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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', 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;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 40px;
    height: 40px;
}

.brand-text {
    font-size: 20px;
    font-weight: 700;
    color: #25D366;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

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

.nav-link:hover {
    color: #25D366;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #25D366;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Mobile Menu */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: 10px 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -150px;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: -100px;
    animation: float 8s ease-in-out infinite reverse;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 10%;
    animation: float 7s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 20px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    background: linear-gradient(45deg, #FFD700, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 400;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 24px;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: #25D366;
    color: white;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* App Screenshot */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-screenshot {
    position: relative;
    max-width: 300px;
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.app-screenshot:hover {
    transform: scale(1.05);
}

.screenshot-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}

.screenshot-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #25D366, #667eea, #764ba2);
    border-radius: 22px;
    z-index: -1;
    opacity: 0.3;
    filter: blur(8px);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    font-weight: 400;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #25D366, #20BA5A);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 24px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
    position: relative;
    z-index: 2;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #667eea;
    font-size: 24px;
}

.step h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.step p {
    color: #666;
    font-size: 16px;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #25D366, #20BA5A);
    color: white;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.download-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.download-text p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.download-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 500;
}

.download-feature i {
    color: #FFD700;
    font-size: 18px;
}

.download-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 30px;
    background: white;
    color: #25D366;
    text-decoration: none;
    border-radius: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.btn-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-content i {
    font-size: 24px;
}

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

.btn-text small {
    display: block;
    font-size: 12px;
    opacity: 0.7;
    margin-bottom: 2px;
}

.btn-text strong {
    display: block;
    font-size: 18px;
    font-weight: 600;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    width: 50px;
    height: 50px;
}

.footer-text h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
}

.footer-text p {
    opacity: 0.7;
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-section h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #25D366;
}

.footer-section a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #25D366;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 14px;
}

.footer-bottom i {
    color: #e74c3c;
}

/* Policy Pages */
.policy-page {
    padding: 120px 0 80px;
    background: #f8f9fa;
    min-height: 100vh;
}

.policy-header {
    text-align: center;
    margin-bottom: 60px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #25D366;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #20BA5A;
}

.policy-title {
    font-size: 42px;
    font-weight: 800;
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.policy-title i {
    color: #25D366;
    font-size: 36px;
}

.policy-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 14px;
}

.policy-intro {
    margin-bottom: 60px;
}

.intro-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    margin: 0 auto;
}

.intro-card i {
    font-size: 48px;
    color: #25D366;
    margin-bottom: 20px;
}

.intro-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.policy-sections {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.policy-section {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.policy-section h2 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-number {
    background: linear-gradient(135deg, #25D366, #20BA5A);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.policy-section h3 {
    font-size: 20px;
    font-weight: 600;
    color: #25D366;
    margin: 30px 0 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.policy-section h3 i {
    color: #25D366;
    font-size: 18px;
}

.policy-section p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 15px;
}

.policy-section ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.policy-section li {
    margin-bottom: 8px;
    color: #555;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.policy-section li i {
    color: #25D366;
    margin-top: 2px;
    flex-shrink: 0;
}

.usage-grid,
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.usage-item,
.service-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #25D366;
}

.usage-item i,
.service-card i {
    color: #25D366;
    font-size: 24px;
    flex-shrink: 0;
}

.service-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.service-card p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

.data-types {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 20px 0;
}

.data-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
}

.data-item i {
    color: #25D366;
    font-size: 24px;
    margin-top: 5px;
    flex-shrink: 0;
}

.data-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.data-item p {
    color: #666;
    margin: 0;
    font-size: 14px;
}

.features-list,
.responsibilities-grid,
.prohibited-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
}

.feature-item,
.responsibility-item,
.prohibited-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 8px;
}

.feature-item i,
.responsibility-item i,
.prohibited-item i {
    color: #25D366;
    font-size: 16px;
    flex-shrink: 0;
}

.prohibited-item i {
    color: #e74c3c;
}

.ad-types {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
}

.ad-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 8px;
}

.ad-item i {
    color: #25D366;
    font-size: 16px;
    flex-shrink: 0;
}

.highlight-box,
.disclaimer-box {
    background: linear-gradient(135deg, #25D366, #20BA5A);
    color: white;
    padding: 20px;
    border-radius: 12px;
    margin: 20px 0;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.highlight-box i,
.disclaimer-box i {
    font-size: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.link-box {
    margin: 20px 0;
}

.link-box a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: #25D366;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.link-box a:hover {
    background: #20BA5A;
    transform: translateY(-2px);
}

.contact-section {
    margin-top: 60px;
}

.contact-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.contact-header {
    margin-bottom: 30px;
}

.contact-header i {
    font-size: 48px;
    color: #25D366;
    margin-bottom: 15px;
}

.contact-header h3 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.contact-item i {
    color: #25D366;
    font-size: 16px;
}

.contact-item a {
    color: #25D366;
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #20BA5A;
    transform: scale(1.1);
}

/* Ripple Effect */
.btn,
.download-btn {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
        padding: 100px 20px 60px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .app-screenshot {
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .download-btn {
        padding: 16px 24px;
    }

    .btn {
        padding: 14px 24px;
        font-size: 14px;
    }
}