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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    /* Adjusted background to be slightly lighter in the center for logo visibility */
    background: radial-gradient(circle at center, #1b331b 0%, #2b442b 100%);
    color: #e0e6e0;
    line-height: 1.6;
}

/* Hero Styles */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
}

.main-logo {
    width: 100%;
    max-width: 480px;
    /* Added brightness and drop-shadow to make the outline pop */
    filter: drop-shadow(0 0 20px rgba(74, 222, 128, 0.4)) brightness(1.2);
    margin-bottom: 2rem;
}

.date-header {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: #f0fff0;
    margin-bottom: 1rem;
}

.sub-text {
    max-width: 700px;
    margin: 0 auto 1.5rem;
}

.cfp-text {
    color: #4ade80;
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.highlight {
    color: #4ade80;
    font-weight: bold;
    text-decoration: none;
}

/* Buttons */
.hero-btns {
    margin: 2rem 0;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-primary, .cta-secondary, .cta-outline-small {
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.cta-primary {
    background: #4ade80;
    color: #050805;
}

.cta-secondary {
    border: 1px solid #4ade80;
    color: #4ade80;
}

.cta-outline-small {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 16px;
    border: 1px solid rgba(74, 222, 128, 0.5);
    color: #4ade80;
    font-size: 0.9rem;
}

.cta-primary:hover { background: #ffffff; }
.cta-secondary:hover, .cta-outline-small:hover { background: rgba(74, 222, 128, 0.1); }

/* Sponsorship Section */
.sponsorship-box {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-credit {
    margin-top: 3rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Timeline Styles */
.timeline-section {
    max-width: 900px;
    margin: 100px auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #4ade80;
}

.timeline {
    border-left: 2px solid #2d4a2d;
    padding-left: 30px;
    margin-left: 20px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -41px;
    top: 5px;
    width: 20px;
    height: 20px;
    background: #142614;
    border: 3px solid #4ade80;
    border-radius: 50%;
}

.highlight-item::before {
    background: #4ade80;
    box-shadow: 0 0 15px #4ade80;
}

.t-date {
    font-weight: bold;
    color: #4ade80;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.t-content h3 {
    margin: 5px 0;
    color: #ffffff;
}

/* --- Add these to your existing styles.css --- */

/* Announcement Bar */
.announcement-bar {
    background-color: #1AB394; /* Sessionize Green for visual link */
    color: white;
    text-align: center;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.announcement-bar a {
    color: #fff;
    text-decoration: underline;
    margin-left: 10px;
    transition: opacity 0.2s;
}

.announcement-bar a:hover {
    opacity: 0.8;
}

/* Adjust Hero for the Fixed Bar */
.hero {
    padding-top: 80px; /* Prevents bar from overlapping logo */
}

/* CFP Link Styling */
.cfp-link {
    color: #4ade80;
    text-decoration: none;
    border: 2px solid #4ade80;
    padding: 5px 15px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.cfp-link:hover {
    background: #4ade80;
    color: #050805;
}

/* Sessionize Backlink Container */
.sessionize-backlink {
    margin-top: 2.5rem;
    font-size: 0.85rem;
    opacity: 0.9;
}

/* Ensure mobile buttons look good */
@media (max-width: 600px) {
    .announcement-bar {
        font-size: 0.8rem;
    }
}

footer {
    text-align: center;
    padding: 50px 20px;
    opacity: 0.6;
    font-size: 0.9rem;
}

/* --- Announcement Ticker --- */
.announcement-wrapper {
    background: #1AB394;
    overflow: hidden;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    height: 40px;
}

.announcement-ticker {
    display: flex;
    white-space: nowrap;
    animation: ticker 30s linear infinite;
}

.ticker-item {
    display: inline-block;
    padding: 10px 50px;
    color: white;
    font-size: 0.9rem;
}

@keyframes ticker {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

/* --- Builders Lab Section --- */
.builders-section {
    padding: 100px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(74, 222, 128, 0.1);
}

.builders-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
}

.badge {
    background: #4ade80;
    color: #050805;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
}

.tagline {
    font-size: 1.5rem;
    color: #4ade80;
    margin: 15px 0;
    font-weight: bold;
}

.builders-grid, .tracks-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 50px;
}

.builders-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.tracks-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.b-card, .track-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(74, 222, 128, 0.1);
}

.track-card h4 { color: #4ade80; margin-bottom: 10px; }

.builders-flow {
    text-align: center;
    padding: 40px;
    background: linear-gradient(90deg, transparent, rgba(74, 222, 128, 0.05), transparent);
    margin-bottom: 50px;
}

.flow-steps {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 20px;
    font-weight: bold;
    color: #4ade80;
}

.partner-invite {
    text-align: center;
    border: 1px dashed rgba(74, 222, 128, 0.4);
    padding: 40px;
    border-radius: 12px;
}

.waitlist-text {
    display: block;
    margin-top: 15px;
    font-size: 0.9rem;
    opacity: 0.7;
    font-style: italic;
}