:root {
    /* Spacing Variables */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 5rem;

    /* Layout Variables */
    --container-max-width: 1200px;
    --container-padding: 1rem;

    /* Breakpoints (for reference in media queries) */
    --mobile: 480px;
    --tablet: 768px;
    --desktop: 1024px;

    /* Typography Scale */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-med: 1rem;
    --font-size-base: 1.25rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.5rem;
    --font-size-7xl: 4rem;
    --font-size-8xl: 4.5rem;
    --font-size-12xl: 6rem;

    /* Brand Colors */
    --notice-yellow: #fbc516;
    --notice-black: #1a1919;
    --notice-grey: #808285;
    --notice-white: #ffffff;

    /* Functional Colors */
    --notice-bg-primary: var(--notice-black);
    --notice-bg-secondary: #242424;
    --notice-text-primary: var(--notice-white);
    --notice-text-secondary: var(--notice-grey);
    --notice-accent: var(--notice-yellow);
    
    /* Background tints for subtle variations */
    --notice-bg-grey-light: rgba(128, 130, 133, 0.1);
    --notice-bg-grey-medium: rgba(128, 130, 133, 0.2);
    
    /* Font Families */
    --font-primary: 'Roboto', sans-serif;
    --font-accent: 'Roboto', sans-serif;
    
    /* Font Weights */
    --font-regular: 400;
    --font-bold: 700;
}

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

html, body {
    overflow-x: hidden;
    position: relative;
    width: 100%;
    margin: 0;
    padding: 0;
    overscroll-behavior-x: none;
    touch-action: pan-y pinch-zoom;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

/* Utility Classes for Typography */
.text-accent {
    font-family: var(--font-accent);
}

.text-yellow {
    color: var(--notice-accent);
}

/* Main Container Styles */
.notice-coalition-main {
    width: 100%;
    font-family: var(--font-primary);
    color: var(--notice-text-primary);
    background-color: var(--notice-bg-primary);
}

/* Navigation Styles */
.notice-nav {
    width: 100%;
    padding: var(--spacing-md) 0;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: black;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

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

/* Logo Styles */
.nav-logo {
    margin-right: var(--spacing-xl);
}

.nav-logo img {
    height: 55px;
    width: auto;
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    margin: 0 auto;
}

.nav-links a {
    color: var(--notice-text-primary);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: var(--font-bold);
    font-family: var(--font-accent);
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--notice-accent);
}

.nav-links a.selected {
    color: var(--notice-accent);
    position: relative;
}

.nav-links a.selected::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--notice-accent);
}

/* CTA Button */
.nav-cta {
    margin-left: var(--spacing-xl);
}

/* Button Styles */
.notice-btn {
    background-color: var(--notice-accent);
    color: var(--notice-black);
    font-family: var(--font-accent);
    font-weight: var(--font-bold);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease;
    border-radius: 4px;
}

.notice-btn:hover {
    transform: translateY(-2px);
}

/* Section Base Styles */
.notice-coalition-main > section {
    width: 100%;
    padding: var(--spacing-2xl) 0;
    overflow-x: hidden;
}

/* Intro Section Styles */
.notice-intro {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background-image: url('https://images.squarespace-cdn.com/content/5b9081c58ab7224793278e1d/33d8803b-19ba-43ca-b068-d454a4771440/SPEAKER+SERIES+STOCK+IMAGE.jpg?content-type=image%2Fjpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    padding: 0;
    margin: 0;
    overflow: hidden;
    left: 0;
    right: 0;
}

.notice-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        rgba(0, 0, 0, 0.7),
        rgba(0, 0, 0, 0.5)
    );
    z-index: 1;
}

.intro-content {
    position: relative;
    z-index: 2;
}

.intro-text-container {
    max-width: 90%;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.intro-catchphrase {
    font-family: var(--font-accent);
    font-size: var(--font-size-7xl);
    color: var(--notice-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.08em;
    line-height: 1.2;
    text-transform: uppercase;
    text-align: left;
    border-bottom: 4px solid var(--notice-white);
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
}

.series-subtitle {
    display: block;
    margin-top: var(--spacing-md);
}

.intro-cta-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.intro-cta-text {
    color: var(--notice-white);
    font-size: var(--font-size-xl);
    font-weight: var(--font-bold);
    max-width: 60%;
    text-align: left;
    min-width: 300px;
}

