/* --- CSS Variables for Theming --- */
:root {
    --color-primary: #3f51b5; /* Indigo */
    --color-secondary: #ff4081; /* Pink accent */
    --color-background: #eef2f7; /* Lighter, modern background */
    --color-card-bg: #ffffff;
    --color-text-dark: #343a40; /* Darker text */
    --color-text-light: #6c757d; /* Muted text */
    --color-border: #dee2e6; /* Light border */
    --color-star: #ffc107; /* Amber for stars */
    --color-progress: #28a745; /* Green for progress bar */

    /* New: Header and Footer specific colors */
    --color-header-bg: #212529; /* Dark header background */
    --color-footer-bg: #212529; /* Dark footer background */
    --color-footer-text-light: #f8f9fa; /* Light text for footer */
    --color-footer-text-muted: #adb5bd; /* Muted text for footer */

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
    --font-testimonial: 'Merriweather', serif;

    --transition-speed-fast: 0.2s ease-in-out;
    --transition-speed-normal: 0.4s ease-in-out;
    --transition-speed-slow: 0.6s ease-in-out;
    --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.12);
}

body {
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    background-color: var(--color-background);
    color: var(--color-text-dark);
    line-height: 1.6;
    display: flex; /* Flexbox for full page layout */
    flex-direction: column; /* Stack header, main, footer vertically */
    min-height: 100vh; /* Ensure body takes full viewport height */
    box-sizing: border-box;
}

/* --- Global Header --- */
.site-header {
    background-color: var(--color-header-bg);
    color: var(--color-footer-text-light);
    padding: 15px 0;
    box-shadow: var(--shadow-medium);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-brand a {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-footer-text-light);
    text-decoration: none;
    transition: color var(--transition-speed-fast);
}

.site-brand a:hover {
    color: var(--color-secondary);
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 30px;
}

.main-nav a {
    color: var(--color-footer-text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.05rem;
    position: relative;
    padding-bottom: 5px; /* Space for underline */
    transition: color var(--transition-speed-fast);
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-speed-fast);
}

.main-nav a:hover {
    color: var(--color-secondary);
}

.main-nav a:hover::after {
    width: 100%;
}

/* --- Main Content Area --- */
.main-content {
    flex-grow: 1; /* Allows main content to fill available space */
    padding: 40px 20px; /* Padding for the main content area */
    display: flex;
    justify-content: center; /* Center the testimonial carousel */
    align-items: flex-start; /* Align to top within main */
}

/* --- Section Title (Testimonial Specific) --- */
.section-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.8rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--color-secondary);
    border-radius: 2px;
}

/* --- Testimonial Carousel (existing styles from previous round) --- */
.testimonial-carousel {
    max-width: 900px;
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 auto;
    padding: 30px;
    background-color: var(--color-card-bg);
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
}

.testimonial-display-wrapper {
    position: relative;
    width: 100%;
    min-height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1200px;
    margin-bottom: 30px;
}

.testimonial-card {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    box-shadow: none;
    padding: 40px;
    text-align: center;
    width: 90%;
    max-width: 700px;
    position: absolute;
    opacity: 0;
    transform: scale(0.9) translateY(20px);
    transition: opacity var(--transition-speed-normal), transform var(--transition-speed-normal);
    box-sizing: border-box;

    transform-style: preserve-3d;
    backface-visibility: hidden;
    min-height: 280px;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    border: 1px solid var(--color-border);
}

.testimonial-card.active {
    opacity: 1;
    transform: scale(1) translateY(0);
    z-index: 1;
    transition-delay: 0.1s;
}

.testimonial-card.prev-active {
    opacity: 0;
    transform: scale(0.8) translateY(-30px);
    transition-delay: 0s;
}

.testimonial-card.next-active {
    opacity: 0;
    transform: scale(0.8) translateY(30px);
    transition-delay: 0s;
}

.testimonial-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid var(--color-primary);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.testimonial-rating {
    margin-bottom: 18px;
    color: var(--color-star);
    font-size: 1.3rem;
}
.testimonial-rating.star {
    margin: 0 2px;
}

