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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

/* Design System Variables */
:root {
    /* Colors (HSL format) */
    --hero-text: hsl(0, 0%, 100%);
    --hero-button: hsl(0, 0%, 100%);
    --hero-button-text: hsl(220, 14%, 16%);
    --hero-overlay: hsl(220, 14%, 16%);
    --hero-accent: hsl(220, 91%, 58%);
    
    /* Gradients */
    --gradient-card: linear-gradient(135deg, hsl(0, 0%, 0%, 0.8), hsl(0, 0%, 0%, 0.6));
    
    /* Shadows */
    --shadow-hero: 0 10px 40px -10px hsl(0, 0%, 0%, 0.3);
    --shadow-text: 0 2px 8px hsl(0, 0%, 0%, 0.5);
    --shadow-button: 0 4px 16px hsl(0, 0%, 0%, 0.2);
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hero Container */
.hero-container {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

/* Background Image */
.hero-background {
    position: absolute;
    inset: 0;
    background-image: url('https://reetaramamurthygupta.in/wp-content/uploads/2025/09/reeta-2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Overlay */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
}

/* Content */
.hero-content {
    position: relative;
    z-index: 10;
    display: flex;
    height: 100%;
    align-items: flex-end;
    padding-bottom: 4rem;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Hero Grid */
.hero-grid {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr;
    align-items: flex-end;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 2fr 1fr;
    }
    
    .container {
        padding: 0 2rem;
    }
}

/* Text Section */
.hero-text-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.text-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Hero Title */
.hero-title {
    font-size: 2.25rem;
    font-weight: bold;
    line-height: 1.1;
    color: var(--hero-text);
    text-shadow: var(--shadow-text);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

/* Button Container */
.button-container {
    padding-top: 0.5rem;
}

/* Hero Button */
.hero-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--hero-button);
    color: var(--hero-button-text);
    font-size: 1.125rem;
    font-weight: 500;
    padding: 1rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    box-shadow: var(--shadow-button);
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.hero-button:hover {
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-hero);
}

/* Video Section */
.hero-video-section {
    display: flex;
    justify-content: flex-end;
}

.video-card {
    background: var(--gradient-card);
    backdrop-filter: blur(12px);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow-hero);
    max-width: 24rem;
    width: 100%;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Event Label */
.event-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* Video Container */
.video-container {
    position: relative;
    overflow: hidden;
    border-radius: 0.75rem;
}

.video-container iframe {
    width: 100%;
    height: 8rem;
    border: none;
}

/* Mobile Responsiveness */
@media (max-width: 1023px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-video-section {
        justify-content: center;
    }
    
    .hero-content {
        padding-bottom: 2rem;
    }
    
    .hero-title {
        text-align: center;
    }
    
    .button-container {
        text-align: center;
    }
}