/* CSS Design System for Pop Song Workshop Flyer imitation */

:root {
    /* Color Palette matching the poster */
    --poster-blue: #003fa3;
    --poster-blue-dark: #002b70;
    --poster-yellow: #ffd000;
    --poster-yellow-hover: #e6bc00;
    --bg-light: #ffffff;
    --bg-gray: #f8fafc;
    
    --text-dark: #1e293b;
    --text-light: #ffffff;
    --text-muted: #64748b;
    
    --border-color: #e2e8f0;
    --border-radius-lg: 12px;
    --border-radius-md: 8px;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-gray);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.max-width-md {
    max-width: 680px !important;
}

.text-center {
    text-align: center;
}

/* Typography */
h1, h2, h3, h4, h5 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    line-height: 1.2;
    color: var(--poster-blue);
    text-transform: uppercase;
}

h2 {
    font-size: 1.8rem;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    border-bottom: 3px solid var(--poster-yellow);
    display: inline-block;
    padding-bottom: 4px;
}

h4 {
    font-size: 1.2rem;
}

h5 {
    font-size: 1.05rem;
    color: inherit;
}

p {
    margin-bottom: 12px;
}

/* Navigation */
.main-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: #ffffff;
    border-bottom: 2px solid var(--poster-yellow);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--poster-blue);
}

.logo-emoji {
    margin-right: 6px;
    font-size: 1.6rem;
}

.logo-accent {
    color: var(--poster-yellow);
    -webkit-text-stroke: 1px var(--poster-blue);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: color var(--transition-speed);
}

.nav-links a:hover {
    color: var(--poster-blue);
}

.cta-nav-btn {
    background-color: var(--poster-blue);
    color: #ffffff !important;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem !important;
    box-shadow: 0 2px 4px rgba(0, 63, 163, 0.2);
    transition: background-color var(--transition-speed), transform var(--transition-speed) !important;
}

.cta-nav-btn:hover {
    background-color: var(--poster-blue-dark);
    transform: translateY(-1px);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 100%;
    height: 3px;
    background-color: var(--poster-blue);
    transition: transform var(--transition-speed), opacity var(--transition-speed);
}

/* Hero Banner Image Section */
.hero-banner-section {
    background-color: #0f1524;
    padding: 40px 0;
    border-bottom: 5px solid var(--poster-blue);
}

.banner-wrapper {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    background: #000;
}

.hero-banner-img {
    width: 100%;
    height: auto;
    display: block;
}

/* Yellow Ribbon Section */
.ribbon-section {
    padding: 30px 0 10px 0;
}

.brush-ribbon {
    background-color: var(--poster-yellow);
    border: 3px solid var(--poster-blue);
    border-radius: var(--border-radius-md);
    padding: 24px;
    text-align: center;
    box-shadow: 0 6px 12px rgba(255, 208, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.ribbon-star {
    font-size: 2.2rem;
    color: var(--poster-blue);
    margin-bottom: 8px;
}

.brush-ribbon h2 {
    color: var(--poster-blue);
    font-size: 1.6rem;
    font-weight: 900;
    margin-bottom: 8px;
}

.brush-ribbon p {
    color: var(--poster-blue-dark);
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.ribbon-check {
    color: var(--poster-blue) !important;
    font-size: 1.1rem !important;
    font-weight: 800 !important;
    margin-bottom: 0 !important;
}

/* Flyer content section */
.flyer-content-section {
    padding: 30px 0;
}

.flyer-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
}

/* Left Column Styling */
.flyer-left-col {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.info-block {
    margin-bottom: 32px;
}

.block-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.music-icon {
    font-size: 1.8rem;
    background: var(--poster-blue);
    color: #ffffff;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.block-header h3 {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

/* Keyboard Mini CSS Illustration */
.keyboard-mini-graphic {
    background-color: #1e293b;
    border: 3px solid #0f172a;
    border-radius: 6px;
    padding: 6px;
    margin-top: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.keys-container {
    position: relative;
    display: flex;
    height: 60px;
    background: #000;
}

.w-k {
    flex: 1;
    height: 100%;
    background: #ffffff;
    border-right: 1px solid #d1d5db;
    border-radius: 0 0 2px 2px;
}

.w-k:last-child {
    border-right: none;
}

.b-k {
    position: absolute;
    width: 6.5%;
    height: 60%;
    background: #000000;
    border-radius: 0 0 2px 2px;
    z-index: 10;
}

