/* ===================================
   CSS Variables - DC Patriotic Theme
   =================================== */
:root {
    /* Patriotic Colors - Refined DC Palette */
    --patriot-red: #B22234;
    --patriot-blue: #002868;
    --patriot-white: #FFFFFF;
    --monument-gray: #8B8B8B;
    --capitol-gold: #D4AF37;
    
    /* Modern Accent Colors */
    --cherry-blossom: #FFB7C5;
    --sky-blue: #87CEEB;
    --marble-white: #F8F9FA;
    --deep-navy: #001F3F;
    --warm-red: #DC143C;
    
    /* Neutral Palette */
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #6a6a6a;
    --bg-light: #F5F5F5;
    --bg-white: #FFFFFF;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-display: 'Georgia', 'Times New Roman', serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--bg-white);
    overflow-x: hidden;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--patriot-blue) 0%, var(--deep-navy) 50%, var(--patriot-red) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-md);
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    color: var(--patriot-white);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeIn 1s ease-out 0.3s both;
}

.badge-icon {
    width: 18px;
    height: 18px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.hello {
    display: block;
    color: var(--patriot-white);
    animation: slideInLeft 1s ease-out 0.5s both;
}

.dc {
    display: block;
    background: linear-gradient(135deg, var(--patriot-white) 0%, var(--cherry-blossom) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInRight 1s ease-out 0.7s both;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
    letter-spacing: 0.5px;
    animation: fadeIn 1s ease-out 0.9s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1.1s both;
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.stat-icon {
    width: 32px;
    height: 32px;
    color: var(--capitol-gold);
}

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

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--patriot-white);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--patriot-white);
    color: var(--patriot-blue);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 1s ease-out 1.3s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
    background: var(--capitol-gold);
    color: var(--patriot-white);
}

.button-icon {
    width: 20px;
    height: 20px;
    animation: bounce 2s infinite;
}

/* Hero Decoration - Stars */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.star {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--patriot-white);
    border-radius: 50%;
    animation: twinkle 3s infinite;
}

.star-1 { top: 20%; left: 15%; animation-delay: 0s; }
.star-2 { top: 40%; left: 80%; animation-delay: 0.5s; }
.star-3 { top: 60%; left: 25%; animation-delay: 1s; }
.star-4 { top: 80%; left: 70%; animation-delay: 1.5s; }
.star-5 { top: 30%; left: 50%; animation-delay: 2s; }

/* ===================================
   Landmarks Section
   =================================== */
.landmarks {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--marble-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--patriot-blue);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.section-description {
    font-size: 1.2rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto;
}

.landmarks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.landmark-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.landmark-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--patriot-red);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--patriot-blue), var(--patriot-red));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.landmark-icon {
    width: 32px;
    height: 32px;
    color: var(--patriot-white);
}

.card-title {
    font-size: 1.5rem;
    color: var(--patriot-blue);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.card-description {
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.card-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-light);
    font-size: 0.9rem;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--bg-light);
}

.footer-icon {
    width: 16px;
    height: 16px;
    color: var(--patriot-red);
}

/* ===================================
   Experience Section
   =================================== */
.experience {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--patriot-blue) 0%, var(--deep-navy) 100%);
    color: var(--patriot-white);
}

.experience-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    align-items: center;
}

.experience-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.experience-description {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.experience-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
}

.feature-icon {
    width: 24px;
    height: 24px;
    color: var(--capitol-gold);
    flex-shrink: 0;
}

.experience-visual {
    display: grid;
    gap: var(--spacing-md);
}

.visual-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.visual-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.visual-icon {
    width: 48px;
    height: 48px;
    color: var(--capitol-gold);
}

.visual-number {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.visual-label {
    font-size: 1rem;
    opacity: 0.8;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--text-dark);
    color: var(--patriot-white);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    max-width: 300px;
}

.footer-title {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    color: var(--capitol-gold);
}

.footer-tagline {
    opacity: 0.8;
    font-size: 0.95rem;
}

.footer-links {
    display: contents;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-heading {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--capitol-gold);
    font-weight: 600;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-link:hover {
    color: var(--patriot-white);
    transform: translateX(5px);
}

.link-icon {
    width: 16px;
    height: 16px;
    color: var(--patriot-red);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-copyright {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    opacity: 0.7;
    font-size: 0.9rem;
}

.copyright-icon {
    width: 16px;
    height: 16px;
    color: var(--patriot-red);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.5);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .hero-stats {
        gap: var(--spacing-sm);
    }
    
    .stat {
        padding: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .landmarks-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-link {
        justify-content: center;
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .hero {
        page-break-after: always;
    }
    
    .cta-button {
        display: none;
    }
    
    @page {
        margin: 2cm;
    }
}