:root {
    --primary-color: #534292;
    --secondary-color: #7961da;
    --text-color: #333;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

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

header {
    background-color: var(--primary-color);
    height: var(--header-height);
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo img {
    height: 40px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
}

nav ul li a:hover, nav ul li a.active {
    border-bottom: 2px solid var(--white);
}

.hero {
    height: 100vh;
    background: linear-gradient(rgba(83, 66, 146, 0.75), rgba(83, 66, 146, 0.75)), url('assets/img/hero_bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding: 0 10%;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    line-height: 1.1;
}

.section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.section-subtitle {
    font-size: 1.25rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: #666;
}

.intro {
    background-color: var(--white);
    text-align: center;
}

.intro h3 {
    color: var(--primary-color);
    font-size: 2.2rem;
    margin-bottom: 2rem;
    line-height: 1.3;
}

.intro p {
    font-size: 1.15rem;
    max-width: 900px;
    margin: 0 auto;
    color: #555;
}

.tech-features {
    background-color: var(--light-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

.feature-card h6 {
    color: var(--primary-color);
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    font-weight: 700;
}

.product {
    background-color: var(--white);
}

.product-info {
    background: var(--light-bg);
    padding: 3rem;
    border-radius: 12px;
    font-size: 1.1rem;
    border-left: 5px solid var(--primary-color);
}

.team {
    background-color: var(--white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 10px;
}

.team-member h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.media {
    background-color: var(--light-bg);
}

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

.media-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    border-top: 4px solid var(--primary-color);
}

.media-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.investors {
    background-color: var(--primary-color);
    color: var(--white);
}

.investors h1 {
    text-align: center;
    margin-bottom: 4rem;
    font-size: 3rem;
}

.investor-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 4rem;
}

.investor-logos img {
    height: 45px;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: opacity 0.3s;
}

.investor-logos img:hover {
    opacity: 1;
}

.contact {
    background-color: var(--white);
    text-align: center;
}

footer {
    background-color: #222;
    padding: 3rem 5%;
    text-align: center;
    font-size: 0.9rem;
    color: #aaa;
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 3.5rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        height: auto;
        padding: 1rem;
    }
    nav ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    nav ul li {
        margin: 0.5rem 1rem;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .section {
        padding: 4rem 0;
    }
}