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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #000000 0%, #007fa7 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 60px;
}

.nav-brand .logo {
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: bold;
    text-decoration: none;
    margin-left: 20px;
}

.logo-link {
    text-decoration: none;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-right: 20px;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #007fa7;
    background-color: rgba(0, 127, 167, 0.1);
}

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

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

/* Main Content */
.main {
    flex: 1;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 2rem 40px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    position: relative;
    overflow: hidden;
}

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

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

.hero-images {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 650px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: #ffffff;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 500px;
    line-height: 1.6;
}

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

/* Mobile Frame Styles */
.mobile-frame {
    width: 280px;
    height: 570px;
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 40px;
    padding: 4px;
    position: relative;
    box-shadow: 
        0 0 50px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.mobile-frame::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #333;
    border-radius: 2px;
}


.mobile-screen {
    width: 100%;
    height: 555px;
    background: #000;
    border-radius: 35px;
    overflow: hidden;
    margin-top: 4px;
    position: relative;
}

.mobile-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 25px;
}

.mobile-frame-1 {
    position: absolute;
    left: 0;
    top: 50%;
    z-index: 2;
    transform: translateY(-50%);
}

.mobile-frame-2 {
    position: absolute;
    left: 200px;
    top: 50%;
    z-index: 1;
    width: 260px;
    height: 520px;
    transform: translateX(-10%) translateY(-50%);
}

.mobile-frame-2 .mobile-screen {
    height: 505px;
}


/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
    transform: translateY(-2px);
}

.btn-download {
    background: rgba(0, 0, 0, 0.8);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.btn-download:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.5);
}

.download-icon {
    font-size: 1.2rem;
}

/* Sections */
.features,
.download {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #ffffff;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 15px 40px rgba(31, 38, 135, 0.5);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #007fa7;
}

.feature-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Download Section */
.download {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 2rem 40px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    text-align: center;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
}

.download-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-buttons {
    display: flex;
    justify-content: center;
}

/* Content Pages */
.content-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.page-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #007fa7;
    text-align: center;
}

.last-updated {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 3rem;
    font-style: italic;
}

.policy-section {
    margin-bottom: 2.5rem;
}

.policy-section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #007fa7;
    border-bottom: 2px solid rgba(0, 127, 167, 0.3);
    padding-bottom: 0.5rem;
}

.policy-section h3 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    margin-top: 1.5rem;
    color: #ffffff;
}

.policy-section p {
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

.policy-section ul {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.policy-section li {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem 0 1rem;
    margin-top: auto;
    box-shadow: 0 -8px 32px rgba(31, 38, 135, 0.37);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.footer-brand h4 {
    color: #007fa7;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #007fa7;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 1rem;
}

.mb-2 {
    margin-bottom: 1rem;
}