:root {
    /* Google Brand Colors */
    --google-blue: #4285F4;
    --google-red: #EA4335;
    --google-yellow: #FBBC04;
    --google-green: #34A853;

    /* Neutral Colors */
    --text-main: #202124;
    --text-light: #5f6368;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --border-color: #dadce0;

    /* Font */
    --font-family: 'Outfit', sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 32px;
    --spacing-xl: 64px;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 999px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--google-green), #2e7d32);
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(52, 168, 83, 0.2);
    font-weight: 600;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2e7d32, var(--google-green));
    box-shadow: 0 6px 16px rgba(52, 168, 83, 0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--google-green);
    border: 2px solid var(--google-green);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 168, 83, 0.1), transparent);
    transition: left 0.5s;
}

.btn-secondary:hover::before {
    left: 100%;
}

.btn-secondary:hover {
    background: rgba(52, 168, 83, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 168, 83, 0.2);
    border-color: var(--google-blue);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
    padding: 15px 0;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
}

@media (max-width: 768px) {
    .navbar {
        padding: 12px 0;
    }
}

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

.logo img {
    height: 56px;
}

@media (max-width: 768px) {
    .logo img {
        height: 48px;
    }
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-main);
}

.nav-links a:hover {
    color: var(--google-green);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    min-height: 90vh;
    position: relative;
    overflow: hidden;
    display: flex;
}

@media (max-width: 768px) {
    .hero {
        padding-top: 80px;
        /* Even more reduced top padding */
        padding-bottom: 0;
        min-height: auto;
        display: block;
        /* Stack content on mobile */
    }
}

.hero .container {
    display: grid;
    grid-template-columns: minmax(0, 580px) 1fr;
    align-items: start;
    gap: 48px;
    flex: 1;
}

.hero-content {
    flex: 1;
    max-width: 580px;
    z-index: 2;
    position: relative;
}

.hero-image {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    width: 100%;
    pointer-events: none;
}

.hero-visual {
    width: 100%;
    border-radius: 0;
    overflow: visible;
    box-shadow: none;
}

.hero-visual img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

.hero-image--tripoli {
    width: clamp(820px, 62vw, 1240px);
    justify-self: end;
    align-self: end;
    max-width: none;
    margin-right: -140px;
    margin-left: -80px;
}

.hero-image--tripoli img {
    opacity: 0.32;
    object-fit: contain;
    transform: translateY(200px) scale(1.12);
    transform-origin: right bottom;
}

@media (max-width: 1024px) {
    .hero-image--tripoli {
        width: clamp(560px, 62vw, 980px);
        margin-right: -90px;
        margin-left: -50px;
    }

    .hero-image--tripoli img {
        transform: translateY(190px) scale(1.1);
    }
}

.hero-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-radius: 50px;
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.12), rgba(52, 168, 83, 0.12));
    border: 2px solid rgba(66, 133, 244, 0.2);
    box-shadow: 0 8px 24px rgba(66, 133, 244, 0.15);
    margin-bottom: 28px;
    font-size: 0.9rem;
    color: var(--text-main);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.hero-badge-pill::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.hero-badge-pill:hover::before {
    left: 100%;
}

.hero-badge-pill:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 32px rgba(66, 133, 244, 0.25);
    border-color: rgba(52, 168, 83, 0.4);
}

.hero-badge-pill span {
    display: inline-flex;
    align-items: center;
}

.hero-badge-pill .pill-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--google-green), var(--google-blue));
    box-shadow: 0 0 0 3px rgba(52, 168, 83, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

.hero-badge-pill .pill-label {
    font-weight: 700;
    background: linear-gradient(90deg, var(--google-blue), var(--google-green));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-badge-pill .pill-link {
    margin-left: 6px;
    font-weight: 600;
    color: var(--google-green);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.hero-badge-pill .pill-link:hover {
    color: var(--google-green);
    border-bottom-color: var(--google-green);
}

