CINEMATIC & POWERFUL
   ================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--navy-primary);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center bottom;
}

.hero .container {
    position: relative;
    z-index: 2;
    padding-top: var(--header-height);
    height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.hero-content {
    max-width: 900px;
    margin-top: var(--space-xl);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    padding: var(--space-2xl) var(--space-3xl);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* HERO METADATA */
.metadata {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.metadata-item {
    font-size: 0.875rem;
    font-weight: 600;
    color: #2D3748;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metadata-divider {
    color: #4A5568;
    font-weight: 300;
}

/* HERO TYPOGRAPHY */
.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    color: #1A202C;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 600;
    color: #2D3748;
    margin-bottom: var(--space-2xl);
    line-height: 1.4;
}

/* HERO VALUE PROPOSITION */
.primary-message {
    margin-bottom: var(--space-2xl);
}

.hook {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    line-height: 1.3;
    color: #1A202C;
    margin-bottom: var(--space-xl);
    text-align: center;
}

/* CTA STYLING */
.cta-container {
    margin-bottom: var(--space-2xl);
}

.cta-primary {
    display: inline-block;
    background: #2B6CB0;
    color: white;
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 6px 20px rgba(43, 108, 176, 0.4);
}

.cta-primary:hover {
    background: #2C5282;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(43, 108, 176, 0.6);
}

.scarcity {
    font-size: 0.875rem;
    color: #4A5568;
    margin-top: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.preparation-note {
    font-size: 1rem;
    color: #4A5568;
    line-height: 1.6;
    font-style: italic;
    text-align: center;
}

/* ===================================
   SECTION FOUNDATIONS
   ================================== */

section {
    padding: var(--space-5xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-eyebrow {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    font-weight: 700;
    color: #1a202c;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

/* ===================================
   BRIEFING FORMAT SECTION
   ================================== */

.briefing-format {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f1f5f9 100%);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
}

.briefing-format::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.format-card {
    background: #f8fafc;
    padding: var(--space-2xl);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
}

.format-card p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: #4a5568;
    margin-bottom: var(--space-lg);
}

.format-card p:last-child {
    margin-bottom: 0;
}

.confidentiality-band {
    background: #2b6cb0;
    margin: var(--space-2xl) auto 0;
    padding: var(--space-xl) var(--space-2xl);
    border-radius: 8px;
    max-width: 800px;
    text-align: center;
}

.confidentiality-band p {
    font-size: 1rem;
    color: white;
    font-weight: 600;
}

/* ===================================
   INTELLIGENCE ASSETS SECTION
   ================================== */

.intelligence-assets {
    background: linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
    position: relative;
}

.intelligence-assets::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(45deg, rgba(59, 130, 246, 0.02) 25%, transparent 25%, transparent 75%, rgba(59, 130, 246, 0.02) 75%),
        linear-gradient(45deg, rgba(59, 130, 246, 0.02) 25%, transparent 25%, transparent 75%, rgba(59, 130, 246, 0.02) 75%);
    background-size: 60px 60px;
    background-position: 0 0, 30px 30px;
    pointer-events: none;
    opacity: 0.3;
}

.assets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.asset-card {
    background: white;
    padding: var(--space-2xl);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-top: var(--space-lg);
}

.asset-number {
    position: absolute;
    top: calc(-16px);
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: #2b6cb0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.asset-card p {
    font-size: 1.125rem;
    line-height: 1.6;
    color: #2d3748;
    text-align: center;
    width: 100%;
    margin: 0;
}

.asset-disclaimer {
    text-align: center;
}

.asset-disclaimer p {
    font-size: 0.875rem;
    color: #718096;
    font-style: italic;
}

/* ===================================
   STRATEGIC AGENDA SECTION
   ================================== */

.strategic-agenda {
    background:
        linear-gradient(90deg, transparent 49%, rgba(59, 130, 246, 0.015) 50%, transparent 51%),
        linear-gradient(0deg, transparent 49%, rgba(59, 130, 246, 0.015) 50%, transparent 51%),
        radial-gradient(circle at 15% 25%, rgba(16, 185, 129, 0.02) 0%, transparent 40%),
        linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    background-size: 120px 120px, 120px 120px, 100% 100%, 100% 100%;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
}


