/* Neo-X Branding CSS - Neobrutalism Style */

/* CSS Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Neo-X Brand Colors */
    --primary-teal: #00B4D8;
    --primary-teal-light: #33C4E8;
    --primary-teal-dark: #0096B4;
    --accent-yellow: #FFD166;
    --accent-red: #E63946;
    --accent-green: #22C55E;

    /* Neutrals - Improved contrast for readability */
    --bg-light: #FAFAFA;
    --bg-white: #FFFFFF;
    --text-dark: #111111;
    --text-secondary: #424242;
    --text-muted: #5F6368;
    --text-on-yellow: #1A1A1A;
    --text-on-primary: #FFFFFF;
    --border-black: #000000;
    --border-color: #000000;

    /* Neo-X Neobrutalism Shadows - Bold & Sharp */
    --shadow-brutal: 6px 6px 0px #000000;
    --shadow-brutal-sm: 4px 4px 0px #000000;
    --shadow-brutal-lg: 8px 8px 0px #000000;
    --shadow-brutal-hover: 10px 10px 0px #000000;
    --shadow-brutal-active: 2px 2px 0px #000000;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius - Neobrutalism uses sharp or slightly rounded */
    --radius-sm: 0px;
    --radius-md: 4px;
    --radius-lg: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.5;
}

/* Background Canvas */
#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header - Neobrutalism Style */
.header {
    background: var(--bg-white);
    border-bottom: 4px solid var(--border-black);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-brutal-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    height: 48px;
    width: auto;
}

.logo-text {
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--text-dark);
    letter-spacing: -1px;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 700;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
}

.nav-link:hover {
    background: var(--accent-yellow);
    border-color: var(--border-black);
    box-shadow: var(--shadow-brutal-sm);
}

.nav-cta {
    background: var(--primary-teal);
    color: white !important;
    border: 3px solid var(--border-black) !important;
    box-shadow: var(--shadow-brutal-sm);
}

.nav-cta:hover {
    background: var(--primary-teal-dark);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal);
}

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0;
}

.hero-card {
    background: var(--bg-white);
    border: 4px solid var(--border-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-brutal-lg);
}

.event-badge {
    display: inline-block;
    background: var(--accent-yellow);
    color: var(--text-dark);
    font-size: 0.85rem;
    font-weight: 800;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 3px solid var(--border-black);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: var(--shadow-brutal-sm);
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -2px;
    text-transform: uppercase;
}

.hero-tagline {
    font-size: 1.5rem;
    color: #0077A3;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.hero-description {
    color: #424242;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.1rem;
}

.event-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border: 3px solid var(--border-black);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-brutal-sm);
}

.meta-item span {
    font-size: 0.8rem;
    color: #5F6368;
    font-weight: 600;
    text-transform: uppercase;
}

.meta-item strong {
    font-size: 1rem;
    color: #111111;
    font-weight: 800;
}

.meta-icon {
    width: 28px;
    height: 28px;
    color: var(--primary-teal);
}

/* Buttons - Neobrutalism Style */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 800;
    border-radius: var(--radius-md);
    border: 4px solid var(--border-black);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary-teal);
    color: white;
    box-shadow: var(--shadow-brutal);
}

.btn-primary:hover {
    background: var(--primary-teal-dark);
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-brutal-hover);
}

.btn-primary:active {
    transform: translate(4px, 4px);
    box-shadow: var(--shadow-brutal-active);
}

.spinner {
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Sections */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: -1px;
}

.section-subtitle {
    text-align: center;
    color: #424242;
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

/* Agenda Section - Neobrutalism Cards */
.agenda-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.agenda-card {
    background: var(--bg-white);
    border: 4px solid var(--border-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-brutal);
}

.agenda-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-brutal-hover);
    background: #FFF8DC;
}

.agenda-card:nth-child(2):hover {
    background: #F0F7FF;
}

.agenda-card:nth-child(3):hover {
    background: #FFF5F5;
}

.agenda-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    border: 4px solid var(--border-black);
    box-shadow: var(--shadow-brutal-sm);
}

.agenda-icon svg {
    width: 32px;
    height: 32px;
}

.icon-teal {
    background: var(--primary-teal);
    color: white;
}

.icon-yellow {
    background: var(--accent-yellow);
    color: var(--text-dark);
}

.icon-red {
    background: var(--accent-red);
    color: white;
}

.agenda-title {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.agenda-description {
    color: #424242;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Giveaway Section - Prominent Neobrutalism Style */
.giveaway-section {
    background: var(--bg-light);
    border-top: 4px solid var(--border-black);
    border-bottom: 4px solid var(--border-black);
}

.giveaway-card {
    background: linear-gradient(135deg, #FFF3CD 0%, #FFE69C 100%);
    border: 5px solid var(--border-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow-brutal-lg);
}

.giveaway-badge {
    display: inline-block;
    background: var(--accent-red);
    color: white;
    font-size: 0.85rem;
    font-weight: 900;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 3px solid var(--border-black);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
    text-transform: uppercase;
    box-shadow: var(--shadow-brutal-sm);
}