.learn-list-block {
    margin-bottom: 24px;
}

.learn-list-block h3 {
    margin-bottom: 20px;
}

.checkmark-list {
    list-style: none;
}

.checkmark-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    font-weight: 500;
    font-size: 0.95rem;
}

.checkmark-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--poster-blue);
    font-weight: 900;
    font-size: 1.1rem;
    background: var(--poster-yellow);
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--poster-blue);
}

.instruments-illustration {
    display: flex;
    justify-content: center;
    gap: 32px;
    font-size: 2.2rem;
    margin-top: 24px;
    opacity: 0.85;
}

/* Right Column (Blue Brain Card) Styling */
.flyer-right-col {
    display: flex;
}

.brain-card {
    background-color: var(--poster-blue);
    color: var(--text-light);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: 0 8px 16px rgba(0, 63, 163, 0.15);
    display: flex;
    flex-direction: column;
}

.brain-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    border-bottom: 2px solid rgba(255,255,255,0.15);
    padding-bottom: 16px;
}

.brain-icon {
    font-size: 2.2rem;
    background: var(--poster-yellow);
    border-radius: 50%;
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brain-card-header h4 {
    color: var(--text-light);
    font-weight: 900;
    font-size: 1.15rem;
    line-height: 1.3;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: auto;
}

.benefit-item {
    display: flex;
    gap: 16px;
}

.benefit-icon-wrapper {
    background: var(--poster-yellow);
    color: var(--poster-blue);
    font-size: 1.4rem;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.benefit-text h5 {
    color: var(--poster-yellow);
    font-weight: 800;
    font-size: 1rem;
    margin-bottom: 4px;
}

.benefit-text p {
    color: rgba(255,255,255,0.9);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.scientific-source {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.7);
    margin-top: 32px;
    line-height: 1.4;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 12px;
    text-align: center;
}

/* Badges Bar Section */
.badges-bar-section {
    padding: 24px 0;
}

.badges-row {
    background-color: var(--poster-yellow);
    border: 3px solid var(--poster-blue);
    border-radius: 50px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 24%;
}

.badge-icon {
    font-size: 1.3rem;
    background: var(--poster-blue);
    color: #ffffff;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.badge-text {
    font-size: 0.75rem;
    font-weight: 900;
    color: var(--poster-blue-dark);
    line-height: 1.2;
    text-transform: uppercase;
}

/* Practical & CTA Section */
.practical-cta-section {
    padding: 40px 0;
}

.practical-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

/* Video & QR Block */
.promo-video-block {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.promo-video-block h3 {
    margin-bottom: 4px;
}

.video-sub {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-muted);
    margin-bottom: 24px;
    text-transform: uppercase;
}

.video-preview-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.video-play-btn {
    flex: 1;
    background: linear-gradient(135deg, var(--poster-blue) 0%, #00225c 100%);
    color: #ffffff;
    text-decoration: none;
    padding: 24px;
    border-radius: var(--border-radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    box-shadow: 0 4px 10px rgba(0, 63, 163, 0.2);
}

.video-play-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 63, 163, 0.35);
}

.play-icon {
    font-size: 2rem;
    color: var(--poster-yellow);
}

.qr-code-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.qr-mock {
    width: 80px;
    height: 80px;
    border: 2px solid var(--poster-blue);
    border-radius: 4px;
    padding: 6px;
    position: relative;
}

.qr-square {
    width: 20px;
    height: 20px;
    border: 4px solid var(--poster-blue);
    position: absolute;
    top: 6px;
    left: 6px;
}

.qr-square.border-tr {
    left: auto;
    right: 6px;
}

.qr-square.border-bl {
    top: auto;
    bottom: 6px;
}

.qr-square.dot-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background-color: var(--poster-blue);
    border: none;
}

.qr-label {
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--poster-blue);
}

/* Specs list & Blue Bubble Block */
.specs-bubble-block {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.specs-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.specs-card h4 {
    margin-bottom: 16px;
    border-bottom: 2px solid var(--poster-yellow);
    padding-bottom: 8px;
}

.star-list {
    list-style: none;
}

.star-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 0.95rem;
}

.star-list li::before {
    content: "★";
    position: absolute;
    left: 0;
    color: var(--poster-yellow);
    font-size: 1.1rem;
}