.agenda-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.agenda-block {
    background: #f8fafc;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.agenda-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.agenda-number {
    background: #2b6cb0;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.agenda-content {
    flex: 1;
}

.agenda-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a202c;
    line-height: 1.3;
    margin-bottom: var(--space-xs);
}

.agenda-duration {
    font-size: 0.875rem;
    color: #718096;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.agenda-intro {
    color: #4a5568;
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.agenda-details {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.agenda-details li {
    color: #4a5568;
    margin-bottom: var(--space-sm);
    padding-left: var(--space-lg);
    position: relative;
    line-height: 1.6;
}

.agenda-details li::before {
    content: '•';
    color: #2b6cb0;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.agenda-details-text {
    color: #4a5568;
    line-height: 1.6;
}

/* SPEAKER ATTRIBUTION */
.speaker-attribution {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(43, 108, 176, 0.1);
    border-radius: 8px;
    border-left: 3px solid #2b6cb0;
}

.speaker-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid rgba(0, 0, 0, 0.1);
}

.speaker-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
}

.speaker-details {
    color: #4a5568;
    font-size: 0.875rem;
    line-height: 1.5;
}

.speaker-details strong {
    color: #1a202c;
}

/* SPEAKER REDACTION STYLES */
.speaker-attribution.redacted {
    background: rgba(26, 32, 44, 0.8);
    border-left-color: #4a5568;
    filter: blur(0.5px);
}

.speaker-avatar.redacted-avatar {
    background: #2d3748;
    border: 2px solid #4a5568;
    position: relative;
}

.silhouette-placeholder {
    width: 100%;
    height: 100%;
    background: #1a202c;
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.silhouette-placeholder::before {
    content: "👤";
    font-size: 20px;
    color: #4a5568;
}

.redacted-text {
    color: #718096 !important;
    font-style: italic;
    filter: blur(0.3px);
}

.under-wraps {
    color: #e53e3e;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* PROTOCOL NOTE */
.protocol-note {
    background: rgba(113, 128, 150, 0.1);
    padding: var(--space-lg);
    border-radius: 6px;
    border-left: 3px solid #718096;
}

.protocol-note p {
    color: #4a5568;
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: var(--space-xs);
}

.protocol-note p:last-child {
    margin-bottom: 0;
}

/* ===================================
   PARTICIPATION REQUIREMENTS
   ================================== */

.participation-requirements {
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 35px,
            rgba(59, 130, 246, 0.008) 35px,
            rgba(59, 130, 246, 0.008) 37px
        ),
        linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
    position: relative;
}

.participation-requirements::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 85% 15%, rgba(16, 185, 129, 0.015) 0%, transparent 50%);
    pointer-events: none;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.requirement-item {
    background: white;
    padding: var(--space-xl);
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    text-align: center;
    font-weight: 500;
    color: #4a5568;
    line-height: 1.5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* ===================================
   MARKET INTELLIGENCE SECTION
   ================================== */

.market-intelligence {
    background:
        linear-gradient(45deg, rgba(59, 130, 246, 0.01) 0%, transparent 25%, transparent 75%, rgba(16, 185, 129, 0.01) 100%),
        linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.market-intelligence::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.03) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.03) 0%, transparent 30%);
    animation: subtleFloat 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes subtleFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-10px, -10px) rotate(1deg); }
    66% { transform: translate(10px, -5px) rotate(-1deg); }
}

.intelligence-brief {
    max-width: 900px;
    margin: 0 auto;
}

.brief-intro {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a202c;
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.metrics-grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.metric-item {
    background: #f8fafc;
    padding: var(--space-xl);
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 1.125rem;
    color: #4a5568;
    line-height: 1.6;
    border-left: 4px solid #2b6cb0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.key-insight {
    text-align: center;
    margin: var(--space-3xl) 0;
    padding: var(--space-2xl);
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.key-insight p {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a202c;
    font-style: italic;
}

