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

:root {
    --maroon: #800020;
    --maroon-dark: #5a0016;
    --maroon-light: #a0002a;
    --yellow: #FFD700;
    --yellow-light: #FFE44D;
    --white: #FFFFFF;
    --gray-light: #F5F5F5;
    --gray: #E0E0E0;
    --text-dark: #333333;
    --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
    min-height: 100vh;
}

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

/* Header Styles */
.header {
    position: relative;
    background: url('images/bg.png') center center / cover repeat;
    background-color: var(--maroon);
    color: var(--white);
    padding: 0.75rem 0;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.header-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(128, 0, 32, 0.3);
    opacity: 0.7;
    animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 0.8; }
}

.header-content {
    position: relative;
    z-index: 1;
}

.logo-wrapper {
    display: inline-block;
    margin-bottom: 0.25rem;
    position: relative;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
    display: inline-block;
    letter-spacing: 1.5px;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--white) 0%, var(--yellow-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    position: relative;
    animation: fadeInDown 0.8s ease-out;
}

.logo-main {
    display: inline-block;
}

.logo-accent {
    display: inline-block;
    color: var(--yellow);
    -webkit-text-fill-color: var(--yellow);
    position: relative;
}

.logo-underline {
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--yellow), transparent);
    border-radius: 2px;
    animation: expandLine 1s ease-out 0.5s both;
}

@keyframes expandLine {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 60%;
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subtitle {
    font-size: 1rem;
    font-weight: 500;
    margin: 0.4rem 0 0.25rem;
    color: var(--yellow-light);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.subtitle-icon {
    font-size: 1.2rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tagline {
    font-size: 0.8rem;
    font-weight: 300;
    opacity: 0.85;
    letter-spacing: 0.5px;
    margin-top: 0.15rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Main Content */
.main-content {
    padding: 2rem 0;
}

/* Tabs Container */
.tabs-container {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 8px 24px var(--shadow);
    overflow: hidden;
}

.tabs-nav {
    display: flex;
    background: var(--gray-light);
    border-bottom: 3px solid var(--maroon);
    gap: 0;
}

.tab-button {
    flex: 1;
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.3s ease;
    position: relative;
    outline: none;
}

.tab-button:hover {
    background: rgba(128, 0, 32, 0.1);
    color: var(--maroon);
}

.tab-button.active {
    background: var(--white);
    color: var(--maroon);
    border-bottom-color: var(--maroon);
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--yellow);
    z-index: 1;
}

.tab-content {
    display: none;
    padding: 2rem;
    animation: fadeIn 0.4s ease-in;
}

.tab-content.active {
    display: block;
}

/* Poster Section */
.poster-section {
    margin-bottom: 0;
}

.poster-container {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 8px 24px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.poster-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(128, 0, 32, 0.2);
}

.poster-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    box-shadow: 0 4px 12px var(--shadow);
}

/* PDF Section */
.pdf-section {
    margin-bottom: 0;
}

.pdf-container {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 8px 24px var(--shadow);
    overflow: auto;
    position: relative;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.pdf-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
    color: var(--maroon);
}

.spinner {
    border: 4px solid var(--gray);
    border-top: 4px solid var(--maroon);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.pdf-viewer {
    width: 100%;
    height: 800px;
    min-height: 600px;
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow);
    opacity: 0;
    transition: opacity 0.3s ease;
    flex: 1;
    object-fit: contain;
}

.pdf-viewer.loaded {
    opacity: 1;
}

.pdf-fallback {
    text-align: center;
    margin-top: 1rem;
    padding: 1rem;
    background: var(--yellow-light);
    border-radius: 8px;
    border: 2px solid var(--yellow);
}

.pdf-link {
    color: var(--maroon);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    display: inline-block;
    border-radius: 6px;
    background: var(--white);
    box-shadow: 0 2px 4px var(--shadow);
}