.tagline {
    font-weight: 700;
    color: var(--google-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: block;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--google-blue), var(--google-red), var(--google-yellow), var(--google-green));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 300% 300%;
    animation: gradientText 5s ease infinite;
}

@keyframes gradientText {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.date-location {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.date-location-line {
    display: flex;
    align-items: center;
    gap: 10px;
}

.date-location-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.date-location-icon.calendar {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E");
}

.date-location-icon.location {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 10c0 7-9 13-9 13S3 17 3 10a9 9 0 0 1 18 0z'%3E%3C/path%3E%3Ccircle cx='12' cy='10' r='3'%3E%3C/circle%3E%3C/svg%3E");
}

.description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-main);
}

.cta-group {
    display: flex;
    gap: 15px;
}

/* Sections */
.section {
    padding: 80px 0;
}

@media (max-width: 768px) {
    .section {
        padding: 40px 0;
    }

    /* Remove top padding from first section after hero */
    #about.section {
        padding-top: 10px;
    }
}

.bg-light {
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-intro-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 24px 28px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

/* About Cards */
/* About Section (Modern) */
.about-section.section {
    padding: 64px 0;
    background:
        radial-gradient(800px 420px at 15% 15%, rgba(66, 133, 244, 0.10), rgba(66, 133, 244, 0) 60%),
        radial-gradient(760px 420px at 85% 30%, rgba(234, 67, 53, 0.08), rgba(234, 67, 53, 0) 55%),
        radial-gradient(700px 420px at 70% 95%, rgba(52, 168, 83, 0.10), rgba(52, 168, 83, 0) 55%),
        linear-gradient(180deg, rgba(248, 249, 250, 1), rgba(248, 249, 250, 1));
}

.about-surface {
    border-radius: 28px;
    padding: 44px;
    border: 1px solid rgba(218, 220, 224, 0.85);
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(10px);
}

.about-header {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 26px;
}

.about-title {
    font-size: clamp(2.1rem, 2.9vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.08;
    margin: 0;
}

.about-description {
    max-width: 68ch;
    color: var(--text-light);
    font-size: 1.05rem;
    margin: 0;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

@media (max-width: 1024px) {
    .about-surface {
        padding: 36px;
    }

    .about-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .about-section.section {
        padding: 52px 0;
    }

    .about-surface {
        padding: 26px 18px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

.about-card {
    --accent-color: var(--google-green);
    position: relative;
    background: #ffffff;
    border-radius: 24px;
    padding: 32px 28px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    height: 100%;
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.04);
}

.about-card-icon {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: var(--accent-soft);
    color: var(--accent-color);
    margin-bottom: 12px;
}

.about-card-icon svg {
    width: 22px;
    height: 22px;
}

.about-card h3 {
    font-size: 1.12rem;
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.about-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

.about-card--blue {
    --accent-color: var(--google-blue);
    --accent-soft: rgba(66, 133, 244, 0.12);
}

.about-card--red {
    --accent-color: var(--google-red);
    --accent-soft: rgba(234, 67, 53, 0.12);
}

.about-card--green {
    --accent-color: var(--google-green);
    --accent-soft: rgba(52, 168, 83, 0.12);
}

.about-card--yellow {
    --accent-color: var(--google-yellow);
    --accent-soft: rgba(251, 188, 4, 0.18);
}

@media (prefers-reduced-motion: reduce) {
    .about-card {
        transition: none;
    }

    .about-card:hover {
        transform: none;
    }
}

/* Reveal (optional) */
.reveal-up {
    opacity: 1;
    transform: none;
}

html[data-js="true"] .reveal-up {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 520ms ease, transform 520ms ease;
}

html[data-js="true"] .reveal-up.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal-up {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Sponsors */
#sponsors {
    text-align: center;
}

.sponsor-section-title {
    text-align: left;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    margin-top: 30px;
    font-weight: 400;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.sponsor-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 24px;
    padding: 30px 20px;
    text-align: center;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    min-height: 200px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.sponsor-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.sponsor-logo-wrapper {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-bottom: 15px;
}

