:root {
    --bg: #f4f7f5;
    --panel: #ffffff;
    --text: #121212;
    --muted: #5b5f5c;
    --line: #d7ddd8;
    --accent: #14836f;
    --accent-dark: #0f5f51;
    --ink: #0e1211;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: radial-gradient(circle at top right, #e8f1ec 0%, #f4f7f5 35%) no-repeat;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

.container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 24px;
}

.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(244, 247, 245, 0.95);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 5;
}

.header-inner {
    min-height: 74px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.01em;
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.nav a {
    text-decoration: none;
    font-size: 14px;
    color: var(--muted);
    font-weight: 600;
}

.nav a.active,
.nav a:hover {
    color: var(--text);
}

.hero {
    padding: 72px 0 50px;
}

.eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 18px;
}

h1 {
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.08;
    letter-spacing: -0.02em;
    max-width: 760px;
    margin-bottom: 20px;
}

.lead {
    font-size: 20px;
    color: #343936;
    max-width: 720px;
    margin-bottom: 34px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.btn {
    text-decoration: none;
    display: inline-block;
    border-radius: 9px;
    font-weight: 700;
    font-size: 15px;
    padding: 13px 24px;
}

.btn-primary {
    background: var(--ink);
    color: #ffffff;
}

.btn-primary:hover {
    background: #1d2321;
}

.btn-secondary {
    border: 1px solid var(--line);
    color: #2b312f;
    background: #ffffff;
}

.btn-secondary:hover {
    border-color: #adb8b0;
}

section {
    padding: 16px 0 74px;
}

.section-title {
    font-size: clamp(26px, 3vw, 38px);
    line-height: 1.2;
    margin-bottom: 14px;
}

.section-intro {
    color: var(--muted);
    margin-bottom: 28px;
    max-width: 740px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.card {
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 30px;
    background: var(--panel);
}

.card h3 {
    font-size: 24px;
    line-height: 1.2;
    margin-bottom: 14px;
}

.card p {
    color: var(--muted);
    margin-bottom: 16px;
}

.meta-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 8px;
}

.list {
    list-style: none;
    margin: 14px 0 24px;
}

.list li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 10px;
    color: #3d433f;
}

.list li::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    position: absolute;
    left: 0;
    top: 9px;
}

.link {
    font-weight: 700;
    color: var(--accent-dark);
    text-decoration: none;
}

.link:hover {
    color: #0b4b3f;
}

.dark-band {
    background: #121716;
    color: #f4f7f5;
    border-radius: 18px;
    padding: 40px;
}

.dark-band p {
    color: #b9c6c0;
}

.dark-band .list li {
    color: #d9e2de;
}

.dark-band .list li::before {
    background: #55c5ae;
}

.footer {
    border-top: 1px solid var(--line);
    padding: 28px 0 34px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    color: #4d5550;
    font-size: 14px;
}

@media (max-width: 900px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 18px;
    }

    .site-header {
        position: static;
    }

    .header-inner {
        padding: 10px 0;
        align-items: flex-start;
        flex-direction: column;
    }

    .hero {
        padding-top: 40px;
    }

    .lead {
        font-size: 18px;
    }

    .card {
        padding: 24px;
    }

    .dark-band {
        padding: 28px;
    }
}