.pdf-link:hover {
    color: var(--maroon-dark);
    background: var(--yellow);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--maroon-dark) 0%, var(--maroon) 100%);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

.footer p {
    margin-bottom: 0.5rem;
}

.footer-tags {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 300;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .header {
        padding: 0.6rem 0;
    }

    .logo {
        font-size: 1.5rem;
        letter-spacing: 1px;
    }

    .logo-wrapper {
        margin-bottom: 0.2rem;
    }

    .logo-underline {
        width: 50%;
        height: 2px;
        bottom: -4px;
    }

    .subtitle {
        font-size: 0.85rem;
        gap: 0.3rem;
        margin: 0.3rem 0 0.2rem;
    }

    .subtitle-icon {
        font-size: 0.9rem;
    }

    .tagline {
        font-size: 0.75rem;
        margin-top: 0.1rem;
    }

    .main-content {
        padding: 1.5rem 0;
    }

    .tabs-nav {
        flex-direction: row;
    }

    .tab-button {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .tab-content {
        padding: 1.5rem;
    }

    .poster-container,
    .pdf-container {
        padding: 1rem;
        border-radius: 8px;
    }

    .pdf-container {
        min-height: auto;
        padding: 0.75rem;
        overflow: auto;
        justify-content: center;
    }

    .pdf-viewer {
        height: 450px;
        min-height: 400px;
        max-height: 500px;
        transform: scale(0.85);
        transform-origin: top center;
        width: 117.65%; /* Compensate for scale(0.85) = 1/0.85 */
    }

    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0.5rem 0;
    }

    .logo {
        font-size: 1.25rem;
        letter-spacing: 0.5px;
    }

    .logo-wrapper {
        margin-bottom: 0.15rem;
    }

    .logo-underline {
        width: 40%;
        height: 2px;
        bottom: -3px;
    }

    .subtitle {
        font-size: 0.75rem;
        gap: 0.25rem;
        margin: 0.25rem 0 0.15rem;
    }

    .subtitle-icon {
        font-size: 0.8rem;
    }

    .tagline {
        font-size: 0.7rem;
        margin-top: 0.1rem;
    }

    .main-content {
        padding: 1rem 0;
    }

    .tab-button {
        padding: 0.6rem 0.75rem;
        font-size: 0.85rem;
    }

    .tab-content {
        padding: 1rem;
    }

    .pdf-container {
        min-height: auto;
        padding: 0.5rem;
        overflow: auto;
        justify-content: center;
    }

    .pdf-viewer {
        height: 350px;
        min-height: 300px;
        max-height: 400px;
        transform: scale(0.75);
        transform-origin: top center;
        width: 133.33%; /* Compensate for scale(0.75) = 1/0.75 */
    }

    .poster-container {
        padding: 0.75rem;
    }
}

/* Mobile Landscape Orientation */
@media (max-width: 768px) and (orientation: landscape) {
    .pdf-container {
        min-height: auto;
        padding: 0.5rem;
        overflow: auto;
        justify-content: center;
    }

    .pdf-viewer {
        height: 300px;
        min-height: 250px;
        max-height: 350px;
        transform: scale(0.7);
        transform-origin: top center;
        width: 142.86%; /* Compensate for scale(0.7) = 1/0.7 */
    }
}

/* Very Small Mobile Devices */
@media (max-width: 360px) {
    .pdf-container {
        min-height: auto;
        padding: 0.5rem;
        overflow: auto;
        justify-content: center;
    }

    .pdf-viewer {
        height: 300px;
        min-height: 250px;
        max-height: 350px;
        transform: scale(0.65);
        transform-origin: top center;
        width: 153.85%; /* Compensate for scale(0.65) = 1/0.65 */
    }
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tab content animations handled by JavaScript */

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Print Styles */
@media print {
    .header,
    .footer {
        background: var(--maroon);
    }

    .poster-container,
    .pdf-container {
        box-shadow: none;
        page-break-inside: avoid;
    }
}