.sponsor-logo-wrapper img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
}

.sponsor-info h4 {
    margin: 10px 0;
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
}

.sponsor-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
    margin-top: 10px;
}

/* Badge Colors */
.badge-gold {
    background-color: #f4b400;
}

.badge-silver {
    background-color: #9aa0a6;
}

.badge-bronze {
    background-color: #ce8a78;
}

.badge-host {
    background-color: #34a853;
}

.badge-main {
    background-color: #34a853;
}

.badge-media {
    background-color: #4285f4;
}

.badge-default {
    background-color: #5f6368;
}

/* Removing colored border overrides for smooth glass look */
.sponsor-card.gold,
.sponsor-card.silver,
.sponsor-card.bronze,
.sponsor-card.host,
.sponsor-card.main-supporter,
.sponsor-card.media-partner {
    border-top: none;
}

@media (max-width: 768px) {
    .sponsors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .sponsor-card {
        padding: 15px 10px;
        min-height: 150px;
    }

    .sponsor-section-title {
        text-align: center;
    }

    /* Speakers Mobile Grid 2x2 */
    .speakers-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .speaker-card {
        width: 100%;
        padding: 15px 10px;
    }

    .speaker-card .avatar {
        width: 70px;
        height: 70px;
        margin-bottom: 10px;
        font-size: 1.5rem;
    }

    .speaker-card h3 {
        font-size: 1rem;
    }

    .speaker-card p {
        font-size: 0.8rem;
    }
}

.expo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 32px;
    border-radius: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.06);
    /* border-top removed here, moved to specific classes */
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
    /* Color removed here */
}

/* Card Color Variants */
.card-green {
    border-top: 4px solid var(--google-green);
}

.card-green h3 {
    color: var(--google-green);
}

.card-blue {
    border-top: 4px solid var(--google-blue);
}

.card-blue h3 {
    color: var(--google-blue);
}

.card-red {
    border-top: 4px solid var(--google-red);
}

.card-red h3 {
    color: var(--google-red);
}

.card-yellow {
    border-top: 4px solid var(--google-yellow);
}

.card-yellow h3 {
    color: var(--google-yellow);
}

/* Speakers Placeholder */
/* Speakers Desktop Grid - overrides flexbox placeholder */
@media (min-width: 769px) {
    .speakers-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
        justify-content: start;
        /* Align correctly if grid */
    }
}

/* Fallback/Mobile base styles if needed can go here, but mobile is handled by max-width query above */

.speaker-card.placeholder {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    width: 250px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.avatar {
    width: 100px;
    height: 100px;
    background-color: var(--bg-light);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-light);
}

/* Footer */
.footer {
    background-color: var(--bg-light);
    padding: 50px 0 20px;
    margin-top: 50px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-logo img {
    height: 30px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-social {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--google-blue), var(--google-green));
    transition: all 0.3s ease;
    color: white;
}

.footer-social a:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 20px rgba(66, 133, 244, 0.3);
}

.footer-social a:nth-child(1) {
    background: linear-gradient(135deg, #E1306C, #FD1D1D);
}

.footer-social a:nth-child(2) {
    background: #0077B5;
}

.footer-social a:nth-child(3) {
    background: #25D366;
}

.footer-social a svg {
    width: 20px;
    height: 20px;
}

.copyright {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

/* Mobile Menu Styles */
@media (max-width: 768px) {

    /* Container padding for mobile */
    .container {
        padding: 0 16px;
    }

    /* Hero mobile styles */
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .container {
        display: block;
        /* Stack naturally without flex gap */
        position: relative;
    }

    .hero-content {
        position: relative;
        z-index: 2;
        /* Ensure text is above image */
    }

    .hero-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
        opacity: 0.15;
        /* Subtle background */
        pointer-events: none;
        align-items: center;
        /* Center image vertically if needed */
        justify-content: center;
    }

    .hero-image--tripoli {
        width: 100%;
        margin: 0;
        justify-self: center;
        align-self: center;
    }

