/* =================================================================
   Modern CSS for Your Video Site
   ================================================================= */

/* 1. Google Fonts & CSS Variables (Theme)
   ----------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #00aaff;
    --primary-hover-color: #0088cc;
    --background-color: #121826;
    --surface-color: #1a2233;
    --surface-light-color: #2a344a;
    --text-color: #f0f0f0;
    --text-muted-color: #8899a6;
    --danger-color: #ff4444;
    --success-color: #00c851;
    --warning-color: #ffbb33;

    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    --transition-speed: 0.3s ease;
}

/* 2. Base & Reset Styles
   ----------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.wrapper {
    flex: 1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--primary-hover-color);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4 {
    line-height: 1.3;
    margin-bottom: 1rem;
    font-weight: 600;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

/* 3. Header & Navigation
   ----------------------------------------------------------------- */
.header {
    background-color: var(--surface-color);
    box-shadow: var(--box-shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.navbar-brand:hover {
    color: var(--primary-color);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    list-style: none;
}

.nav-link, .dropbtn {
    color: var(--text-muted-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
}

.nav-link:hover, .dropbtn:hover {
    background-color: var(--surface-light-color);
    color: var(--text-color);
}

.btn-cta {
    background-color: var(--warning-color);
    color: #111;
    font-weight: 600;
}
.btn-cta:hover {
    background-color: #ffc966;
    color: #111;
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    background-color: var(--surface-light-color);
    min-width: 160px;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius-md);
    z-index: 1;
    overflow: hidden;
}

.dropdown-content a {
    color: var(--text-muted-color);
    padding: 12px 16px;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {
    background-color: var(--primary-color);
    color: var(--text-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* 4. Main Content Sections
   ----------------------------------------------------------------- */
.content-section {
    padding: 4rem 0;
    text-align: center;
}

.hero-section {
    padding: 5rem 0;
    text-align: center;
}

.hero-section .title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--primary-color), var(--warning-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-section .slogan {
    font-size: 1.2rem;
    color: var(--text-muted-color);
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
}

/* Search Form */
.search-form-container {
    max-width: 800px;
    margin: 0 auto;
}
.search-form {
    display: flex;
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    background-color: var(--surface-color);
}
.search-input {
    flex-grow: 1;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    background-color: var(--surface-color);
    color: var(--text-color);
}
.search-input:focus {
    outline: none;
    background-color: var(--surface-light-color);
}
.search-button {
    border: none;
    /*background-color: var(--primary-color);*/
    background-color: var(--warning-color);
    color: #111;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}
.search-button:hover {
    /*background-color: var(--primary-hover-color);*/
    background-color: #ffc966;
}

/* 5. Feature Cards
   ----------------------------------------------------------------- */
.features-section {
    background-color: var(--surface-color);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}
.feature-card {
    background-color: var(--surface-light-color);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}
.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 170, 255, 0.2);
}
.feature-card .icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}
.feature-card h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}
.feature-card p {
    color: var(--text-muted-color);
}

/* 6. Text & How-To Section
   ----------------------------------------------------------------- */
.text-section {
    padding: 4rem 0;
}
.text-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}
.text-content h2, .text-content h3 {
    text-align: center;
    margin-bottom: 2rem;
}
.text-content p, .text-content li {
    color: var(--text-muted-color);
    margin-bottom: 1rem;
}
.text-content ol {
    list-style-position: inside;
    padding-left: 1rem;
}

/* 7. Search Results & Download Page
   ----------------------------------------------------------------- */
.page-title {
    margin-bottom: 3rem;
}
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}
.video-card {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed);
    display: flex;
    flex-direction: column;
}
.video-card:hover {
    transform: translateY(-5px);
}
.video-card-thumbnail {
    position: relative;
}
.video-card-thumbnail img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.video-card-content {
    padding: 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.video-card-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    flex-grow: 1;
}
.video-card-content a {
    color: var(--text-color);
}
.video-card-content a:hover {
    color: var(--primary-color);
}

/* Download Page Specifics */
.download {
    background-color: var(--primary-color);
    color: #fff;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: var(--border-radius-md);
    text-align: center;
    font-weight: 500;
}

.download-section {
    max-width: 900px;
    margin: 4rem auto;
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
}
.download-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    align-items: center;
}
.download-thumbnail img {
    border-radius: var(--border-radius-md);
}
.img-thumbnail {
    padding: 0.25rem;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    max-width: 100%;
    height: auto;
}
.download-details h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}
.download-actions h3 {
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--surface-light-color);
    padding-bottom: 0.5rem;
}
.download-buttons {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr 1fr;
}
.btn-download {
    display: block;
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-weight: 600;
    transition: transform var(--transition-speed);
}
.btn-download:hover {
    transform: scale(1.05);
}
.btn-download.mp4 {
    background-color: var(--danger-color);
    color: #fff;
}
.btn-download.mp3 {
    background-color: var(--success-color);
    color: #fff;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
}
.btn-page {
    background-color: var(--surface-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}
.btn-page:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* 8. Static Pages (Terms, Contact)
   ----------------------------------------------------------------- */
.static-page {
    max-width: 800px;
    margin: 4rem auto;
    background-color: var(--surface-color);
    padding: 3rem;
    border-radius: var(--border-radius-md);
    text-align: left;
}
.static-page h1 {
    text-align: center;
    margin-bottom: 2rem;
}
.static-page p, .static-page li {
    color: var(--text-muted-color);
}
.static-page ul {
    list-style: disc;
    padding-left: 2rem;
}

/* Contact Form */
.contact-form {
    display: grid;
    gap: 1.5rem;
}
.form-group {
    display: flex;
    flex-direction: column;
}
.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.form-control {
    background-color: var(--surface-light-color);
    border: 1px solid transparent;
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-color);
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}
.btn-submit {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
}
.btn-submit:hover {
    background-color: var(--primary-hover-color);
}

/* 9. Footer
   ----------------------------------------------------------------- */
.footer {
    background-color: var(--surface-color);
    color: var(--text-muted-color);
    padding: 3rem 0;
    margin-top: auto;
    text-align: center;
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    list-style: none;
    margin-bottom: 1.5rem;
}
.footer-links a {
    color: var(--text-muted-color);
}
.footer-copyright {
    font-size: 0.9rem;
}
.footer-copyright a {
    color: var(--text-color);
    font-weight: 500;
}

/* 10. Utility & Miscellaneous
    ----------------------------------------------------------------- */
.alert {
    padding: 1rem;
    margin: 1rem 0;
    border-radius: var(--border-radius-md);
    text-align: center;
}
.alert-warning {
    background-color: var(--warning-color);
    color: #111;
}
.alert-danger {
    background-color: var(--danger-color);
    color: #fff;
}
#spinner1, #spinner2 {
    border: 5px solid var(--surface-light-color);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1.5s linear infinite;
    margin: 2rem auto;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 11. Responsive Design
    ----------------------------------------------------------------- */
@media (max-width: 992px) {
    .download-layout {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .download-thumbnail {
        max-width: 480px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    .hero-section .title { font-size: 2.5rem; }
    
    .navbar-nav { display: none; /* Simplificando para o exemplo, idealmente seria um menu hamburguer */ }
    
    .search-form {
        flex-direction: column;
    }
    .search-button {
        border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
    }
    .download-buttons {
        grid-template-columns: 1fr;
    }
    .static-page {
        padding: 1.5rem;
    }
}