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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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



/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1.25rem 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(226, 232, 240, 0.3);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #0088cc;
}

.nav-logo i {
    margin-right: 0.5rem;
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #0088cc;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: #1e293b;
    padding-top: 80px;
    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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #1e293b 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #0088cc 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}



/* Add subtle hover effects for better UX */
.btn:hover {
    transform: translateY(-2px);
    transition: all 0.3s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #64748b;
    line-height: 1.7;
    font-weight: 400;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.125rem 2.5rem;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn-primary {
    background: #0088cc;
    color: white;
    box-shadow: 0 10px 25px -3px rgba(0, 136, 204, 0.4), 0 4px 6px -2px rgba(0, 136, 204, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px -5px rgba(0, 136, 204, 0.5), 0 10px 20px -5px rgba(0, 136, 204, 0.3);
    background: #006699;
}

.btn-secondary {
    background: transparent;
    color: #0088cc;
    border: 2px solid #0088cc;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: #0088cc;
    color: white;
    border-color: #0088cc;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -3px rgba(0, 136, 204, 0.3);
}

.btn-outline {
    background: transparent;
    color: #0088cc;
    border: 2px solid #0088cc;
}

.btn-outline:hover {
    background: #0088cc;
    color: white;
}

/* Hero Video */
.hero-video {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    background: #000;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-container:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
    box-shadow: 0 35px 70px -15px rgba(0, 0, 0, 0.3);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.video-container:hover .video-overlay {
    opacity: 1;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0088cc;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.play-button:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Download Section */
.download-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download-section::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 0 100 100"><defs><pattern id="grid2" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid2)"/></svg>');
    opacity: 0.2;
    z-index: 1;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2.5rem;
    color: #1e293b;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 2;
}

/* Center titles for requested sections */
.how-it-works-section .section-title,
.how-to-use-section .section-title,
.faq-section .section-title,
.contact-section .section-title {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.rating-container {
    margin-bottom: 3rem;
}

.stars {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stars i {
    color: #ffd700;
    font-size: 1.5rem;
}

.rating-text {
    font-size: 1.1rem;
    color: #666;
}

.download-form {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.download-form p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    color: #666;
}

.email-form {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.email-form input {
    flex: 1;
    min-width: 300px;
    padding: 1.25rem 2rem;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.email-form input:focus {
    border-color: #0088cc;
    box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.1);
}

/* Download Progress Bar */
.download-progress {
    margin-top: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 136, 204, 0.2);
}

.progress-container {
    margin-bottom: 1rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(0, 136, 204, 0.2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4ade80, #22c55e);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.5);
}

.progress-text {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
}

.progress-percentage {
    font-weight: 600;
    color: #22c55e;
}

.download-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #666;
}

.download-status i {
    color: #22c55e;
}

/* Download button hover effect */
.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.download-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-description {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
}

.about-features {
    display: grid;
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.8);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(226, 232, 240, 0.5);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.15), 0 10px 20px -5px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 136, 204, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: #0088cc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3);
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
}

/* What is Section */
.what-is-section {
    padding: 5rem 0;
    background: #f8f9fa;
    color: #333;
    text-align: center;
}

.what-is-description {
    max-width: 800px;
    margin: 0 auto 2rem;
    font-size: 1.2rem;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* How It Works Section */
.how-it-works-section {
    padding: 5rem 0;
    background: white;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    position: relative;
    border: 1px solid rgba(226, 232, 240, 0.5);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.step-number {
    width: 60px;
    height: 60px;
    background: #0088cc;
    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;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3);
}

.step h3 {
    margin-bottom: 1rem;
    color: #333;
}

.step p {
    color: #666;
    line-height: 1.6;
}

/* How to Use Section */
.how-to-use-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.how-to-use-section::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 0 100 100"><defs><pattern id="grid3" width="25" height="25" patternUnits="userSpaceOnUse"><path d="M 25 0 L 0 0 0 25" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid3)"/></svg>');
    opacity: 0.2;
    z-index: 1;
}

.usage-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.usage-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #1e293b;
    font-weight: 700;
}

.usage-text p {
    font-size: 1.2rem;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.usage-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.usage-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    border: 1px solid rgba(226, 232, 240, 0.5);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.usage-step:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 136, 204, 0.3);
}

.step-icon {
    width: 50px;
    height: 50px;
    background: #0088cc;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3);
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.step-content p {
    font-size: 0.95rem;
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* Video Titles */
.video-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* Secondary Video Container */
.usage-video-left,
.usage-video-right {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.video-container-secondary {
    position: relative;
    width: 100%;
    max-width: 450px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.25);
    background: #000;
    transform: perspective(1000px) rotateY(5deg) rotateX(-5deg);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-container-secondary:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.3);
}

.video-wrapper-secondary {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: #000;
}

.video-wrapper-secondary iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-overlay-secondary {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.video-container-secondary:hover .video-overlay-secondary {
    opacity: 1;
}

.play-button-secondary {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0088cc;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.play-button-secondary:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* FAQ Section */
.faq-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.faq-section::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 0 100 100"><defs><pattern id="grid4" width="30" height="30" patternUnits="userSpaceOnUse"><path d="M 30 0 L 0 0 0 30" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid4)"/></svg>');
    opacity: 0.15;
    z-index: 1;
}

.faq-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.8);
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(226, 232, 240, 0.5);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 136, 204, 0.3);
}

.faq-item h3 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.faq-item p {
    color: #64748b;
    line-height: 1.7;
    margin: 0;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: #0088cc;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3);
}

.contact-item h4 {
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-item p {
    color: #666;
}

.contact-form h3 {
    margin-bottom: 2rem;
    color: #333;
}

.support-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    margin: 1rem 0;
    border: 1px solid rgba(0, 136, 204, 0.2);
}

.support-info p {
    margin-bottom: 0.5rem;
    color: #666;
}

.support-info p:last-child {
    margin-bottom: 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.25rem 1.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0088cc;
    box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.1);
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #0088cc;
}

.footer-logo i {
    margin-right: 0.5rem;
    font-size: 2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #0088cc;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #999;
}



/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 15% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: #999;
    transition: color 0.3s ease;
}

.close:hover {
    color: #333;
}

.modal-content h2 {
    margin-bottom: 1rem;
    color: #333;
}

.modal-content p {
    margin-bottom: 2rem;
    color: #666;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-form input {
    padding: 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.modal-form input:focus {
    border-color: #0088cc;
    box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
        border-top: 1px solid rgba(226, 232, 240, 0.3);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .video-container {
        transform: none;
        max-width: 100%;
    }

    .video-container:hover {
        transform: none;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .usage-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .usage-video-left {
        order: 1;
    }

    .usage-video-right {
        order: 2;
    }

    .video-container-secondary {
        transform: none;
        max-width: 100%;
    }

    .video-container-secondary:hover {
        transform: none;
    }

    .video-title {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .steps-container {
        grid-template-columns: 1fr;
    }

    .email-form {
        flex-direction: column;
    }

    .email-form input {
        min-width: auto;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .mockup-screen {
        width: 250px;
        height: 400px;
    }
}

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

/* Screen-reader only (kept out of visual flow but accessible to AI parsers and AT) */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 1px, 1px) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Modern Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.loading {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth entrance animations */
.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.slide-in-left {
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.slide-in-right {
    animation: slideInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Hover Effects */
.feature-card,
.step,
.screenshot-placeholder {
    transition: all 0.3s ease;
}

.feature-card:hover,
.step:hover,
.screenshot-placeholder:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.15), 0 10px 20px -5px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 136, 204, 0.3);
}