.intro-cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    flex: 1;
    justify-content: flex-end;
}

.intro-cta-btn {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
    text-align: center;
    white-space: nowrap;
    background-color: transparent;
    border: 2px solid var(--notice-accent);
    color: var(--notice-accent);
}

.intro-cta-btn:hover {
    background-color: var(--notice-accent);
    color: var(--notice-black);
}

/* Section Header Styles */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-family: var(--font-accent);
    font-size: var(--font-size-3xl);
    color: var(--notice-white);
}

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

.section-link {
    font-family: var(--font-accent);
    font-size: var(--font-size-lg);
    color: var(--notice-accent);
    text-decoration: none;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.section-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--notice-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.section-link:hover::after {
    transform: scaleX(1);
}

/* Newsletter Section Styles */
.notice-newsletter {
    padding: var(--spacing-3xl) 0;
    display: flex;
    align-items: center;
}

.newsletter-widget-container {
    margin-top: var(--spacing-xl);
}

/* Social Media Section / Footer Styles */
.notice-social {
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.notice-social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.social-icon {
    width: 64px;
    height: 64px;
    background-color: var(--notice-bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.social-icon:hover {
    transform: translateY(-2px);
}

.social-icon img {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}

.social-icon i {
    font-size: 32px;
    color: var(--notice-white);
}

.notice-footer-logo {
    display: block;
    margin: 0 auto;
    transition: opacity 0.3s ease;
}

.notice-footer-logo img {
    height: 60px;
    width: auto;
}

.notice-footer-logo:hover {
    opacity: 0.8;
}

/* Alternating background colors */
.notice-coalition-main > section:not(.notice-intro):nth-child(odd) {
    background-color: var(--notice-bg-primary);
}

.notice-coalition-main > section:not(.notice-intro):nth-child(even) {
    background-color: var(--notice-bg-secondary);
}

/* Upcoming Speakers Section */
.notice-upcoming-speakers {
    background-color: var(--notice-bg-primary);
    padding: var(--spacing-3xl) 0;
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

/* Speaker Card Styles */
.speaker-card {
    background-color: var(--notice-bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.speaker-card:hover {
    transform: translateY(-4px);
}

.speaker-flyer {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
}

.speaker-flyer img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.event-countdown {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--notice-accent);
    padding: var(--spacing-sm);
    border-radius: 4px;
    text-align: center;
}

.countdown-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-bold);
    color: var(--notice-black);
}

.countdown-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--notice-black);
}

.speaker-details {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: var(--spacing-sm);
}

.event-date {
    font-size: var(--font-size-sm);
    color: var(--notice-accent);
    margin-bottom: var(--spacing-sm);
}

.speaker-name {
    font-size: var(--font-size-xl);
    color: var(--notice-white);
    margin-bottom: var(--spacing-xs);
}

.event-topic {
    font-size: var(--font-size-base);
    color: var(--notice-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.register-btn {
    width: 60%;
}

/* Coming Soon Message Styles */
.coming-soon-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    background-color: var(--notice-bg-secondary);
    border-radius: 8px;
    border: 2px dashed var(--notice-grey);
}

.coming-soon-title {
    font-family: var(--font-accent);
    font-size: var(--font-size-2xl);
    color: var(--notice-accent);
    margin-bottom: var(--spacing-md);
}

.coming-soon-text {
    font-size: var(--font-size-base);
    color: var(--notice-text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Past Speakers Section */
.notice-past-speakers {
    background-color: var(--notice-bg-secondary);
    padding: var(--spacing-3xl) 0;
}

.speaker-card.past {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.speaker-card.past:hover {
    opacity: 1;
}

.event-status {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--notice-grey);
    padding: var(--spacing-sm);
    border-radius: 4px;
    color: var(--notice-white);
    font-size: var(--font-size-sm);
}

.watch-btn {
    background-color: var(--notice-bg-secondary);
    color: var(--notice-white);
    border: 2px solid var(--notice-accent);
}

.watch-btn:hover {
    background-color: var(--notice-accent);
    color: var(--notice-black);
}

/* Past Talks Section Styles */
.past-talks-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-2xl);
}

.past-talk-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    background-color: var(--notice-bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
    align-items: start;
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--notice-grey);
}

.past-talk-card:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.past-talk-card:hover {
    transform: translateY(-4px);
}