.govly-positioning {
    background: #f8fafc;
    padding: var(--space-2xl);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    margin-bottom: var(--space-3xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.govly-positioning p {
    color: #4a5568;
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.positioning-points {
    list-style: none;
    margin: var(--space-lg) 0;
}

.positioning-points li {
    color: #4a5568;
    margin-bottom: var(--space-sm);
    padding-left: var(--space-lg);
    position: relative;
    line-height: 1.6;
}

.positioning-points li::before {
    content: '→';
    color: #2b6cb0;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.positioning-conclusion {
    font-weight: 600 !important;
    color: #1a202c !important;
}

.closing-statement {
    text-align: center;
}

.closing-statement p {
    font-size: 1.125rem;
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.final-call {
    font-size: 1.25rem !important;
    color: #1a202c !important;
    font-weight: 700 !important;
}

/* ===================================
   REGISTRATION SECTION
   ================================== */

.registration-section {
    background: #ffffff;
    text-align: center;
    border-top: 1px solid #e2e8f0;
}

.registration-content h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: #2d3748;
    margin-bottom: var(--space-lg);
}

.registration-content p {
    font-size: 1.125rem;
    color: #4a5568;
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.registration-section .cta-primary {
    background: #2d3748;
    color: #ffffff;
    margin-top: var(--space-xl);
}

.registration-section .cta-primary:hover {
    background: #4a5568;
    transform: translateY(-2px);
}

/* ===================================
   FOOTER - WHITE LIKE HEADER
   ================================== */

.footer {
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: var(--space-2xl) 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-content p {
    color: #4A5568;
    font-size: 0.875rem;
}

/* ===================================
   FLOATING CTA
   ================================== */

.floating-cta {
    position: fixed;
    top: calc(var(--header-height) + var(--space-md));
    right: var(--space-lg);
    z-index: 999;
    background: var(--executive-green);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 8px 24px rgba(34, 84, 61, 0.4);
    transform: translateX(120%);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.floating-cta.visible {
    transform: translateX(0);
}

.floating-cta:hover {
    background: #2F855A;
    transform: translateX(0) translateY(-2px);
    box-shadow: 0 12px 32px rgba(34, 84, 61, 0.6);
}

/* ===================================
   RESPONSIVE DESIGN
   ================================== */

@media (max-width: 768px) {
    :root {
        --space-xs: 0.375rem;
        --space-sm: 0.5rem;
        --space-md: 0.75rem;
        --space-lg: 1rem;
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
        --space-5xl: 4rem;
    }

    .container {
        padding: 0 var(--space-md);
    }

    section {
        padding: var(--space-3xl) 0;
    }

    .hero .container {
        align-items: center;
        justify-content: center;
    }

    .hero-content {
        margin-top: 0;
        max-width: 100%;
    }

    .metadata {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }

    .metadata-divider {
        display: none;
    }

    .agenda-header {
        flex-direction: column;
        gap: var(--space-md);
    }

    .agenda-number {
        align-self: flex-start;
    }

    .speaker-attribution {
        flex-direction: column;
        text-align: center;
    }

    .requirements-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .floating-cta {
        right: var(--space-md);
        font-size: 0.75rem;
        padding: var(--space-xs) var(--space-md);
    }
}

@media (max-width: 480px) {
    .assets-grid {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .cta-primary {
        display: block;
        text-align: center;
    }
}

/* ===================================
   ACCESSIBILITY & PERFORMANCE
   ================================== */

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

/* Focus states for accessibility */
.cta-primary:focus,
.floating-cta:focus {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-subtle: rgba(255, 255, 255, 0.3);
        --border-medium: rgba(255, 255, 255, 0.5);
        --text-secondary: #E2E8F0;
    }
}