.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(14px);
    background: rgba(13, 23, 21, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-shell,
.footer-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.header-shell {
    min-height: 78px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #f7fbf8;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.brand img {
    width: 36px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 26px;
    color: rgba(247, 251, 248, 0.8);
    font-size: 14px;
}

.site-nav a:hover {
    color: #ffffff;
}

.nav-button {
    margin-left: 10px;
}

.nav-toggle {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 4px 0;
    border-radius: 999px;
    background: #ffffff;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 20px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
    box-shadow: 0 14px 28px rgba(0, 160, 62, 0.22);
}

.button-secondary {
    color: #eef7f1;
    border-color: rgba(255, 255, 255, 0.24);
    background: rgba(255, 255, 255, 0.04);
}

.button-secondary-dark {
    color: var(--text-main);
    border-color: rgba(24, 35, 45, 0.12);
    background: #ffffff;
}

.section-dark {
    position: relative;
    overflow: hidden;
    padding: 84px 0 72px;
    color: #f7fbf8;
    background:
        radial-gradient(circle at 10% 10%, rgba(0, 160, 62, 0.28), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(0, 160, 62, 0.14), transparent 24%),
        linear-gradient(180deg, #0d1715 0%, #12211c 100%);
}

.section-dark::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 130px;
    background: linear-gradient(180deg, rgba(18, 33, 28, 0) 0%, rgba(18, 33, 28, 0.8) 100%);
    pointer-events: none;
}

.hero-layout,
.split-layout,
.contact-layout,
.section-grid {
    display: grid;
    gap: 40px;
    align-items: center;
}

.hero-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(400px, 0.9fr);
}

.hero-copy h1,
.section-block h2 {
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.hero-copy h1 {
    max-width: 11ch;
    font-size: clamp(3rem, 5vw, 4.9rem);
}

.hero-copy h1 span {
    display: block;
    color: #89f0ab;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.section-dark .eyebrow {
    color: #8df0ae;
}

.lead,
.section-text,
.section-intro p,
.info-card p,
.step-card p,
.feature-list li,
.contact-meta,
.hint,
.form-footer span {
    color: var(--text-soft);
    line-height: 1.75;
}

.section-dark .lead,
.section-dark .section-text,
.section-dark .badge,
.section-dark .hero-metrics span {
    color: rgba(247, 251, 248, 0.8);
}

.lead {
    max-width: 620px;
    margin-top: 22px;
    font-size: 16px;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 28px 0;
}

.badge,
.tag,
.pill {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge {
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 34px;
}

.hero-metrics article {
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-metrics strong {
    display: block;
    margin-bottom: 6px;
    font-size: 24px;
    color: #ffffff;
}

.hero-visual-frame,
.section-art,
.form-card,
.list-card,
.info-card,
.step-card {
    border-radius: var(--radius-lg);
}

.hero-visual-frame {
    position: relative;
    padding: 18px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-soft);
}

.hero-visual-frame img,
.section-art img {
    width: 100%;
}

.section-block {
    padding: 88px 0;
}

.section-muted {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(232, 239, 233, 0.56) 100%);
}

.section-grid {
    grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
}

.section-intro h2,
.section-block h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    margin-bottom: 18px;
}

.section-art {
    padding: 20px;
    background: linear-gradient(180deg, #ffffff 0%, #eef4ef 100%);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
}

.large-art {
    max-width: 560px;
}

.cards-grid,
.feature-columns,
.step-list {
    display: grid;
    gap: 18px;
}

.cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.list-card,
.step-card,
.form-card {
    padding: 26px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
}

.card-kicker {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.info-card h3,
.step-card h3,
.list-card h3 {
    margin-bottom: 10px;
    font-size: 22px;
    line-height: 1.2;
}

.tag-row,
.pill-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.tag,
.pill {
    background: var(--primary-soft);
    color: #16532a;
}

.split-layout {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.92fr);
}

.split-layout-reverse {
    grid-template-columns: minmax(340px, 0.92fr) minmax(0, 1fr);
}

.step-list {
    margin-top: 28px;
}

.step-card {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.step-number {
    display: grid;
    place-items: center;
    width: 64px;
    aspect-ratio: 1;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(0, 160, 62, 0.16) 0%, rgba(0, 160, 62, 0.06) 100%);
    color: var(--primary-deep);
    font-size: 18px;
    font-weight: 700;
}

.feature-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 26px;
}

.feature-list {
    list-style: none;
    display: grid;
    gap: 14px;
}

.feature-list li {
    position: relative;
    padding-left: 22px;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--primary);
}

.compact-list-card {
    margin-top: 22px;
}

.contact-section {
    background:
        radial-gradient(circle at 8% 12%, rgba(0, 160, 62, 0.08), transparent 20%),
        linear-gradient(180deg, #f6faf6 0%, #eef4ef 100%);
}

.contact-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
}

.contact-copy {
    position: sticky;
    top: 104px;
}

.contact-meta {
    display: grid;
    gap: 8px;
    margin-top: 22px;
}

.contact-meta strong {
    color: var(--text-main);
}

.contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.contact-art {
    margin-top: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
}

.input {
    width: 100%;
    min-height: 50px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(24, 35, 45, 0.12);
    background: #fbfcfb;
    color: var(--text-main);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.input:focus {
    outline: none;
    border-color: rgba(0, 160, 62, 0.52);
    box-shadow: 0 0 0 4px rgba(0, 160, 62, 0.08);
    background: #ffffff;
}

.textarea {
    min-height: 132px;
    resize: vertical;
}

.hint {
    margin-top: 8px;
    font-size: 12px;
}

.form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.site-footer {
    padding: 24px 0 34px;
    color: var(--text-soft);
}

.footer-links {
    display: flex;
    gap: 20px;
}

@media (max-width: 1080px) {
    .hero-layout,
    .section-grid,
    .split-layout,
    .split-layout-reverse,
    .contact-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .contact-copy {
        position: static;
    }

    .large-art {
        max-width: none;
    }
}

@media (max-width: 820px) {
    .site-nav {
        position: absolute;
        top: 78px;
        left: 16px;
        right: 16px;
        display: grid;
        gap: 14px;
        padding: 18px;
        background: rgba(13, 23, 21, 0.98);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 22px;
        transform: translateY(-16px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .site-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-button {
        margin-left: 0;
    }

    .nav-toggle {
        display: block;
    }

    .cards-grid,
    .feature-columns,
    .form-row,
    .hero-metrics {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 640px) {
    .section-dark,
    .section-block {
        padding: 72px 0;
    }

    .hero-copy h1 {
        max-width: 100%;
        font-size: clamp(2.5rem, 10vw, 3.4rem);
    }

    .info-card,
    .list-card,
    .step-card,
    .form-card,
    .section-art {
        padding: 20px;
    }

    .step-card {
        grid-template-columns: 1fr;
    }

    .footer-shell {
        flex-direction: column;
        align-items: flex-start;
    }
}