/* Video Container */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    background-color: var(--notice-bg-grey-medium);
    margin-top: var(--spacing-xl);
    margin-left: var(--spacing-xl);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Talk Details */
.talk-details {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.talk-header {
    border-bottom: 2px solid var(--notice-accent);
    padding-bottom: var(--spacing-md);
}

.talk-title {
    font-family: var(--font-accent);
    font-size: var(--font-size-2xl);
    color: var(--notice-white);
    margin-bottom: var(--spacing-xs);
}

.talk-date {
    font-size: var(--font-size-sm);
    color: var(--notice-accent);
}

.speaker-info {
    margin-bottom: var(--spacing-lg);
}

.talk-description {
    color: var(--notice-text-secondary);
    line-height: 1.6;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-content {
    position: relative;
    background-color: var(--notice-bg-secondary);
    margin: 3vh auto;
    padding: .25rem;
    width: calc(100% - 2rem);
    max-width: 900px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.modal .close-modal {
    position: absolute;
    right: 12px;
    top: 8px;
    color: var(--notice-white);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    z-index: 1001;
    background-color: var(--notice-bg-secondary);
    width: 40px;
    height: 40px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius: 50%;
    border: none;
}

.modal .modal-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
    object-fit: contain;
    background: transparent;
}

.registration-form {
    width: 100%;
    height: 70vh;
    border: none;
    background: var(--notice-bg-secondary);
    margin: 0;
    padding: 0;
    display: block;
}

body.modal-open { overflow: hidden; }

/* Responsive Design */
@media screen and (max-width: 1200px) {
    .intro-catchphrase {
        font-size: var(--font-size-6xl);
    }
}

@media screen and (max-width: 1024px) {
    :root {
        --container-padding: 2rem;
    }

    .intro-catchphrase {
        font-size: var(--font-size-5xl);
    }

    .intro-cta-container {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .intro-cta-text {
        max-width: 100%;
        min-width: unset;
    }

    .intro-cta-buttons {
        width: 100%;
        justify-content: flex-start;
    }

    .intro-cta-btn {
        min-width: 150px;
    }

    .past-talk-card {
        grid-template-columns: 1fr;
    }
    
    .video-container {
        margin: 0;
        order: -1;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.25rem;
        --font-size-7xl: 2.5rem;
    }

    .notice-coalition-main > section {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .notice-coalition-main {
        margin-left: 0;
        width: 100%;
        padding-top: var(--nav-height);
    }

    /* Navigation Styles */
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-logo {
        margin-right: 0;
    }

    .nav-links {
        display:none;
    }

    .nav-cta {
        margin-left: 0;
    }

    /* Intro Section Styles */
    .notice-intro {
        width: 100%;
        left: 0;
        right: 0;
        margin: 0;
        padding: 0;
        position: relative;
    }
    
    .intro-content {
        width: 100%;
        left: 0;
        right: 0;
        margin: 0 auto;
        position: relative;
    }
    
    .intro-text-container {
        max-width: 100%;
        padding: var(--spacing-md);
        text-align: center;
    }
    
    .intro-catchphrase {
        font-size: var(--font-size-7xl);
        letter-spacing: 0.05em;
        padding-bottom: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
        text-align: center;
    }
    
    .series-subtitle {
        margin-top: var(--spacing-sm);
    }
    
    .intro-cta-text {
        text-align: center;
    }
    
    .intro-cta-buttons {
        justify-content: center;
    }

    .intro-cta-btn {
        width: 100%;
        max-width: none;
        margin-bottom: var(--spacing-sm);
    }

    .speakers-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .speaker-flyer {
        padding-top: 100%;
    }

    .coming-soon-message {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .coming-soon-title {
        font-size: var(--font-size-xl);
    }
    
    .coming-soon-text {
        font-size: var(--font-size-med);
    }

    .section-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }

    .talk-details {
        padding: var(--spacing-lg);
    }
    
    .talk-title {
        font-size: var(--font-size-xl);
    }

    .notice-newsletter {
        min-height: 300px;
        padding: var(--spacing-2xl) 0;
    }

    /* Social Media Section / Footer Styles */
    .notice-social {
        padding: var(--spacing-2xl) 0;
    }

    .notice-social-links {
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-2xl);
    }

    .social-icon {
        width: 48px;
        height: 48px;
    }

    .social-icon img {
        width: 24px;
        height: 24px;
    }

    .notice-footer-logo img {
        height: 48px;
    }

}