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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #000;
    color: #fff;
    line-height: 1.7;
}

/* Header */
.header {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 15px 50px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.sonos-logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
}

.sonos-logo img {
    height: 20px;   /* adjust as needed */
    width: auto;
}


/* Hero Section */
.hero-section {
    margin-top: 0;
    padding: 0;
    position: relative;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
}

.hero-logo img {
    width: 380px;    /* Adjust as needed */
    max-width: 80%;
    height: auto;
    display: block;
    margin-bottom: 20px;
}



.hero-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 50px 80px;
}

.hero-content {
    max-width: 1100px;
    width: 100%;
}

.hero-title {
    font-size: 56px;
    font-weight: 300;
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: 0;
}

.hero-brand {
    font-size: 96px;
    font-weight: 700;
    letter-spacing: 8px;
    line-height: 1;
    margin-bottom: 10px;
}

.hero-subtitle-text {
    font-size: 56px;
    font-weight: 300;
    line-height: 1;
    margin-bottom: 30px;
    letter-spacing: 0;
}

.hero-date {
    font-size: 16px;
    color: #fff;
    margin-bottom: 5px;
    font-weight: 400;
}

.hero-location {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 35px;
    font-weight: 300;
}

.hero-btn {
    padding: 12px 45px;
    background: transparent;
    color: #fff;
    border: 1.5px solid #fff;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
}

.hero-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Content Section */
.content-section {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 50px;
}

.intro-text {
    font-size: 18px;
    line-height: 1.7;
    color: #ffffff;
    margin-bottom: 40px;
    font-weight: 100;
    margin-right: 200px;
}

.attend-card p {
    padding: 20px 0;
    font-size: 18px;
    line-height: 1.7;
    color: #ffffff;
    font-weight: 100;
}

.section-heading {
    font-size: 50px;
    font-weight: 600;
    margin-bottom: 50px;
    margin-top: 80px;
}

.section-text {
    font-size: 18px;
    line-height: 1.8;
    color: #ccc;
    margin-bottom: 30px;
}

/* Why Attend Grid */
.why-attend-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin: 50px 0 80px;
    margin-bottom: 65px;
}

.attend-card {
    background: transparent;
    border-radius: 0;
    overflow: hidden;
}

.attend-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    border-radius: 8px;
}

.attend-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}



.highlight-box {
    background: transparent;
    color: #fff;
    padding: 0;
    border-radius: 0;
    /* margin: 80px 0 100px; */
    text-align: center;
}

.highlight-box h2 {
    font-size: 50px;
    margin-bottom: 0;
    font-weight: 600;
    line-height: 1.4;
    text-align: left;
}

.invite-notice {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 12px;
    margin: 60px 0;
    border: 1px solid #333;
    text-align: center;
}

.invite-notice p {
    font-size: 18px;
    line-height: 1.8;
    color: #ddd;
    margin-bottom: 15px;
}

.invite-notice p:last-child {
    margin-bottom: 0;
}

/* Registration Form */
.registration-section {
    max-width: 1100px;
    margin: 0 auto 80px;
    padding: 70px 60px;
    background: rgb(255, 255, 255);
    border-radius: 50px;
    border: none;
}

.form-heading {
    font-size: 28px;
    margin-bottom: 50px;
    text-align: left;
    font-weight: 400;
    color: #000;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 0;
}

.form-group {
    flex: 1;
    margin-bottom: 24px;
}

.form-group input {
    width: 100%;
    padding: 14px 18px;
    background: #fff;
    border: 1.8px solid black;
    border-radius: 10px;
    /* border-bottom: 1px solid #ddd; */
    /* border-radius: 0; */
    color: #000;
    font-size: 16px;
    transition: all 0.3s ease;
}


.form-group input::placeholder {
    color: #aaa;
    font-weight: 300;
}

.form-group input:focus {
    outline: none;
    border-bottom-color: #000;
    background: #fff;
}

.consent-box {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 35px 0 40px;
    padding: 0;
    align-items: center;
    background: transparent;
    border-radius: 0;
}

.consent-box input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
    accent-color: #000;
}

.consent-box label {
    font-size: 22px;
    color: #000000;
    font-weight: 100;
    line-height: 1.6;
    cursor: pointer;
}

.consent-box a {
    color: #000;
    text-decoration: underline;
}

.submit-btn {
    width: 12%;
    padding: 16px;
    background: #000;
    color: #fff;
    border: none;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0;
}

.submit-btn:hover:not(:disabled) {
    background: #1a1a1a;
    transform: translateY(-2px);
}

.submit-btn:disabled {
    background: #666;
    color: #ccc;
    cursor: not-allowed;
}

.btn-loader {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.message {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 15px;
    display: none;
}

.message.success {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
    display: block;
}

.message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
    display: block;
}

.message.info {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
    display: block;
}

/* Responsive */
@media (max-width: 1024px) {
    .why-attend-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .hero-overlay {
        padding: 150px 50px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 20px 25px;
    }

    .hero-overlay {
        padding: 120px 30px;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-brand {
        font-size: 68px;
        letter-spacing: 4px;
    }

    .hero-subtitle-text {
        font-size: 40px;
    }

    .hero-date {
        font-size: 14px;
    }

    .hero-location {
        font-size: 13px;
    }

    .content-section {
        padding: 0 25px;
        margin: 60px auto;
    }

    .intro-text {
        font-size: 16px !important;
        margin-right: 0;
    }

    .attend-card p {
        font-size: 16px;
    }

    .submit-btn {
        width: 100%;
    }

    .consent-box label {
        font-size: 16px;
    }

    .section-heading {
        font-size: 28px;
    }

    .highlight-box h2 {
        font-size: 26px;
        font-weight: 800;
    }

    .registration-section {
        padding: 50px 30px;
        margin: 0 20px 60px;
    }

    .form-heading {
        font-size: 24px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .hero-section {
        height: 80vh;
        min-height: 600px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-brand {
        font-size: 52px;
        letter-spacing: 3px;
    }

    .hero-subtitle-text {
        font-size: 32px;
    }
    
    .hero-overlay {
        padding: 100px 25px;
    }
}

.hosts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin: 50px 0 80px;
}

.host-card {
    background: transparent;
    border-radius: 0;
    overflow: hidden;
}

.host-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 20px;
}

.host-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.host-name {
    font-size: 24px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}

.host-title {
    font-size: 16px;
    line-height: 1.6;
    color: #ffffff;
    font-weight: 100;
}

/* Responsive for Hosts Section */
@media (max-width: 768px) {
    .hosts-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin: 40px 0 60px;
    }

    .host-image {
        height: 350px;
    }

    .host-name {
        font-size: 20px;
    }

    .host-title {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .host-image {
        height: 300px;
    }
}