.testimonial-text {
    font-family: var(--font-testimonial);
    font-style: italic;
    font-size: 1.25rem;
    color: var(--color-text-dark);
    margin-bottom: 20px;
    quotes: "“" "”" "‘" "’";
    line-height: 1.7;
}
.testimonial-text::before,.testimonial-text::after {
    color: var(--color-secondary);
    font-size: 1.8em;
    line-height: 0.1;
    vertical-align: -0.4em;
    opacity: 0.7;
}
.testimonial-text::before { margin-right: 5px; }
.testimonial-text::after { margin-left: 5px; }

.testimonial-author {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin: 0;
}

.testimonial-flip-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 40px;
    box-sizing: border-box;
    backface-visibility: hidden;
    transform: rotateY(180deg);
    background-color: var(--color-card-bg);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--color-border);
}

.testimonial-card.active.flipped.testimonial-content {
    transform: rotateY(180deg);
}
.testimonial-card.active.flipped.testimonial-flip-content {
    transform: rotateY(0deg);
}

.testimonial-controls-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 500px;
    margin-top: 20px;
}

.center-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.control-button {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: var(--shadow-light);
    transition: background-color var(--transition-speed-fast), transform var(--transition-speed-fast), box-shadow var(--transition-speed-fast);
    outline: none;
}

.control-button svg {
    width: 26px;
    height: 26px;
    stroke: var(--color-card-bg);
}

.control-button:hover {
    background-color: var(--color-secondary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}
.control-button:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-light);
}
.control-button:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 4px;
}

.testimonial-dots-container {
    display: flex;
    gap: 10px;
}

.testimonial-dot {
    background-color: var(--color-border);
    border: none;
    border-radius: 50%;
    width: 12px;
    height: 12px;
    cursor: pointer;
    transition: background-color var(--transition-speed-fast), transform var(--transition-speed-fast);
    outline: none;
}

.testimonial-dot.active {
    background-color: var(--color-primary);
    transform: scale(1.3);
}
.testimonial-dot:hover:not(.active) {
    background-color: var(--color-primary);
    transform: scale(1.15);
}
.testimonial-dot:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 3px;
}

.play-pause-button {
    background-color: var(--color-text-light);
    color: var(--color-card-bg);
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: var(--shadow-light);
    transition: background-color var(--transition-speed-fast), transform var(--transition-speed-fast);
    outline: none;
}

.play-pause-button:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
}
.play-pause-button:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 3px;
}

.play-pause-button svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
    transition: opacity var(--transition-speed-fast);
}

.play-pause-button[data-playing="true"].icon-play { opacity: 0; position: absolute; }
.play-pause-button[data-playing="false"].icon-pause { opacity: 0; position: absolute; }
.play-pause-button[data-playing="true"].icon-pause { opacity: 1; }
.play-pause-button[data-playing="false"].icon-play { opacity: 1; }

@keyframes progress-animation {
    from { width: 0%; }
    to { width: 100%; }
}

.autoplay-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background-color: var(--color-progress);
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    transform-origin: left center;
    transition: width linear;
    z-index: 10;
}

.autoplay-progress-bar.active {
    animation-name: progress-animation;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
}
.autoplay-progress-bar.paused {
    animation-play-state: paused;
}

/* --- Global Footer --- */
.site-footer {
    background-color: var(--color-footer-bg);
    color: var(--color-footer-text-muted);
    padding: 40px 20px;
    font-size: 0.95rem;
    box-shadow: var(--shadow-medium);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-brand.site-brand a { /* Re-use site-brand styling */
    color: var(--color-footer-text-light);
    font-size: 1.6rem;
    display: inline-block;
    margin-bottom: 5px;
}

.footer-brand.tagline {
    font-style: italic;
    font-size: 0.9em;
    color: var(--color-footer-text-muted);
    margin-top: 0;
}

.site-footer h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-footer-text-light);
    margin-bottom: 15px;
    font-weight: 600;
}

.site-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-footer ul li {
    margin-bottom: 8px;
}

