:root {
    --primary-color: #0077B5;
    --secondary-color: #00A0DC;
    --accent-color: #0073B1;
    --text-primary: #2C3E50;
    --text-secondary: #34495E;
    --background-light: #F8FAFC;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
}

.standard-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
}

.logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.browser-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
    margin-right: 8px;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-item {
    position: relative;
    display: inline-block;
}

.nav-item > a {
    display: flex;
    align-items: center;
    gap: 4px;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 200px;
    z-index: 1000;
}

.nav-item:hover .submenu {
    display: block;
}

.submenu .nav-link {
    display: block;
    padding: 0.5rem 1rem;
    white-space: nowrap;
}

.submenu .nav-link:hover {
    background: var(--background-light);
}

.nav-link.active {
    color: var(--primary-color);
}

.hero {
    padding: 120px 20px 80px;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--white) 100%);
    text-align: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 119, 181, 0.2);
}

.secondary-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--primary-color);
    text-decoration: none;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    background: rgba(0, 119, 181, 0.1);
    transform: translateY(-2px);
}

.hero-screenshot {
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    padding-top: 56.25%;
}

.standard-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .hero-screenshot {
        margin: 1rem auto 0;
        padding-top: 75%;
    }
}

.hero-screenshot img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.hero-screenshot:hover {
    transform: translateY(-5px);
}

.features {
    padding: 6rem 2rem;
    background: var(--white);
    max-width: 1200px;
    margin: 0 auto;
}

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

.feature-card {
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.download {
    padding: 4rem 2rem;
    background: var(--background-light);
    text-align: center;
}

.download-content {
    max-width: 1200px;
    margin: 0 auto;
}

.browser-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.browser-button {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: var(--white);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.browser-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 20px 60px;
    }

    .hero h1 {
        font-size: 2.5rem;
        padding: 0 10px;
    }

    .hero-subtitle {
        font-size: 1.125rem;
        padding: 0 10px;
    }

    .cta-group {
        flex-direction: column;
        align-items: center;
        padding: 0 20px;
    }

    .hero-screenshot {
        margin: 0 -20px;
        border-radius: 0;
    }

    .cta-button, .secondary-button {
        width: 100%;
        justify-content: center;
    }

    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
        padding: 0.5rem;
    }

    .nav-links a {
        font-size: 0.9rem;
        margin: 0;
    }

    .navbar {
        padding: 0.5rem 0;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .browser-buttons {
        flex-direction: column;
    }
}

.footer-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    margin-right: 10px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Menu Container */
.menu-container {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.menu {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.2rem;
}

.logo img {
    height: 32px;
    width: auto;
}

/* Navigation Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.menu-item {
    position: relative;
    padding: 0.5rem 0;
}

.menu-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.menu-trigger:hover {
    color: var(--primary-color);
    background: var(--background-light);
}

/* Submenu */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1001;
}

.menu-item:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.submenu a:hover {
    background: var(--background-light);
    color: var(--primary-color);
}

/* Material Icons */
.material-icons {
    font-size: 20px;
    vertical-align: middle;
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu {
        padding: 0 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .menu-trigger {
        font-size: 0.9rem;
    }

    .submenu {
        min-width: 200px;
    }
}

@media (max-width: 576px) {
    .menu-container {
        padding: 0.5rem 0;
    }

    .logo {
        font-size: 1rem;
    }

    .logo img {
        height: 24px;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .menu-trigger {
        padding: 0.25rem;
    }

    .submenu a {
        padding: 0.5rem 0.75rem;
    }
}