    .hero-image--tripoli img {
        transform: scale(1.5);
        /* Make it cover more area */
        object-fit: cover;
        width: 100%;
        height: 100%;
    }

    /* Hero text adjustments */
    .hero .description {
        font-size: 1rem;
    }

    .hero .tagline {
        font-size: 0.85rem;
    }

    .date-location {
        font-size: 1rem;
    }

    /* Badge pill mobile */
    .hero-badge-pill {
        font-size: 0.85rem;
        padding: 10px 16px;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 20px;
        box-shadow: 0 6px 20px rgba(66, 133, 244, 0.2);
    }

    /* CTA buttons stack on mobile */
    .cta-group {
        flex-direction: column;
        width: 100%;
    }

    .cta-group .btn {
        width: 100%;
        text-align: center;
    }

    .hero-image {
        width: 100%;
        margin-top: 16px;
    }

    .hero-visual {
        max-width: 100%;
        border-radius: 24px;
    }

    .hero-image--tripoli {
        pointer-events: none;
    }

    .hero-image--tripoli .hero-visual {
        border-radius: 0;
    }

    .hero-image--tripoli img {
        height: min(48vh, 480px);
        max-height: none;
        width: auto;
        max-width: none;
        opacity: 0.38;
        transform: translateY(160px) scale(1.06);
        transform-origin: center bottom;
    }

    .hero-image--tripoli {
        width: 100vw;
        margin-left: calc(50% - 50vw);
        margin-right: calc(50% - 50vw);
        margin-top: -20px;
        margin-bottom: -140px;
        justify-content: center;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        /* Height of navbar */
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.05);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links li {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateY(0);
    }

    /* Stagger animation for links */
    .nav-links.active li:nth-child(1) {
        transition-delay: 0.1s;
    }

    .nav-links.active li:nth-child(2) {
        transition-delay: 0.2s;
    }

    .nav-links.active li:nth-child(3) {
        transition-delay: 0.3s;
    }

    .nav-links.active li:nth-child(4) {
        transition-delay: 0.4s;
    }

    .nav-links.active li:nth-child(5) {
        transition-delay: 0.5s;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hamburger span {
        transition: all 0.3s ease;
    }

    /* Section headers mobile */
    .section-header h2 {
        font-size: 2rem;
    }

    .section-header p {
        font-size: 0.95rem;
    }

    /* Cards mobile padding */
    .card {
        padding: 20px;
    }

    .card h3 {
        font-size: 1.3rem;
    }

    /* Modals mobile */
    .modal-content {
        padding: 24px;
        margin: 5% auto;
        width: 95%;
    }

    .modal-title {
        font-size: 1.5rem;
    }

    /* Form inputs mobile */
    .form-input {
        font-size: 16px;
        /* Prevent zoom on iOS */
    }

    .agenda-search-input {
        font-size: 16px;
        /* Prevent zoom on iOS */
        padding: 12px 15px;
        padding-left: 45px;
    }

    /* About section mobile fixes */
    .about-header {
        text-align: center;
    }

    .about-description {
        font-size: 0.95rem;
    }

    /* FAQ mobile */
    .faq-summary {
        font-size: 1rem;
        padding: 18px;
    }

    .faq-answer {
        padding: 0 18px 18px;
        font-size: 0.9rem;
    }
}

/* Hero Shape - Google Colors Abstract */
.hero-shape {
    position: absolute;
    top: 50%;
    right: -10%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle at 30% 30%, rgba(66, 133, 244, 0.1) 0%, rgba(234, 67, 53, 0.1) 25%, rgba(251, 188, 4, 0.1) 50%, rgba(52, 168, 83, 0.1) 75%);
    filter: blur(60px);
    border-radius: 50%;
    z-index: 1;
    animation: float 10s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(-50%) translate(0, 0);
    }

