:root {
    --green: #155f4d;
    --green-dark: #0d3f33;
    --gray: #4f5558;
    --light: #f5f7f6;
    --white: #ffffff;
    --dark: #1d2528;
}

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

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
}

.container {
    width: min(1120px, 92%);
    margin: auto;
}

.header {
    background: var(--white);
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav {
    height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    height: 85px;
}

nav {
    display: flex;
    gap: 24px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    font-size: 15px;
}

.btn-nav {
    background: var(--green);
    color: white;
    padding: 10px 18px;
    border-radius: 4px;
}

.hero {
    background: linear-gradient(120deg, #f8faf9 0%, #ffffff 55%, #e9f1ee 100%);
    padding: 90px 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}

.tagline,
.section-label {
    color: var(--green);
    font-weight: 800;
    letter-spacing: 2px;
    font-size: 13px;
    margin-bottom: 12px;
}

h1 {
    font-size: 48px;
    line-height: 1.12;
    margin-bottom: 22px;
    color: var(--green-dark);
}

h2 {
    font-size: 34px;
    line-height: 1.25;
    margin-bottom: 32px;
    color: var(--green-dark);
}

h3 {
    color: var(--green-dark);
    margin-bottom: 10px;
}

.hero-text {
    font-size: 18px;
    color: var(--gray);
    max-width: 680px;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    text-decoration: none;
    padding: 14px 22px;
    border-radius: 4px;
    font-weight: 700;
}

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

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

.hero-card {
    background: var(--white);
    border-left: 6px solid var(--green);
    padding: 34px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.08);
}

.hero-card ul {
    list-style: none;
}

.hero-card li {
    padding: 10px 0;
    border-bottom: 1px solid #eeeeee;
    color: var(--gray);
}

.section {
    padding: 82px 0;
}

.section-light {
    background: var(--light);
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.card {
    border: 1px solid #e3e7e5;
    padding: 28px;
    background: white;
    border-radius: 6px;
}

.card p,
.steps p,
.contact p {
    color: var(--gray);
}

.sector-list {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.sector-list span {
    background: white;
    border: 1px solid #dce3e0;
    color: var(--green-dark);
    padding: 14px 20px;
    border-radius: 4px;
    font-weight: 700;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}

.steps strong {
    display: block;
    color: var(--green);
    font-size: 28px;
    margin-bottom: 12px;
}

.contact {
    background: var(--green-dark);
    color: white;
}

.contact h2,
.contact .section-label {
    color: white;
}

.contact-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 46px;
    align-items: start;
}

form {
    display: grid;
    gap: 14px;
}

input,
textarea {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 4px;
    font-size: 15px;
}

textarea {
    min-height: 130px;
    resize: vertical;
}

button {
    background: var(--green);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
}

footer {
    background: #101716;
    color: white;
    padding: 24px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    font-size: 14px;
}

@media (max-width: 850px) {
    .nav {
        height: auto;
        padding: 18px 0;
        flex-direction: column;
        gap: 16px;
    }

    nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
    }

    .hero-content,
    .contact-box {
        grid-template-columns: 1fr;
    }

    .grid,
    .steps {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 34px;
    }

    h2 {
        font-size: 28px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
.flash-message {
    background: #155f4d;
    color: white;
    text-align: center;
    padding: 14px;
    font-weight: 700;
}
}