:root {
    --primary-color: #6B7FD7;
    --primary-dark: #4A5DB8;
    --primary-light: #8A9BE5;
    --secondary-color: #50E3C2;
    --accent-color: #FF9500;
    --text-color: #333333;
    --background-color: #F5F5F5;
    --section-bg: #FFFFFF;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --shadow: 0 10px 30px rgba(107, 127, 215, 0.15);
    --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scroll-down {
    transform: translateY(-100%);
}

.navbar.scroll-up {
    transform: translateY(0);
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero-section {
    padding: 8rem 5% 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, #F5F5F5 0%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(107, 127, 215, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(80, 227, 194, 0.1) 0%, transparent 50%);
    animation: gradientMove 15s ease infinite;
}

.hero-content {
    max-width: 800px;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    animation: bounce 2s infinite;
    font-weight: 800;
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    color: #666;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease;
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    animation: buttonPulse 2s infinite;
    font-size: 1.1rem;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 107, 156, 0.25);
}

/* Demo Slider */
.demo-slider {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.slider-container {
    position: relative;
    height: 932px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
    width: 100%;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.slide.active {
    opacity: 1;
    pointer-events: auto;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 1.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
}

.dot::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50%;
    background: var(--gradient);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: -1;
}

.dot:hover::after {
    opacity: 0.2;
}

.dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
    border-color: var(--primary-light);
}

.dot.active::after {
    opacity: 0.3;
}

.phone-frame {
    position: relative;
    width: 380px;
    height: 825px;
    background: linear-gradient(145deg, #2A2A3C, #1E1E2F);
    border-radius: 55px;
    padding: 15px;
    box-shadow: 0 20px 40px rgba(107, 127, 215, 0.2);
    transform: rotateY(-10deg);
    transition: all 0.5s ease;
    border: 3px solid var(--primary-light);
    backdrop-filter: blur(10px);
    overflow: hidden;
    margin: 0 auto;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 35px;
    background: linear-gradient(145deg, #2A2A3C, #1E1E2F);
    border-bottom-left-radius: 25px;
    border-bottom-right-radius: 25px;
    border: 3px solid var(--primary-light);
    border-top: none;
}

.phone-frame::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 35px;
    background: linear-gradient(145deg, #2A2A3C, #1E1E2F);
    border-top-left-radius: 25px;
    border-top-right-radius: 25px;
    border: 3px solid var(--primary-light);
    border-bottom: none;
}

.phone-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 40px;
    transition: transform 0.3s ease;
}

/* Features Section */
.features-section {
    padding: 8rem 5%;
    background-color: var(--background-color);
    position: relative;
}

.features-section h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 2.5rem;
    text-align: center;
    background: var(--section-bg);
    border-radius: 25px;
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.feature-card i {
    font-size: 3.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.feature-card:hover i {
    transform: scale(1.2) rotate(5deg);
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
    position: relative;
    z-index: 1;
    font-size: 1.5rem;
    font-weight: 700;
}

.feature-card p {
    position: relative;
    z-index: 1;
    color: #666;
    line-height: 1.6;
}

/* Download Section */
.download-section {
    padding: 8rem 5%;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.download-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239B7BCA' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.download-section h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    z-index: 1;
}

.download-section p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 1;
}

.app-store-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 1.2rem 2.5rem;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    position: relative;
    z-index: 1;
    animation: float 3s ease-in-out infinite;
    font-size: 1.1rem;
}

.app-store-button i {
    font-size: 1.5rem;
}

.app-store-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 107, 156, 0.25);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--text-color), #1a1a1a);
    color: white;
    padding: 4rem 5% 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: var(--primary-light);
    font-size: 1.3rem;
}

.footer-section p {
    color: #ccc;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-section a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #ccc;
}

/* Privacy Section */
.privacy-section {
    padding: 8rem 5% 4rem;
    min-height: 100vh;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-content h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}

.privacy-card {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.privacy-card h2 {
    color: var(--primary-color);
    margin: 2rem 0 1rem;
    font-size: 1.8rem;
}

.privacy-card h2:first-child {
    margin-top: 0;
}

.privacy-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.privacy-card ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.privacy-card ul li {
    color: #666;
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.privacy-card ul li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.privacy-card a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.privacy-card a:hover {
    color: var(--primary-dark);
}

/* Contact Section */
.contact-section {
    padding: 8rem 5% 4rem;
    min-height: 100vh;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}

.contact-content > p {
    text-align: center;
    color: #666;
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 3rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #eee;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 156, 0.1);
}

.submit-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 1rem 2rem;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 107, 156, 0.25);
}

.submit-button i {
    font-size: 1.2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

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

.info-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.info-item a:hover {
    color: var(--primary-dark);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        padding: 1rem 5%;
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
        box-shadow: var(--shadow);
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .slider-container {
        height: 700px;
    }

    .phone-frame {
        width: 300px;
        height: 650px;
        border-radius: 40px;
    }

    .phone-frame img {
        border-radius: 30px;
    }

    .privacy-card,
    .contact-card {
        padding: 2rem;
    }

    .privacy-content h1,
    .contact-content h1 {
        font-size: 2.5rem;
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

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

    .slider-container {
        height: 600px;
    }

    .phone-frame {
        width: 260px;
        height: 560px;
        border-radius: 35px;
    }

    .phone-frame img {
        border-radius: 25px;
    }
}

@keyframes gradientMove {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 100%;
    }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes buttonPulse {
    0% { box-shadow: 0 0 0 0 rgba(107, 127, 215, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(107, 127, 215, 0); }
    100% { box-shadow: 0 0 0 0 rgba(107, 127, 215, 0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}