    50% {
        transform: translateY(-50%) translate(-20px, 20px);
    }

    100% {
        transform: translateY(-50%) translate(0, 0);
    }
}

/* Premium Card Hover Effects */
.card {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.card:hover::before {
    opacity: 1;
}

/* Agenda Search */
.agenda-search-container {
    max-width: 600px;
    margin: 0 auto 30px;
    position: relative;
}

/* Scroll hint for agenda */
.agenda-container::after {
    content: '← Scroll to see all tracks →';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 20px;
    border-radius: 20px;
    pointer-events: none;
    opacity: 0.7;
    animation: fadeInOut 3s ease-in-out infinite;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 5;
}

@keyframes fadeInOut {

    0%,
    100% {
        opacity: 0.4;
    }

    50% {
        opacity: 0.8;
    }
}

@media (max-width: 768px) {
    .agenda-container::after {
        display: none;
    }
}

.agenda-search-input {
    width: 100%;
    padding: 15px 20px;
    padding-left: 50px;
    font-size: 1.1rem;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    background-color: white;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 15px center;
    transition: all 0.3s ease;
}

.agenda-search-input:focus {
    outline: none;
    border-color: var(--google-green);
    box-shadow: 0 4px 12px rgba(52, 168, 83, 0.15);
}

/* Agenda Section - Track Layout */
.agenda-container {
    overflow-x: auto;
    padding-bottom: 40px;
    -webkit-overflow-scrolling: touch;
    /* Smooth scrolling on iOS */
    position: relative;
}

.agenda-tracks {
    display: flex;
    flex-direction: column;
    /* Stack blocks vertically */
    gap: 0;
    /* Gap handled by margin in blocks */
    min-width: 1000px;
    /* Ensure horizontal scroll */
    padding: 10px 5px;
}

/* Better scrollbar styling */
.agenda-container::-webkit-scrollbar {
    height: 8px;
}

.agenda-container::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 10px;
}

.agenda-container::-webkit-scrollbar-thumb {
    background: var(--google-green);
    border-radius: 10px;
}

.agenda-container::-webkit-scrollbar-thumb:hover {
    background: #2e7d32;
}

.track {
    flex: 1;
    min-width: 250px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 249, 250, 0.95));
    border-radius: 16px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.track .session-card {
    margin: 0 15px 15px 15px;
}

.track .session-card:first-of-type {
    margin-top: 15px;
}

@media (max-width: 768px) {
    .track {
        min-width: 100%;
        margin-bottom: 10px;
    }
}

/* Common Break Styles */
.agenda-block {
    display: flex;
    gap: 20px;
    min-width: 1000px;
    padding: 10px 5px;
}

@media (max-width: 768px) {
    .agenda-block {
        flex-direction: column;
        min-width: 100%;
        gap: 15px;
    }
}

.common-session {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.05), rgba(52, 168, 83, 0.05));
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    text-align: center;
    border-left: 5px solid var(--google-blue);
    border-right: 5px solid var(--google-green);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    min-width: 1000px;
    /* Match agenda-tracks width */
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.common-session:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.common-session .time {
    font-weight: 700;
    color: white;
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--google-blue), var(--google-green));
    padding: 8px 20px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
}

.common-session h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-main);
}

.common-session p {
    margin: 0;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .common-session {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        padding: 15px;
        min-width: 100%;
        /* Full width on mobile */
        margin: 15px 0;
    }

    .common-session .time {
        font-size: 0.9rem;
        padding: 4px 12px;
    }

    .common-session h3 {
        font-size: 1.1rem;
    }
}

.track-header {
    font-weight: 700;
    color: var(--google-green);
    text-align: center;
    padding: 12px;
    border-bottom: 3px solid var(--google-green);
    margin-bottom: 10px;
    font-size: 1.1rem;
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, rgba(52, 168, 83, 0.05), rgba(66, 133, 244, 0.05));
    z-index: 10;
    border-radius: 8px 8px 0 0;
}

/* Color variations for different tracks */
.track:nth-child(1) .track-header {
    color: white;
    border-bottom: none;
    background: linear-gradient(135deg, var(--google-blue), #1976D2);
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

