/* Basic Reset */
body {
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
    font-family: 'Open Sans', sans-serif;
}

.main-navbar {
    background: #ffffff;
    border-bottom: 1px solid #ddd;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Menu Toggle Button */
.menu-toggle {
    font-size: 28px;
    cursor: pointer;
    display: none;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu li a {
    color: #0b2545;
    font-weight: 500;
    font-size: 16px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-menu li a:hover {
    color: #030405;
}

/* Responsive (Mobile & Tablet) */
@media (max-width: 991px) {
    .menu-toggle {
        display: block;
        cursor: pointer;
        z-index: 1001;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        background: linear-gradient(to bottom, #eaf6fb, #d7eaf7);
        /* Soft gradient like your image */
        position: absolute;
        top: 65px;
        right: 15px;
        width: 250px;
        padding: 10px 0;
        border-radius: 10px;
        border: 1px solid #d0e4ef;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
        animation: slideDown 0.3s ease-in-out;
        z-index: 1000;
    }

    .nav-menu.show-menu {
        display: flex;
    }

    .nav-menu li {
        padding: 0px 15px;
        text-align: left;
        border-bottom: 1px solid #e0edf5;
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu li a {
        color: #2a2a2a;
        font-size: 15px;
        text-decoration: none;
        transition: color 0.3s ease, text-shadow 0.3s ease, background-color 0.3s ease;
        display: block;
        border-radius: 6px;
    }

    .nav-menu li a:hover {
        color: #4da6ff;
        /* Light sky blue */
        background-color: rgba(77, 166, 255, 0.1);
        text-shadow: 0 0 5px #4da6ff;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}


.hero-section {
    background-image: url('./images/Usb-lock-0.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 60px 15px;
    color: white;
}

.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.hero-text {
    flex: 1 1 50%;
    text-align: left;
}

.hero-description {
    font-size: 18px;
    line-height: 1.6;
    color: #000;
}

.hero-image {
    flex: 1 1 45%;
    text-align: right;
}

.hero-image img {
    max-width: 100%;
    height: auto;
}

.btn-download {
    background-color: #0c8c34;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 500;
    text-decoration: none;
}

.btn-download:hover {
    background-color: #0a772c;
}

/* 📱 Responsive: stack on small screens */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        text-align: center;
    }

    .hero-image {
        text-align: center;
        margin-top: 20px;
    }

    .hero-description {
        font-size: 16px;
    }
}




.features-section {
    background-image: url('./images/usb-lock-features.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 80px 0;
    color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    /* background: rgba(255, 255, 255, 0.1); */
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    backdrop-filter: blur(8px);
    /* box-shadow: 0 0 20px rgba(0, 0, 0, 0.1); */
}

.feature-card h3 {
    margin-top: 20px;
    font-size: 18px;
    font-weight: 600;
    color: #d97800;
}

.feature-card {
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    backdrop-filter: blur(8px);
    transform: translateY(0);
    opacity: 1;
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    opacity: 0.2s;
}

.feature-description {
    font-size: 15px;
    color: white;
}

.icon-center img.icon-img {
    width: 60px;
    height: auto;
    margin: 0 auto;
    display: inline-block;
}

.screenshots-section {
    max-width: 1600px;
    margin: 0 auto;
    text-align: center;
    padding: 50px 20px;
    background-color: #f5ecec;
    background-image: url('./images/confectionary_bg.png');
    background-repeat: repeat;
    background-position: top left;
}

.section-title {
    font-size: 48px;
    font-weight: 300;
    color: #0a0909;
    margin-bottom: 60px;
    letter-spacing: 1px;
}

.screenshots-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    position: relative;
}

.screenshot-item {
    position: relative;
}

.screenshot-item img {
    display: block;
    height: auto;
    border-radius: 0;
}

/* Left screenshot */
.screenshot-left {
    z-index: 1;
    transform: perspective(800px) rotateY(15deg);
    margin-right: -20px;
}

.screenshot-left img {
    width: 280px;
    opacity: 0.8;
    box-shadow: -5px 10px 30px rgba(0, 0, 0, 0.3);
}

/* Main center screenshot */
.screenshot-main {
    z-index: 3;
    position: relative;
}

.screenshot-main img {
    width: 450px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

/* Blue highlight bar */
.highlight-bar {
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4a90e2, #357abd);
    z-index: 4;
}

/* Right screenshot */
.screenshot-right {
    z-index: 1;
    transform: perspective(800px) rotateY(-15deg);
    margin-left: -20px;
}

.screenshot-right img {
    width: 280px;
    opacity: 0.8;
    box-shadow: 5px 10px 30px rgba(0, 0, 0, 0.3);
}

