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

:root {
    --primary-color: #f6a608;
    --secondary-color: #173881;
    --text-color: #333;
    --bg-color: #ffffff;
    --light-bg: #f8f9fa;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    margin-top: 70px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #d97706 100%);
    color: white;
    text-align: center;
    padding: 2rem;
}

.hero-content {
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}

.hero-title {
    font-size: 1.1rem;
    letter-spacing: 0.35rem;
    text-transform: uppercase;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    animation: fadeInUp 0.9s ease;
}

.hero-headline {
    font-size: 3.2rem;
    font-weight: 700;
    text-shadow: 2px 8px 6px rgba(0,0,0,0.2),
                 0px -5px 35px rgba(255,255,255,0.3);
    line-height: 1.2;
    margin-bottom: 0.5rem;
    animation: fadeInUp 1.1s ease;
}

.hero-content .date {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 2rem;
    animation: fadeInUp 1.3s ease;
}

.highlight-date {
    padding: 0.35rem 0.8rem;
    border-radius: 14px;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(2px);
}

.hero-sponsors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
    width: 100%;
    padding: 1.5rem;
    border-radius: 14px;
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 25px 55px rgba(0, 0, 0, 0.15);
    animation: fadeInUp 1.5s ease;
}
.hero-sponsors-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.hero-sponsors-label {
    text-transform: uppercase;
    letter-spacing: 0.15rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.85);
}

.hero-sponsor-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.hero-sponsor-logos img {
    height: 65px;
    width: auto;
    object-fit: contain;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: var(--transition);
    animation: fadeInUp 1.6s ease;
}

.cta-button:hover {
    background-color: #1d4ed8;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

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

/* Section Styles */
.section {
    padding: 5rem 0;
    background-color: var(--bg-color);
    transition: background-color var(--transition);
}

.section:nth-of-type(even) {
    background-color: var(--light-bg);
}

.section h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.cfa-badges {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    border-radius: 999px;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.callout-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.callout-card {
    background-color: white;
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.03);
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.callout-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18rem;
    font-size: 0.75rem;
    color: rgba(15, 23, 42, 0.55);
}

.callout-card h3 {
    margin: 0;
    font-size: 1.4rem;
    color: inherit;
}

.callout-card ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.callout-card li {
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.5;
}

.callout-card li::before {
    content: '★';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 0.8rem;
}

.callout-note {
    font-size: 0.95rem;
    color: rgba(15, 23, 42, 0.65);
}

.submission-method {
    margin-top: 0.5rem;
    padding: 1.25rem;
    border-radius: 12px;
    background-color: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
}

.submission-title {
    margin: 0 0 0.5rem;
    font-size: 0.9rem;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
    color: rgba(15, 23, 42, 0.7);
}

.submission-method a {
    color: var(--secondary-color);
    font-weight: 600;
}

.submission-meta {
    margin: 0.5rem 0 0;
    font-size: 0.95rem;
    color: rgba(15, 23, 42, 0.7);
}

.cfa-footer {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cta-secondary {
    align-self: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2.4rem;
    border-radius: 999px;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.cta-secondary:hover {
    background-color: var(--secondary-color);
    color: white;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.25);
}

.organizer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.organizer-card {
    background-color: white;
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(15, 23, 42, 0.05);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
    min-height: 220px;
}

.organizer-card.muted {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(246, 166, 8, 0.05));
    border-style: dashed;
}

.organizer-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(37, 99, 235, 0.12);
    color: var(--secondary-color);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.05rem;
}

.organizer-card.muted .organizer-avatar {
    background-color: rgba(246, 166, 8, 0.15);
    color: var(--primary-color);
}

.organizer-role {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2rem;
    color: rgba(15, 23, 42, 0.55);
    margin: 0;
}

.organizer-card h3 {
    margin: 0;
    font-size: 1.2rem;
}

.organizer-card h3>a{
    text-decoration: none;
    color: var(--text-color);
}
.organizer-card h3>a:hover{
    text-decoration: underline;
    color: var(--secondary-color);
}

.organizer-affiliation {
    margin: 0;
    color: rgba(15, 23, 42, 0.7);
}

/* About Section */
.about-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Program Section */
.program-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.program-day {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.program-day h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.schedule {
    list-style: none;
}

.schedule li {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.schedule li:last-child {
    border-bottom: none;
}

.schedule .time {
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

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

/* Important Dates */
.dates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.date-card {
    background-color: white;
    border-radius: 14px;
    padding: 1.5rem;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
    min-height: 140px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.date-card.highlight {
    border-color: rgba(246, 166, 8, 0.5);
    box-shadow: 0 16px 32px rgba(246, 166, 8, 0.2);
}

