/* Reset & Base Styles */
:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --primary-light: #4895ef;
    --secondary: #7209b7;
    --accent: #f72585;
    --success: #4cc9f0;
    --danger: #f94144;
    --warning: #f8961e;
    --dark: #1a1a2e;
    --dark-light: #2d3047;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --gray-dark: #495057;
    --border-radius: 12px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Navigation */
.top-nav {
    background: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand .brand-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark);
    gap: 0.75rem;
}

.brand-icon {
    font-size: 1.8rem;
    color: var(--primary);
}

.brand-name {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-divider {
    color: var(--gray);
    margin: 0 0.5rem;
}

.brand-tool {
    font-weight: 600;
    color: var(--gray-dark);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--gray-dark);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--gray-light);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(67, 97, 238, 0.1);
}

.nav-link i {
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" preserveAspectRatio="none"><path d="M0,50 Q250,0 500,50 T1000,50 L1000,100 L0,100 Z" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 100% 100px;
    background-position: bottom;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.title-highlight {
    display: block;
    background: white;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    display: block;
    font-size: 2.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    opacity: 0.95;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
}

.badge i {
    font-size: 0.8rem;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-circle {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.visual-icon {
    font-size: 8rem;
    color: white;
    opacity: 0.8;
}

.platform-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.platform-icons i {
    position: absolute;
    font-size: 2rem;
    color: white;
    opacity: 0.7;
    animation: spin 20s linear infinite;
}

.platform-icons i:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}
.platform-icons i:nth-child(2) {
    top: 10%;
    right: 20%;
    animation-delay: -4s;
}
.platform-icons i:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: -8s;
}
.platform-icons i:nth-child(4) {
    bottom: 10%;
    right: 10%;
    animation-delay: -12s;
}
.platform-icons i:nth-child(5) {
    top: 50%;
    right: 5%;
    animation-delay: -16s;
}

@keyframes spin {
    0% { transform: rotate(0deg) translateX(60px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(60px) rotate(-360deg); }
}

/* Main Container */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Download Box */
.download-box {
    background: white;
    border-radius: var(--border-radius);
    padding: 3rem;
    margin: -3rem auto 3rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
}

.box-header {
    text-align: center;
    margin-bottom: 2rem;
}

.box-header h2 {
    font-size: 2.2rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.box-header p {
    color: var(--gray);
    font-size: 1.1rem;
}

.download-form .form-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.input-with-icon {
    flex: 1;
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: 1.2rem;
}

.download-form input {
    width: 100%;
    padding: 1.2rem 1.2rem 1.2rem 3.5rem;
    font-size: 1.1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
    background: white;
}

.download-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.download-form input::placeholder {
    color: var(--gray);
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    padding: 0 2.5rem;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    white-space: nowrap;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.3);
}

.form-hint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.form-hint i {
    color: var(--warning);
}

/* Quick Platforms */
.quick-platforms {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-light);
}

.quick-platforms p {
    color: var(--gray);
    margin-bottom: 1rem;
    text-align: center;
}

.platform-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.platform-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    background: white;
    color: var(--dark);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.platform-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.platform-btn.facebook:hover {
    border-color: #1877f2;
    color: #1877f2;
}
.platform-btn.tiktok:hover {
    border-color: #000000;
    color: #000000;
}
.platform-btn.instagram:hover {
    border-color: #e4405f;
    color: #e4405f;
}
.platform-btn.youtube:hover {
    border-color: #ff0000;
    color: #ff0000;
}

/* Loading State */
.loading-state {
    display: none;
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

.spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 8px solid transparent;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-state p {
    font-size: 1.2rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.loading-sub {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Error State */
.error-state {
    display: none;
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--danger);
}

.error-icon {
    font-size: 3rem;
    color: var(--danger);
    margin-bottom: 1rem;
}

