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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #eeefef;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
}

header {
    padding: 30px 40px 20px 30px;
    background: #eeefef;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: #eeefef;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-subtitle {
    font-size:30px;
    font-family: "Gabarito", Arial, Helvetica, sans-serif;
    font-weight: 500;
    line-height: 28px;
    letter-spacing: -0.4px;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: 56px;
    font-family: "Google Sans", Arial, Helvetica, sans-serif;
    font-weight: 500;
    line-height: 62px;
    color: rgb(0, 0, 0);
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.hero p {
    font-size: 22px;
    font-family: "Google Sans", Arial, Helvetica, sans-serif;
    font-weight: 400;
    line-height: 36px;
    color: rgb(0, 0, 0);
    margin-bottom: 40px;
}

.email-form {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.email-input {
    flex: 1;
    padding: 16px 20px;
    font-size: 16px;
    font-family: "Google Sans", Arial, Helvetica, sans-serif;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s ease;
    background: #ffffff;
}

.email-input:focus {
    border-color: #1a1a1a;
}

.submit-btn {
    padding: 16px 32px;
    font-size: 18px;
    font-family: "Google Sans", Arial, Helvetica, sans-serif;
    font-weight: 400;
    color: white;
    background: #1a1a1a;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.submit-btn:hover {
    background: #333;
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
}

.success-message {
    display: none;
    background: #bcd1ca;
    color: #000000;
    padding: 16px;
    border-radius: 8px;
    margin-top: 16px;
    font-family: "Google Sans", Arial, Helvetica, sans-serif;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image {
    width: 552px;
    height: 552px;
    background-image: url('graph-image.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 12px;
    margin-top: -150px;
}

.gradient-text {
    background: linear-gradient(
        45deg,
        #4285f4,
        #34a853,
        #fbbc04,
        #ea4335,
        #9c27b0,
        #00bcd4,
        #4285f4
    );
    background-size: 400% 400%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 11s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@media (max-width: 1288px) {
    .hero-image {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        justify-content: center;
        align-items: center;
    }
    
    .hero-text {
        margin: 0 auto;
        max-width: 800px;
        text-align: left;
    }
    
    .hero {
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 70px;
        line-height: 74px;
    }
    
    .email-form {
        justify-content: flex-start;
    }
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 68px;
    }
    
    .nav-links {
        display: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .hero h1 {
        font-size: 60px;
        line-height: 67px;

    }
    
    .hero p {
        font-size: 18px;
    }
    
    .email-form {
        flex-direction: column;
    }
    
    .abstract-shape {
        width: 300px;
        height: 300px;
    }
    
    .shape-1 {
        width: 150px;
        height: 150px;
    }
    
    .shape-2 {
        width: 100px;
        height: 100px;
    }
    
    .shape-3 {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 642px) {
    .hero h1 {
        font-size: 54px;
        line-height: 60px;
    }
    .hero-text p {
        line-height: 34px;
    }
}

@media (max-width: 579px) {
    .hero h1 {
        font-size: 47px;
        line-height: 55px;
    }
    .hero-text p {
        line-height: 34px;
    }
}

@media (max-width: 441px) {
    .hero h1 {
        font-size: 38px;
        line-height: 46px;
    }
    .hero-text p {
        line-height: 29px;
    }
    .email-form {
        margin-top: -10px;
    }
}

@media (max-width: 400px) {
    .hero h1 {
        font-size: 34px;
        line-height: 46px;
    }
    .hero-text p {
        line-height: 29px;
    }
    .email-form {
        margin-top: -10px;
    }
}