.site-footer a {
    color: var(--color-footer-text-muted);
    text-decoration: none;
    transition: color var(--transition-speed-fast);
}

.site-footer a:hover {
    color: var(--color-secondary);
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.social-icons a {
    color: var(--color-footer-text-light);
    transition: color var(--transition-speed-fast), transform var(--transition-speed-fast);
}

.social-icons a:hover {
    color: var(--color-secondary);
    transform: translateY(-3px);
}

.social-icons svg {
    width: 22px;
    height: 22px;
    vertical-align: middle;
}

.footer-contact p {
    margin: 5px 0;
}

.footer-bottom {
    grid-column: 1 / -1; /* Spans all columns */
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 30px;
    padding-top: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.footer-bottom.copyright {
    margin: 0;
    color: var(--color-footer-text-muted);
}

.footer-bottom.privacy-terms a {
    color: var(--color-footer-text-muted);
    margin: 0 10px;
}
.footer-bottom.privacy-terms.separator {
    color: var(--color-footer-text-muted);
    opacity: 0.5;
}

/* --- Responsive Adjustments --- */
@media (max-width: 992px) { /* Adjust breakpoint for header/footer too */
 .site-header.header-container {
        flex-direction: column;
        gap: 15px;
    }
 .site-header.main-nav ul {
        gap: 20px;
    }
 .main-content {
        padding: 30px 15px;
    }
 .testimonial-carousel {
        padding: 25px;
    }
 .testimonial-card {
        padding: 30px;
        min-height: 250px;
    }
 .testimonial-text {
        font-size: 1.15rem;
    }
 .site-footer.footer-container {
        grid-template-columns: 1fr; /* Stack columns */
        text-align: center;
    }
 .footer-brand.site-brand a {
        font-size: 1.5rem;
    }
 .footer-nav ul,.social-icons {
        justify-content: center; /* Center footer lists */
    }
 .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }
 .footer-bottom.privacy-terms {
        margin-top: 10px;
    }
}

@media (max-width: 768px) {
 .section-title {
        font-size: 2.2rem;
        margin-bottom: 40px;
    }
 .testimonial-display-wrapper {
        min-height: 300px;
        margin-bottom: 25px;
    }
 .testimonial-card {
        padding: 30px;
        min-height: 240px;
    }
 .testimonial-avatar {
        width: 80px;
        height: 80px;
        margin-bottom: 15px;
    }
 .testimonial-rating {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
 .testimonial-text {
        font-size: 1.05rem;
        margin-bottom: 15px;
    }
 .testimonial-author {
        font-size: 0.95rem;
    }
 .testimonial-controls-area {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
 .center-controls {
        flex-direction: row;
        gap: 20px;
        order: 3;
        width: 100%;
        justify-content: center;
    }
 .play-pause-button {
        margin-top: 0;
    }
 .site-header.site-brand a {
        font-size: 1.6rem;
    }
 .site-header.main-nav ul {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
 .site-header.main-nav a {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
 .site-header.site-brand a {
        font-size: 1.4rem;
    }
 .site-header.main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
 .section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
 .testimonial-carousel {
        padding: 15px;
    }
 .testimonial-display-wrapper {
        min-height: 280px;
    }
 .testimonial-card {
        padding: 20px;
        min-height: 200px;
    }
 .testimonial-avatar {
        width: 70px;
        height: 70px;
    }
 .testimonial-text {
        font-size: 0.95rem;
        margin-bottom: 12px;
    }
 .testimonial-text::before,.testimonial-text::after {
        font-size: 1.5em;
        vertical-align: -0.3em;
    }
 .testimonial-author {
        font-size: 0.85rem;
    }
 .control-button {
        width: 40px;
        height: 40px;
    }
 .control-button svg {
        width: 20px;
        height: 20px;
    }
 .testimonial-dots-container {
        gap: 8px;
    }
 .testimonial-dot {
        width: 10px;
        height: 10px;
    }
 .play-pause-button {
        width: 38px;
        height: 38px;
    }
 .play-pause-button svg {
        width: 18px;
        height: 18px;
    }
}