.header { background: var(--color-white); box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); position: sticky; top: 0; z-index: 1000; }
.nav { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; }
.logo a { font-size: 1.5rem; font-weight: 700; text-decoration: none; color: #5c4033; letter-spacing: -0.5px; }
.nav-toggle { display: none; flex-direction: column; background: none; border: none; cursor: pointer; padding: 5px; z-index: 1300; }
.nav-toggle span { width: 25px; height: 2px; background: #5c4033; margin: 3px 0; transition: var(--transition); display: block; }
.nav-toggle.hidden { display: none !important; }
.nav-menu { display: flex; list-style: none; gap: 2rem; }
.nav-link { text-decoration: none; color: #5c4033; font-weight: 400; transition: var(--transition); position: relative; }
.nav-link::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: #5c4033; transition: var(--transition); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover, .nav-link.active { color: #5c4033; }

.footer { background: var(--color-black); color: var(--color-white); padding: 3rem 0; margin-top: auto; }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 2rem; }
.footer-social { display: flex; gap: 1.5rem; }
.footer-social a { color: var(--color-white); transition: var(--transition); }
.footer-social a:hover { transform: translateY(-3px); opacity: 0.8; }
.footer-social svg { fill: currentColor; }
.footer-info { text-align: right; }
.footer-info p { margin: 0.25rem 0; font-size: 0.9rem; }

.btn-primary { display: inline-flex; align-items: center; justify-content: center; padding: 15px 40px; background: var(--color-black); color: var(--color-white); text-decoration: none; transition: var(--transition); font-weight: 500; letter-spacing: 0.5px; }
.btn-primary:hover { background: var(--color-dark-gray); transform: translateY(-2px); }
.btn-secondary { display: inline-flex; align-items: center; justify-content: center; padding: 12px 30px; background: var(--color-gray); color: var(--color-black); text-decoration: none; border: 1px solid #ddd; transition: var(--transition); font-weight: 500; }
.btn-secondary:hover { background: #e0e0e0; transform: translateY(-2px); }
.btn-block { display: flex; justify-content: center; width: 100%; font-size: 1rem; }
.btn-modal { padding: 12px 20px; background: rgba(255, 255, 255, 0.1); color: var(--color-white); border: 1px solid rgba(255, 255, 255, 0.3); cursor: pointer; transition: var(--transition); text-decoration: none; display: inline-flex; align-items: center; justify-content: center; text-align: center; font-size: 0.9rem; border-radius: 4px; width: 100%; }
.btn-modal:hover { background: rgba(255, 255, 255, 0.2); border-color: rgba(255, 255, 255, 0.5); }
.btn-modal:active { transform: translateY(1px); }
.btn-modal:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-modal:disabled:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.3); transform: none; }
.btn-modal.full-quality-loaded { color: #00ff00; border-color: rgba(0, 255, 0, 0.5); }
.btn-modal.full-quality-loaded:hover { background: rgba(0, 255, 0, 0.1); border-color: rgba(0, 255, 0, 0.7); }

.password-form { max-width: 400px; margin: 3rem auto; padding: 2rem; background: var(--color-gray); }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; }
.form-group input { width: 100%; padding: 12px; border: 1px solid #ddd; font-size: 1rem; transition: var(--transition); }
.form-group input:focus { outline: none; border-color: var(--color-black); }