.star-list li:last-child {
    margin-bottom: 0;
}

/* Blue speech bubble */
.blue-bubble {
    background-color: var(--poster-blue);
    color: #ffffff;
    border-radius: 30px;
    padding: 24px;
    position: relative;
    box-shadow: 0 6px 12px rgba(0, 63, 163, 0.1);
    text-align: center;
}

.bubble-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 0;
    line-height: 1.3;
}

.bubble-tail {
    position: absolute;
    bottom: -12px;
    right: 60px;
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 15px solid var(--poster-blue);
}

.inspiring-lead {
    margin-top: 32px;
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--poster-blue-dark);
}

/* Poster Preview download section */
.poster-download-section {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 50px 0;
}

.poster-download-section h3 {
    margin-bottom: 8px;
}

.poster-preview-card {
    max-width: 420px;
    margin: 24px auto 0 auto;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 16px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.workshop-poster-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    margin-bottom: 16px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.download-btn {
    display: block;
    width: 100%;
    background-color: var(--poster-yellow);
    color: var(--poster-blue-dark);
    text-decoration: none;
    text-align: center;
    padding: 12px;
    border-radius: var(--border-radius-md);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: background-color var(--transition-speed);
}

.download-btn:hover {
    background-color: var(--poster-yellow-hover);
}

/* Contact / Booking section */
.contact-section {
    padding: 60px 0 80px 0;
    background-color: var(--bg-gray);
}

.contact-header {
    margin-bottom: 32px;
}

.contact-header h2 {
    margin-bottom: 8px;
}

.premium-form {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: 0 6px 12px rgba(0,0,0,0.02);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--poster-blue);
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 10px 14px;
    color: var(--text-dark);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition-speed);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--poster-blue);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23003fa3' viewBox='0 0 16 16'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    background-color: var(--poster-blue);
    color: #ffffff;
    border: none;
    padding: 14px;
    font-size: 0.95rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.submit-btn:hover {
    background-color: var(--poster-blue-dark);
    transform: translateY(-1px);
}

/* Success Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 43, 112, 0.7);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: #ffffff;
    border: 3px solid var(--poster-blue);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    max-width: 480px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    transform: scale(0.9);
    transition: transform var(--transition-speed) ease;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-emoji {
    font-size: 3rem;
    margin-bottom: 16px;
}

.modal-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    border-bottom: none;
    padding-bottom: 0;
}

.modal-content p {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.modal-hint {
    font-size: 0.8rem !important;
    color: var(--poster-blue) !important;
    margin-bottom: 24px !important;
    font-weight: 700;
}

.modal-content .cta-button {
    width: 100%;
    background-color: var(--poster-yellow);
    color: var(--poster-blue-dark);
    border: none;
    padding: 10px;
    font-weight: 800;
    font-size: 0.9rem;
    text-transform: uppercase;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.modal-content .cta-button:hover {
    background-color: var(--poster-yellow-hover);
}

/* Footer */
.main-footer {
    background-color: var(--poster-blue-dark);
    color: rgba(255,255,255,0.8);
    padding: 30px 0;
    border-top: 3px solid var(--poster-yellow);
}

.footer-links {
    font-size: 0.85rem;
    margin-top: 8px;
}

.footer-links a {
    color: var(--poster-yellow);
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
    .flyer-grid {
        grid-template-columns: 1fr;
    }
    
    .practical-grid {
        grid-template-columns: 1fr;
    }
    
    .badges-row {
        flex-wrap: wrap;
        border-radius: var(--border-radius-lg);
        gap: 16px;
        justify-content: flex-start;
        padding: 24px;
    }
    
    .badge-item {
        max-width: 45%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: #ffffff;
        padding: 32px 24px;
        gap: 20px;
        z-index: 999;
        border-top: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        font-size: 1.1rem;
        width: 100%;
        text-align: center;
    }
    
    .nav-links .cta-nav-btn {
        width: 100%;
        border-radius: var(--border-radius-md);
        padding: 12px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    /* Hamburger toggle styling */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
}

@media (max-width: 580px) {
    .badges-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .badge-item {
        max-width: 100%;
    }
    
    .video-preview-wrapper {
        flex-direction: column;
        gap: 24px;
    }
    
    .video-play-btn {
        width: 100%;
    }
    
    .blue-bubble {
        border-radius: 20px;
    }
    
    .bubble-text {
        font-size: 1.1rem;
    }
}