.giveaway-title {
    font-size: 2rem;
    font-weight: 900;
    color: #111111;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: -1px;
}

.giveaway-value {
    background: var(--primary-teal);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border: 4px solid var(--border-black);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: inline-block;
    box-shadow: var(--shadow-brutal);
}

.value-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    opacity: 0.95;
    text-transform: uppercase;
}

.value-amount {
    font-size: 1.75rem;
    font-weight: 900;
}

.giveaway-details {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    text-align: left;
    display: inline-block;
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border: 3px solid var(--border-black);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-brutal-sm);
    min-width: 280px;
}

.giveaway-details li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: #111111;
    font-weight: 600;
    font-size: 0.95rem;
}

.giveaway-details svg {
    width: 24px;
    height: 24px;
    color: #16A34A;
    flex-shrink: 0;
}

.giveaway-note {
    font-size: 0.9rem;
    color: #424242;
    font-weight: 700;
    font-style: italic;
    background: rgba(255,255,255,0.7);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    display: inline-block;
}

/* Form Section - Neobrutalism Form */
.register-section {
    background: var(--bg-light);
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
}

.form-title {
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: -1px;
}

.form-subtitle {
    text-align: center;
    color: #424242;
    margin-bottom: var(--spacing-xl);
}

.registration-form {
    background: var(--bg-white);
    border: 4px solid var(--border-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-brutal);
}

.form-row {
    margin-bottom: var(--spacing-md);
}

.form-row.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

.required {
    color: var(--accent-red);
}

.form-group input,
.form-group select {
    padding: var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    border: 3px solid var(--border-black);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    color: var(--text-dark);
    transition: all 0.15s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-teal);
    box-shadow: var(--shadow-brutal-sm);
    background: #F0FAFF;
}

.form-group input::placeholder {
    color: #757575;
    font-weight: 400;
}

.form-group input.error,
.form-group select.error {
    border-color: var(--accent-red);
    background: #FFF5F5;
}

.error-message {
    font-size: 0.8rem;
    color: var(--accent-red);
    font-weight: 700;
    margin-top: var(--spacing-xs);
    min-height: 1.2em;
}

.form-actions {
    margin-top: var(--spacing-lg);
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.25rem;
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: var(--shadow-brutal-sm) !important;
}

/* Success Message */
.success-message {
    background: var(--accent-green);
    border: 4px solid var(--border-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-brutal);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-white);
    border: 4px solid var(--border-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-brutal-sm);
}

.success-icon svg {
    width: 40px;
    height: 40px;
    color: var(--accent-green);
}

.success-message h3 {
    font-size: 1.75rem;
    color: #FFFFFF;
    margin-bottom: var(--spacing-sm);
    font-weight: 900;
    text-transform: uppercase;
}

.success-message p {
    color: #111111;
    font-weight: 600;
    font-size: 1.1rem;
}

.success-note {
    margin-top: var(--spacing-md);
    font-size: 1rem;
    font-weight: 700;
    opacity: 0.9;
}

/* Invitation Section */
.invitation-section {
    background: var(--bg-light);
}

.invitation-card {
    background: var(--bg-white);
    border: 4px solid var(--border-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-brutal);
}

.invitation-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    color: #111111;
}

.invitation-note {
    color: #424242;
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.invitation-image-wrapper {
    max-width: 500px;
    margin: 0 auto;
    border: 4px solid var(--border-black);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-brutal);
}

.invitation-image {
    width: 100%;
    height: auto;
    display: block;
}

/* Footer - Neobrutalism Style */
.footer {
    background: var(--text-dark);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    border-top: 4px solid var(--border-black);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo-text {
    color: white;
}

.footer-tagline {
    color: #B0B0B0;
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
    font-weight: 500;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    color: var(--bg-white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
}

.footer-link:hover {
    background: var(--accent-yellow);
    color: var(--text-dark);
    border-color: var(--border-black);
    box-shadow: var(--shadow-brutal-sm);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    color: var(--bg-white);
    transition: all 0.15s ease;
}

.social-link:hover {
    color: var(--primary-teal);
    transform: translateY(-2px);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

.footer-bottom {
    border-top: 2px solid #333;
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: #B0B0B0;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Confetti Canvas */
#confettiCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        height: 64px;
    }

    .nav {
        gap: var(--spacing-sm);
    }

    .nav-link:not(.nav-cta) {
        display: none;
    }

    .hero-card {
        padding: var(--spacing-lg);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-tagline {
        font-size: 1.15rem;
    }

    .event-meta {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .meta-item {
        flex-direction: row;
        gap: var(--spacing-md);
        width: 100%;
        justify-content: center;
    }

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

    .form-row.two-col {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

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

    .giveaway-title {
        font-size: 1.75rem;
    }

    .value-amount {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-card {
        padding: var(--spacing-md);
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .giveaway-card {
        padding: var(--spacing-lg);
    }

    .registration-form {
        padding: var(--spacing-md);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 1rem;
    }

    .logo-img {
        height: 40px;
    }

    .logo-text {
        font-size: 1.25rem;
    }

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