.error-content h3 {
    color: var(--danger);
    margin-bottom: 0.5rem;
}

.error-content p {
    color: var(--gray-dark);
    margin-bottom: 1.5rem;
}

.retry-btn {
    background: var(--danger);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.retry-btn:hover {
    background: #d13438;
    transform: translateY(-2px);
}

/* Results Section */
.results-section {
    display: none;
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-light);
}

.results-header h2 {
    font-size: 1.8rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.action-btn {
    background: var(--gray-light);
    color: var(--gray-dark);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--primary);
    color: white;
}

/* Video Info Card */
.video-info-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--gray-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.video-thumb {
    width: 100px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
}

.video-details h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.video-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.video-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
}

.video-meta i {
    color: var(--primary);
}

.video-meta strong {
    color: var(--dark);
}

/* Quality Grid */
.quality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.quality-card {
    background: white;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.quality-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.quality-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.quality-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.quality-badge {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
}

.quality-size {
    color: var(--gray);
    font-size: 0.9rem;
}

.quality-details {
    margin-bottom: 1.5rem;
}

.quality-details p {
    margin-bottom: 0.5rem;
    color: var(--gray-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quality-details i {
    color: var(--primary);
    width: 20px;
}

.download-link {
    display: block;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.download-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

/* Settings Box */
.settings-box {
    background: var(--gray-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-top: 2rem;
}

.settings-box h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.setting {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.setting label {
    color: var(--gray-dark);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.setting input,
.setting select {
    padding: 0.8rem 1rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: white;
    transition: var(--transition);
}

.setting input:focus,
.setting select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Instructions Section */
.instructions-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    margin: 3rem 0;
    text-align: center;
    box-shadow: var(--shadow);
}

.instructions-section h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.step-content p {
    color: var(--gray);
}

/* Platforms Section */
.platforms-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    margin: 3rem 0;
    text-align: center;
    box-shadow: var(--shadow);
}

.platforms-section h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.section-subtitle {
    color: var(--gray);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.platform-item {
    background: white;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
}

.platform-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.platform-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.platform-name {
    font-weight: 600;
    color: var(--dark);
}

.platforms-footer {
    padding-top: 2rem;
    border-top: 2px solid var(--gray-light);
}

.platforms-footer p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.view-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.view-all-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

/* About Section */
.about-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    margin: 3rem 0;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.about-content > p {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 800px;
    opacity: 0.95;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.feature:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.feature i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.feature p {
    opacity: 0.8;
    font-size: 0.95rem;
}

/* Tools CTA */
.tools-cta {
    background: white;
    border-radius: var(--border-radius);
    padding: 4rem 2rem;
    margin: 3rem 0;
    text-align: center;
    box-shadow: var(--shadow);
    border: 2px dashed var(--gray-light);
}

.tools-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.tools-cta p {
    color: var(--gray);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 1.2rem 2.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(67, 97, 238, 0.4);
}

/* Footer */
.main-footer {
    background: var(--dark);
    color: white;
    margin-top: 4rem;
}

.footer-top {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    color: var(--primary-light);
}

.footer-tagline {
    color: var(--gray-light);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.link-group h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 0.8rem;
}

.link-group a {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--primary-light);
    padding-left: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    text-align: center;
}

.copyright {
    color: var(--gray-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.copyright a {
    color: var(--primary-light);
    text-decoration: none;
}

.copyright a:hover {
    text-decoration: underline;
}

.disclaimer {
    color: var(--gray);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer i {
    color: var(--warning);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .title-sub {
        font-size: 2rem;
    }
    
    .download-form .form-group {
        flex-direction: column;
    }
    
    .submit-btn {
        width: 100%;
        justify-content: center;
    }
    
    .quality-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .main-container,
    .download-box {
        padding: 1.5rem;
    }
    
    .hero {
        padding: 3rem 1rem;
    }
    
    .visual-circle {
        width: 200px;
        height: 200px;
    }
    
    .visual-icon {
        font-size: 5rem;
    }
    
    .platform-buttons {
        flex-direction: column;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
}