.track:nth-child(2) .track-header {
    color: white;
    border-bottom: none;
    background: linear-gradient(135deg, var(--google-red), #D32F2F);
    box-shadow: 0 4px 12px rgba(234, 67, 53, 0.3);
}

.track:nth-child(3) .track-header {
    color: #333;
    border-bottom: none;
    background: linear-gradient(135deg, var(--google-yellow), #FFA000);
    box-shadow: 0 4px 12px rgba(251, 188, 4, 0.4);
}

.track:nth-child(4) .track-header {
    color: white;
    border-bottom: none;
    background: linear-gradient(135deg, var(--google-green), #388E3C);
    box-shadow: 0 4px 12px rgba(52, 168, 83, 0.3);
}

@media (max-width: 768px) {
    .track-header {
        font-size: 1rem;
        padding: 8px;
    }
}

.session-card {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--google-green);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-left-color 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 120px;
    /* Ensure consistent card heights */
    position: relative;
}

/* Alternate GDG colors for session cards */
.session-card:nth-child(4n+1) {
    border-left-color: var(--google-blue);
}

.session-card:nth-child(4n+2) {
    border-left-color: var(--google-red);
}

.session-card:nth-child(4n+3) {
    border-left-color: var(--google-yellow);
}

.session-card:nth-child(4n+4) {
    border-left-color: var(--google-green);
}

.session-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Room label styling */
.session-room-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--google-blue);
    margin-bottom: 8px;
    padding: 4px 8px;
    background: rgba(66, 133, 244, 0.08);
    border-radius: 6px;
    width: fit-content;
}

.session-room-label svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .session-card {
        min-height: auto;
        padding: 12px;
    }

    .session-room-label {
        font-size: 0.75rem;
        padding: 3px 6px;
    }

    .session-room-label svg {
        width: 12px;
        height: 12px;
    }
}

.session-time {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--google-red);
    display: block;
    background: rgba(234, 67, 53, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    width: fit-content;
}

@media (max-width: 768px) {
    .session-time {
        font-size: 0.75rem;
    }
}

.session-card h4 {
    font-size: 1rem;
    color: var(--text-main);
    line-height: 1.4;
    margin: 0;
    font-weight: 600;
}

@media (max-width: 768px) {
    .session-card h4 {
        font-size: 0.95rem;
        line-height: 1.3;
    }
}

.session-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.session-meta::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--google-green);
    display: inline-block;
}

.session-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 5px;
}

.tag {
    font-size: 0.7rem;
    padding: 4px 10px;
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.1), rgba(52, 168, 83, 0.1));
    border-radius: 12px;
    color: var(--google-blue);
    font-weight: 600;
    border: 1px solid rgba(66, 133, 244, 0.2);
    transition: all 0.2s ease;
}

.tag:hover {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.2), rgba(52, 168, 83, 0.2));
    transform: scale(1.05);
}

.session-speaker-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 5px;
    padding-top: 8px;
    border-top: 1px solid #eee;
}

.session-speaker-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.session-speaker-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.session-speaker-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}

.session-speaker-company {
    font-size: 0.75rem;
    color: #4a4a4a;
    /* Darker than var(--text-light) */
    font-weight: 500;
}

.session-speaker-tagline {
    font-size: 0.75rem;
    color: #4a4a4a;
    font-weight: 500;
}

.session-speaker-company-small {
    font-size: 0.65rem;
    color: var(--text-light);
    font-weight: 400;
    margin-top: 2px;
}

.speaker-company-popup {
    font-size: 1.1rem;
    color: var(--google-blue);
    font-weight: 600;
    margin-bottom: 5px;
}

/* Mobile Agenda Styles */
.mobile-agenda {
    display: none;
    /* Hidden by default on desktop */
    flex-direction: column;
    gap: 20px;
}

