@import url('https://fonts.googleapis.com/css2?family=PT+Serif:ital,wght@0,400;0,700;1,400;1,700&display=swap');

:root {
    --bg-hero: #000000;
    --bg-features: #EAE6DD;
    --text-hero: #FFFFFF;
    --text-features: #171918;
    --accent-teal: #80A5A3;
    --btn-text: #202221;
    --font-primary: "PT Serif", serif;
    --font-secondary: sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-hero);
    color: var(--text-hero);
    line-height: 1.5;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5rem;
}

/* Nav */
nav {
    padding: 2rem 0;
    position: absolute;
    width: 100%;
    z-index: 10;
}

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

.logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

/* Hero */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(54, 54, 53, 0.49), rgba(54, 54, 53, 0.49)), url('background.webp');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 80px;
}

.hero h1 {
    font-family: var(--font-primary);
    font-size: 72px;
    line-height: 72px;
    letter-spacing: -1.44px;
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: center;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 29px;
    letter-spacing: -0.2px;
    margin-bottom: 1.5rem;
    font-family: var(--font-primary);
    font-weight: 700;
    text-align: left;
}

.hero p {
    font-size: 20px;
    line-height: 29px;
    letter-spacing: -0.2px;
    margin-bottom: 2.5rem;
    font-family: var(--font-primary);
    max-width: 900px;
    text-align: left;
}

.btn-primary {
    background-color: var(--accent-teal);
    color: var(--btn-text);
    padding: 12px 24px;
    text-decoration: none;
    font-weight: 400;
    display: inline-block;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-family: var(--font-primary);
    border-radius: 4px;
}

.btn-primary:hover {
    opacity: 0.85;
}

/* Features */
.section-features {
    background-color: var(--bg-features);
    color: var(--text-features);
    padding: 128px 80px;
    text-align: left;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
}

.feature-item h3 {
    font-family: var(--font-primary);
    font-size: 20px;
    line-height: 25px;
    letter-spacing: -0.6px;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-align: left;
}

.feature-item p {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 24px;
    opacity: 0.8;
    text-align: left;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.77);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: #FFFFFF;
    color: var(--text-features);
    margin: 10vh auto;
    padding: 30px;
    width: 90%;
    max-width: 530px;
    border-radius: 10px;
    position: relative;
    font-family: var(--font-secondary);
}

.close {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-features);
}

.modal h2 {
    font-family: var(--font-primary);
    font-size: 24px;
    margin-bottom: 2rem;
    font-weight: 700;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 400;
    font-size: 16px;
}

.form-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #CCCCCC;
    border-radius: 10px;
    background: white;
    font-family: var(--font-secondary);
    font-size: 14px;
}

.btn-submit {
    width: 100%;
    background-color: #3F9083;
    color: #FFFFFF;
    padding: 12px;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    font-size: 16px;
    font-family: var(--font-secondary);
    transition: var(--transition);
    margin-top: 0.5rem;
}

.btn-submit:hover {
    opacity: 0.85;
}

/* Responsive */
@media (max-width: 900px) {
    .container {
        padding: 0 2rem;
    }

    .hero h1 {
        font-size: 3rem;
        line-height: 3rem;
    }

    .hero p,
    .hero-subtitle {
        font-size: 1rem;
    }

    .grid-3 {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}