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

:root {
    /* Black and White color palette */
    --color-bg-primary: #000000;
    --color-bg-secondary: #0a0a0a;
    --color-bg-tertiary: #1a1a1a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #cccccc;
    --color-accent: #ffffff;
    --color-accent-hover: #e0e0e0;
    --color-border: #333333;

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

    /* Typography */
    --font-family: 'Cursor Gothic', sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header with Logo */
.header {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-logo {
    max-width: 120px;
    height: auto;
    display: block;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    transform: translateX(-50%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-logo {
    max-width: 200px;
    width: 100%;
    height: auto;
    margin: 0 auto var(--spacing-lg);
    display: block;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

.hero-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    border: 2px solid var(--color-text-primary);
}

.hero-cta:hover {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

/* Ambassadors Section */
.ambassadors {
    background-color: var(--color-bg-secondary);
}

.ambassadors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.ambassador-card {
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
}

.ambassador-card:hover {
    border-color: var(--color-text-primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.1);
}

.ambassador-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.ambassador-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffffff 0%, #cccccc 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    color: #000000;
    object-fit: cover;
}

.ambassador-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.ambassador-info {
    flex: 1;
}

.ambassador-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.ambassador-linkedin {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

.ambassador-experience h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.ambassador-experience p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.ambassador-experience p:last-child {
    margin-bottom: 0;
}

.ambassador-experience ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ambassador-experience ul li {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
}

.ambassador-experience ul li:before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-text-primary);
    font-weight: bold;
}

/* Events Section */
.events {
    background-color: var(--color-bg-primary);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.event-card {
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.event-card:hover {
    border-color: var(--color-text-primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.1);
}

.event-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: 200px;
    max-height: 400px;
    background: linear-gradient(135deg, #1f1f1f 0%, #0a0a0a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 3rem;
    overflow: hidden;
    position: relative;
}

.event-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.event-content {
    padding: var(--spacing-lg);
}

.event-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--color-bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.event-detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.95rem;
    color: var(--color-text-primary);
    font-weight: 500;
}

.event-detail-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.event-date {
    color: var(--color-text-primary);
}

.event-time {
    color: var(--color-text-primary);
}

.event-location {
    color: var(--color-accent);
}

.event-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.event-link {
    display: inline-block;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.event-button {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid var(--color-text-primary);
    text-align: center;
}

.event-button:hover {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.no-events {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.no-events p {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.cta-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.cta-button {
    display: inline-block;
    padding: 1.25rem 3rem;
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    border: 2px solid var(--color-text-primary);
}

.cta-button:hover {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

/* Footer */
.footer {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.footer-text {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    section {
        padding: var(--spacing-2xl) 0;
    }

    .ambassadors-grid,
    .events-grid {
        grid-template-columns: 1fr;
    }

    .hero-description {
        font-size: 1rem;
    }

    .ambassador-card,
    .event-content {
        padding: var(--spacing-lg);
    }

    .hero-logo {
        max-width: 150px;
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero-logo {
        max-width: 120px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-primary);
}