.mobile-section-title {
    font-size: 1.2rem;
    color: var(--google-blue);
    margin-bottom: 15px;
    padding-left: 5px;
    border-left: 4px solid var(--google-red);
    padding: 5px 10px;
    background: rgba(234, 67, 53, 0.05);
    border-radius: 0 4px 4px 0;
}

.mobile-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hidden-sessions {
    display: none;
    margin-top: 15px;
}

.hidden-sessions.show {
    display: flex;
    flex-direction: column;
    gap: 15px;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.full-width {
    width: 100%;
    text-align: center;
    margin-bottom: 10px;
}

/* Mobile Responsiveness for Agenda */
@media (max-width: 768px) {
    .agenda-tracks {
        display: none;
        /* Hide track layout on mobile */
    }

    .mobile-agenda {
        display: flex;
        /* Show mobile list layout */
    }

    .auditorium-header {
        display: none;
    }

    .expo-grid {
        grid-template-columns: 1fr;
    }
}

/* Speaker Cards (Dynamic) */
.speaker-card {
    background: white;
    padding: 30px;
    border-radius: 24px;
    text-align: center;
    width: 280px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.speaker-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

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

.speaker-card h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.speaker-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-stagger {
    opacity: 0;
    /* Start hidden */
    animation: slideInUp 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* FAQ Styles */
.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item[open] {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.faq-summary {
    padding: 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    /* Remove default triangle */
    color: var(--text-main);
}

.faq-summary::-webkit-details-marker {
    display: none;
}

.faq-summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--google-blue);
    transition: transform 0.3s ease;
}

.faq-item[open] .faq-summary::after {
    transform: rotate(45deg);
    color: var(--google-red);
}

.faq-answer {
    padding: 0 24px 24px;
    color: var(--text-light);
    line-height: 1.6;
    border-top: 1px solid transparent;
}

.faq-item[open] .faq-answer {
    border-top-color: rgba(0, 0, 0, 0.04);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: block;
    opacity: 1;
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 40px;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: 20px;
    right: 20px;
    transition: color 0.2s;
}

.close-modal:hover,
.close-modal:focus {
    color: var(--text-main);
    text-decoration: none;
    cursor: pointer;
}

/* Modal Internal Styles */
.modal-header {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--google-blue);
}

.modal-meta {
    display: flex;
    gap: 20px;
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.modal-body {
    line-height: 1.8;
    color: var(--text-main);
}

.modal-body h4 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

/* Badge Generator */
.badge-container {
    display: flex;
    gap: 40px;
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    align-items: flex-start;
}

.badge-controls {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.badge-controls h3 {
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 5px;
}

.badge-controls p {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-input {
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f9f9f9;
}

.form-input:focus {
    outline: none;
    border-color: var(--google-blue);
    background-color: white;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.15);
}

.file-upload-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    cursor: pointer;
    text-align: center;
    padding: 16px;
    border: 2px dashed var(--google-green);
    background-color: rgba(52, 168, 83, 0.05);
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 600;
    color: var(--google-green);
}

.file-upload-btn:hover {
    background-color: rgba(52, 168, 83, 0.1);
    transform: translateY(-2px);
}

.hint {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 8px;
    font-style: italic;
}

.camera-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2334A853' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='7' width='18' height='14' rx='2' ry='2'%3E%3C/rect%3E%3Ccircle cx='12' cy='14' r='4'%3E%3C/circle%3E%3Cpath d='M9 7l1.5-3h3L15 7'%3E%3C/path%3E%3C/svg%3E");
}

.hidden {
    display: none !important;
}

.badge-preview {
    flex: 1;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 30px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.05);
}

#badgeCanvas {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    transform: rotate(-1deg);
    transition: transform 0.3s ease;
}

#badgeCanvas:hover {
    transform: rotate(0deg) scale(1.02);
}

#downloadButton {
    margin-top: 10px;
}

@media (max-width: 900px) {
    .badge-container {
        flex-direction: column-reverse;
        padding: 24px;
    }