.date-label {
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.2rem;
    color: rgba(15, 23, 42, 0.6);
    margin: 0;
}

.date-value {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.date-card.highlight .date-value {
    color: var(--secondary-color);
}

.dates-footnote {
    margin-top: 1.5rem;
    text-align: center;
    font-style: italic;
    color: rgba(15, 23, 42, 0.65);
}

/* Speakers Section */
.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.speaker-card {
    text-align: center;
    padding: 2rem;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.speaker-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.speaker-avatar {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.speaker-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.speaker-title {
    color: var(--secondary-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

/* Venue Section */
.venue-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.venue-info {
    background-color: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.venue-tag {
    text-transform: uppercase;
    letter-spacing: 0.2rem;
    font-size: 0.75rem;
    color: rgba(15, 23, 42, 0.6);
    margin-bottom: 0.5rem;
    display: block;
}

.venue-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.venue-info p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.venue-facts {
    margin: 2rem 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.venue-fact {
    background-color: var(--light-bg);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.fact-label {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    color: rgba(15, 23, 42, 0.6);
    margin-bottom: 0.35rem;
}

.fact-value {
    font-weight: 600;
    color: var(--text-color);
}

.venue-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.venue-list li {
    position: relative;
    padding-left: 1.4rem;
}

.venue-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.venue-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.venue-photo {
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(246, 166, 8, 0.25));
    min-height: 180px;
    border: 1px dashed rgba(15, 23, 42, 0.2);
    display: flex;
    align-items: flex-end;
    padding: 1.25rem;
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.08);
    position: relative;
    overflow: hidden;
}
.venue-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.75);
  position: absolute;
  inset: 0;
}

.venue-photo.large {
    min-height: 280px;
    grid-column: span 2;
}

.venue-photo-label {
    color: rgba(208, 211, 219, 0.75);
    font-weight: 600;
    text-shadow: #111111 1px 1px 4px;
    position: relative;
    z-index: 1;
}

@media (max-width: 640px) {
    .venue-photo.large {
        grid-column: span 1;
    }
}

/* Contact Section */
.contact-card {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 18px 35px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(15, 23, 42, 0.05);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-logo {
    width: 240px;
    height: auto;
    flex-shrink: 0;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.contact-role {
    margin: 0 0 0.5rem;
    color: rgba(15, 23, 42, 0.65);
}

.contact-email {
    font-weight: 600;
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-email:hover {
    color: #1d4ed8;
}

.contact-website {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    width: fit-content;
    margin-top: 0.5rem;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    background-color: rgba(246, 166, 8, 0.1);
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.contact-website::after {
    content: '↗';
    font-size: 0.9rem;
}

.contact-website:hover {
    background-color: rgba(246, 166, 8, 0.2);
}

@media (max-width: 600px) {
    .contact-card {
        flex-direction: column;
        text-align: center;
    }
    .contact-details {
        align-items: center;
    }
    .contact-website {
        width: 100%;
        justify-content: center;
    }
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

footer p {
    margin: 0.5rem 0;
}

/* Sponsors & Partners */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
    align-items: center;
    justify-items: center;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.logo-grid img {
    max-height: 180px;
    max-width: 100%;
    object-fit: contain;
    filter: grayscale(20%);
    opacity: 0.95;
}

.logo-placeholder {
    width: 160px;
    height: 80px;
    background: white;
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    box-shadow: var(--shadow);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-headline {
        font-size: 2.5rem;
    }

    .hero-content .date {
        font-size: 1.3rem;
    }

    .hero-title {
        letter-spacing: 0.2rem;
    }

    .hero-sponsor-logos img {
        height: 55px;
    }

    .cfa-badges {
        justify-content: flex-start;
    }

    .cfa-footer {
        text-align: left;
        align-items: stretch;
    }

    .cta-secondary {
        width: 100%;
    }

    .section h2 {
        font-size: 2rem;
    }

    .features,
    .speakers-grid {
        grid-template-columns: 1fr;
    }

    .program-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 2.1rem;
    }

    .hero-content .date {
        font-size: 1.1rem;
    }

    .hero-title {
        font-size: 0.9rem;
        letter-spacing: 0.15rem;
    }

    .hero-sponsor-logos {
        gap: 1rem;
    }

    .hero-sponsor-logos img {
        height: 45px;
    }

    .cfa-badges {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
}