/* Responsive design */
@media (max-width: 1024px) {
    .screenshots-container {
        flex-direction: column;
        gap: 20px;
    }

    .screenshot-left,
    .screenshot-right {
        transform: none;
        margin: 0;
    }

    .screenshot-left img,
    .screenshot-right img,
    .screenshot-main img {
        width: 100%;
        max-width: 400px;
        opacity: 1;
    }

    .highlight-bar {
        display: none;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 36px;
        margin-bottom: 40px;
    }

    .screenshots-section {
        padding: 30px 15px;
    }
}

.info-section {
    background-color: #f8f8f8;
    padding: 40px 20px;
    font-family: Arial, sans-serif;
}

.info-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
}

.monitor-image {
    flex-shrink: 0;
}

.monitor-image img {
    width: 380px;
    height: auto;
}

.info-content {
    flex: 1;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.app-icon {
    width: 64px;
    height: 64px;
    background: #333;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.app-icon {
    background-image: url('./images/lockusb_icon72.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-color: transparent;
}

.app-icon::before {
    display: none;
}

.app-title {
    margin: 0;
}

.app-title h2 {
    font-size: 32px;
    color: #333;
    margin: 0;
    font-weight: normal;
}

.app-subtitle {
    color: #666;
    font-size: 16px;
    margin-top: 5px;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 40px;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.info-label {
    font-weight: bold;
    color: #333;
    font-size: 14px;
}

.info-value {
    color: #666;
    font-size: 14px;
}

.star-rating {
    color: #ffa500;
    font-size: 16px;
    letter-spacing: 2px;
}

.price-free {
    color: #28a745;
    font-weight: bold;
}

.price-paid {
    color: #666;
    margin-left: 10px;
}

.url-link {
    color: #007bff;
    text-decoration: none;
}

.url-link:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .info-container {
        flex-direction: column;
        gap: 30px;
    }

    .monitor-image img {
        width: 100%;
        max-width: 300px;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .app-header {
        text-align: center;
    }

    .app-title h2 {
        font-size: 24px;
    }
}

.faq-section-container {
    background: linear-gradient(rgba(240, 248, 255, 0.95), rgba(240, 248, 255, 0.95)),
        url('./images/Usb-lock-0.png') no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    padding: 60px 0;
    min-height: 100vh;
}

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

.faq-header {
    text-align: left;
    margin-bottom: 40px;
}

.faq-header h1 {
    font-size: 3rem;
    color: #333;
    font-weight: bold;
    margin-bottom: 10px;
    font-family: Arial, sans-serif;
}

.subtitle {
    color: #8B4513;
    font-size: 1.1rem;
    margin-bottom: 30px;
    font-weight: 500;
}

.search-container {
    margin-left: 65%;
    margin-top: -70px;
    display: flex;
    align-items: center;
    gap: 0;
    max-width: 400px;
}

.search-btn {
    background: #ff6b35;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 5px 0 0 5px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.search-btn:hover {
    background: #e55a2b;
}

.search-btn.active {
    background: #2c5282;
}

.search-input {

    flex: 1;
    padding: 10px 15px;
    border: 2px solid #2c5282;
    border-left: none;
    border-radius: 0 5px 5px 0;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: #2c5282;
    box-shadow: 0 0 5px rgba(255, 107, 53, 0.3);
}

.faq-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.faq-group h2 {
    color: #2c5282;
    font-size: 1.5rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.faq-item {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.faq-item:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.question {
    display: flex;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.95);
}

.question:hover {
    background: rgba(248, 250, 252, 1);
}

.q-number {
    color: #2c5282;
    font-weight: bold;
    margin-right: 8px;
    min-width: 30px;
}

.q-text {
    flex: 1;
    color: #1a365d;
    font-weight: 500;
    line-height: 1.4;
}

.toggle-icon {
    color: #2c5282;
    font-size: 1.5rem;
    font-weight: bold;
    margin-left: 15px;
    transition: transform 0.3s ease;
}

.faq-item.active .toggle-icon {
    transform: rotate(45deg);
}

.answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: rgba(247, 250, 252, 0.95);
}

.answer.show {
    max-height: 500px;
    padding: 20px;
    border-top: 1px solid #e2e8f0;
}

.answer p {
    color: #4a5568;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

@media (max-width: 920px) {
    .search-container {
        display: none;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .faq-section-container {
        padding: 40px 0;
    }

    .faq-wrapper {
        padding: 0 15px;
    }

    .faq-header h1 {
        font-size: 2.2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .search-container {
        flex-direction: column;
        gap: 10px;
        max-width: 100%;
    }