    .badge-preview {
        width: 100%;
        padding: 20px;
    }
}

.speaker-profile {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.speaker-profile img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
}

.speaker-info h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.speaker-info .tagline {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 15px;
    text-transform: none;
    letter-spacing: normal;
    font-weight: 400;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    color: var(--google-blue);
    font-weight: 500;
}

/* Mobile Responsiveness for Agenda */
@media (max-width: 768px) {
    .auditorium-header {
        display: none;
        /* Hide standard header on mobile */
    }

    .agenda-grid,
    .agenda-container {
        min-width: 100%;
    }

    .time-slot {
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin-bottom: 30px;
    }

    .time-label {
        background-color: var(--bg-light);
        padding: 10px;
        border-radius: 8px;
        justify-content: flex-start;
        font-weight: 700;
        color: var(--google-blue);
    }

    .session-card {
        margin-left: 10px;
        border-left-width: 6px;
    }

    .speaker-profile {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .speaker-profile img {
        margin-bottom: 20px;
    }

    .social-links {
        justify-content: center;
    }

    /* Mobile Grid Overrides (Moved here for specificity) */
    .sponsors-grid,
    .speakers-grid,
    .expo-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        justify-content: normal;
        /* Override justify-content: center */
    }

    .sponsor-card,
    .speaker-card,
    .card {
        width: 100%;
        padding: 15px 10px;
        min-height: auto;
    }

    .sponsor-card {
        min-height: 150px;
    }

    .speaker-card .avatar {
        width: 70px;
        height: 70px;
        margin-bottom: 10px;
        font-size: 1.5rem;
    }

    .speaker-card h3 {
        font-size: 1rem;
        margin-bottom: 5px;
    }

    .speaker-card p {
        font-size: 0.8rem;
    }
}

/* Sponsor Modal Styles */
.sponsor-modal-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sponsor-modal-header {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.sponsor-modal-logo {
    width: 200px;
    height: 200px;
    background: #f8f9fa;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    flex-shrink: 0;
}

.sponsor-modal-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.sponsor-modal-info {
    flex: 1;
}

.sponsor-modal-info h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.sponsor-description {
    font-size: 1rem;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 20px;
}

.sponsor-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-weight: 500;
}

.sponsor-modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.close-modal-btn {
    padding: 8px 24px;
}

/* Modal Sponsor Badge Override */
.sponsor-modal-info .sponsor-badge {
    font-size: 0.9rem;
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 0;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.sponsor-modal-info .sponsor-badge .icon {
    font-size: 1.1rem;
}

/* Badge Specific Styles for Popups to match image style */
.sponsor-modal-info .badge-main,
.sponsor-modal-info .badge-host {
    background-color: #34a853;
    /* Green */
    color: white;
}

.sponsor-modal-info .badge-gold {
    background-color: #fbbc04;
    /* Google Yellow/Gold */
    color: #202124;
    /* Dark text for contrast on yellow */
}

.sponsor-modal-info .badge-silver {
    background-color: #dadce0;
    color: #202124;
}

.sponsor-modal-info .badge-bronze {
    background-color: #ce8a78;
    color: white;
}

@media (max-width: 768px) {
    .sponsor-modal-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .sponsor-modal-info h2 {
        justify-content: center;
    }

    .sponsor-modal-logo {
        width: 150px;
        height: 150px;
        margin: 0 auto;
    }

    .sponsor-modal-footer {
        flex-direction: column;
        gap: 20px;
    }
}

/* Small mobile devices (max-width: 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }

    .about-card {
        padding: 24px 20px;
    }

    .speaker-card,
    .sponsor-card {
        padding: 12px 8px;
    }

    .session-card {
        padding: 12px;
    }

    .session-card h4 {
        font-size: 0.95rem;
    }

    .common-session {
        padding: 15px;
    }

    .common-session h3 {
        font-size: 1.05rem;
    }
}

/* Tablet landscape (768px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 95%;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .cta-group {
        gap: 12px;
    }

    .speakers-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .about-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}