:root {
    --primary-color: #FF9F43;
    --secondary-color: #FDCB6E;
    --accent-color: #00d2d3;
    --text-color: #2D3436;
    --light-text: #636e72;
    --bg-color: #ffffff;
    --section-bg: #f7f9fc;
    --white: #ffffff;
    --shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    --radius: 20px;
}

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

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
}

.logo span {
    font-size: 18px;
    color: var(--text-color);
    margin-left: 5px;
    font-weight: 500;
}

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

.nav-links a {
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #fff5e6 0%, #fff 100%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-color);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--light-text);
    margin-bottom: 40px;
    max-width: 500px;
}

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

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 5px 15px rgba(255, 159, 67, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 300px;
    height: auto;
    background: var(--text-color);
    border-radius: 40px;
    padding: 10px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    position: relative;
}

.screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screen img {
    width: 100%;
    height: auto;
    display: block;
}

.placeholder-content {
    color: #ccc;
    font-weight: bold;
}

/* Intro Section */
.intro {
    text-align: center;
    padding: 80px 0;
    background: var(--white);
}

.intro h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.intro p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--light-text);
    font-size: 18px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--section-bg);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 80px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 100px;
}

.feature-item.reverse {
    flex-direction: row-reverse;
}

.feature-text {
    flex: 1;
}

.feature-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.feature-text p {
    font-size: 16px;
    color: var(--light-text);
    margin-bottom: 30px;
}

.feature-text ul li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    font-size: 16px;
}

.feature-text ul li i {
    color: var(--secondary-color);
    margin-right: 15px;
    font-size: 18px;
}

.feature-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.card-mockup {
    width: 300px;
    /* Adjusted width to match phone ratio roughly or just container */
    height: auto;
    background: transparent;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s;
}

.card-mockup img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius);
}

.feature-item:hover .card-mockup {
    transform: scale(1.02);
}

/* Lab Section */
.lab {
    padding: 100px 0;
    background: var(--white);
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.lab-card {
    background: var(--section-bg);
    padding: 40px;
    border-radius: var(--radius);
    text-align: center;
    transition: transform 0.3s;
}

.lab-card:hover {
    transform: translateY(-10px);
}

.lab-card i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.lab-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.lab-card p {
    color: var(--light-text);
}

/* Footer */
footer {
    background: #2d3436;
    color: #fff;
    padding: 80px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 50px;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.contact-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.contact-info p i {
    margin-right: 10px;
    width: 20px;
}

.legal-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.legal-links a {
    color: #b2bec3;
    transition: color 0.3s;
}

.legal-links a:hover {
    color: var(--primary-color);
}

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    color: #636e72;
}

/* Responsive */
@media (max-width: 768px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero h1 {
        font-size: 36px;
    }

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

    .feature-item,
    .feature-item.reverse {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .feature-text ul li {
        justify-content: center;
    }

    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: block;
    }
}