    .search-btn {
        border-radius: 5px;
        width: 100%;
    }

    .search-input {
        border-radius: 5px;
        border: 2px solid #ff6b35;
        width: 100%;
    }

    .question {
        padding: 15px;
    }

    .q-text {
        font-size: 0.9rem;
    }

    .answer.show {
        padding: 15px;
    }

    .faq-group h2 {
        font-size: 1.3rem;
    }

}

@media (max-width: 480px) {
    .faq-header h1 {
        font-size: 1.8rem;
    }

    .question {
        padding: 12px;
    }

    .q-number {
        min-width: 25px;
        font-size: 0.9rem;
    }

    .q-text {
        font-size: 0.85rem;
    }

    .toggle-icon {
        font-size: 1.3rem;
        margin-left: 10px;
    }

}



.usb-feature-table-section {
    padding: 60px 20px;
    background-color: #f8fafd;
    font-family: 'Segoe UI', sans-serif;
}

.table-title {
    text-align: center;
    font-size: 32px;
    color: #0b2545;
    margin-bottom: 40px;
}

.feature-table-wrapper {
    overflow-x: auto;
}

.feature-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
}

.feature-table th,
.feature-table td {
    padding: 15px 20px;
    border: 1px solid #e1e1e1;
    text-align: left;
    font-size: 15px;
}

.feature-table th {
    background-color: #0b2545;
    color: #fff;
    font-weight: 600;
}

.feature-table tr:nth-child(even) {
    background-color: #f3f6f9;
}

@media (max-width: 768px) {

    .feature-table th,
    .feature-table td {
        padding: 12px;
        font-size: 14px;
    }
}


.feature-section h4 {
    color: #0b2545;
}

.feature-section p {
    font-size: 16px;
    color: #444;
    line-height: 1.6;
}


.contact-section {
    padding: 60px 20px;
    background: #fff;
    font-family: 'Segoe UI', sans-serif;
}

.contact-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    max-width: 1100px;
    margin: auto;
    justify-content: space-between;
}

.contact-left {
    flex: 1;
    min-width: 300px;
    max-width: 48%;
}

.contact-left h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #222;
}

.contact-left p {
    font-size: 16px;
    line-height: 1.7;
    color: #444;
    margin-bottom: 20px;
}

.contact-right {
    flex: 1;
    min-width: 300px;
    max-width: 48%;
}

.contact-right h3 {
    font-size: 24px;
    margin-bottom: 25px;
    text-align: center;
    color: #222;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.contact-form .form-group {
    position: relative;
    margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px 12px 45px;
    font-size: 14px;
    border: 1px solid #ccc;
    background: #f9f9f9;
    border-radius: 3px;
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
}

.send-btn {
    background: #28a745;
    color: #fff;
    border: none;
    padding: 12px 28px;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    transition: background 0.3s;
}

.send-btn:hover {
    background: #28a745;
}

/* Responsive */
@media (max-width: 768px) {
    .contact-wrapper {
        flex-direction: column;
    }

    .contact-left,
    .contact-right {
        max-width: 100%;
    }
}

.usb-features-section {
    padding: 60px 20px;
    background-color: #f9f9f9;
    color: #333;
}

.section-title {
    text-align: center;
    font-size: 28px;
    color: #003366;
    margin-bottom: 30px;
}

.feature-list {
    max-width: 900px;
    margin: 0 auto;
    padding-left: 20px;
    list-style: disc;
    font-size: 18px;
    line-height: 1.7;
}

.feature-list li {
    margin-bottom: 15px;
}


/* Responsive: Tablets */
@media (max-width: 992px) {
    .section-title {
        font-size: 24px;
    }

    .feature-list {
        font-size: 17px;
        padding-left: 16px;
    }
}

/* Responsive: Mobiles */
@media (max-width: 768px) {
    .usb-features-section {
        padding: 40px 15px;
    }

    .section-title {
        font-size: 22px;
    }

    .feature-list {
        font-size: 16px;
        padding-left: 14px;
    }

    .feature-list li {
        margin-bottom: 12px;
    }
}

/* Small devices (iPhone SE and below) */
@media (max-width: 480px) {
    .section-title {
        font-size: 20px;
    }

    .feature-list {
        font-size: 15px;
        line-height: 1.6;
        padding-left: 12px;
    }

    .feature-list li {
        margin-bottom: 10px;
    }
}


.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    animation: fadeIn 0.3s ease-in-out;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.modal-content h2 {
    color: #28a745;
    margin-bottom: 10px;
}

.modal-content p {
    margin-bottom: 20px;
    color: #333;
}

.modal-content button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
}

.modal-content button:hover {
    background-color: #28a745;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}