:root {
    --green: #0a8f61;
    --green-dark: #046343;
    --green-soft: #dff7ec;
    --ink: #111827;
    --muted: #667085;
    --line: #e5e7eb;
    --soft: #f5f8f6;
    --white: #ffffff;
    --shadow-soft: 0 18px 50px rgba(15, 23, 42, 0.08);
    --shadow-strong: 0 28px 90px rgba(15, 23, 42, 0.16);
    --radius-xl: 32px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --transition-fast: 0.24s ease;
    --transition-slow: 0.42s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(10, 143, 97, 0.06), transparent 22%),
        linear-gradient(180deg, #fbfdfc 0%, #f5f8f6 100%);
    line-height: 1.65;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
}

.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 60;
    display: grid;
    grid-template-columns: auto minmax(140px, 1fr) auto;
    align-items: center;
    gap: 24px;
    padding: 0 4.6vw;
    min-height: 76px;
    background: rgba(255, 255, 255, 0.78);
    border-bottom: 1px solid rgba(17, 24, 39, 0.08);
    backdrop-filter: blur(18px);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: auto;
}

.header-tools {
    display: flex;
    align-items: center;
    gap: 14px;
}

.social-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 6px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(17, 24, 39, 0.08);
    border-radius: 999px;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.social-link img {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.social-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 28px rgba(15, 23, 42, 0.14);
}

.social-link.is-disabled {
    opacity: 0.42;
    cursor: not-allowed;
}

.lang-switch {
    position: relative;
    flex: 0 0 auto;
}

.lang-switch summary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 42px;
    padding: 0 16px;
    color: var(--green-dark);
    list-style: none;
    cursor: pointer;
    background: rgba(10, 143, 97, 0.08);
    border: 1px solid rgba(10, 143, 97, 0.18);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
    transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.lang-switch summary::-webkit-details-marker {
    display: none;
}

.lang-switch summary:hover {
    background: rgba(10, 143, 97, 0.12);
    border-color: rgba(10, 143, 97, 0.26);
    transform: translateY(-1px);
}

.lang-switch[open] summary {
    color: #fff;
    background: linear-gradient(135deg, var(--green), #12ba7f);
    border-color: transparent;
    box-shadow: 0 14px 28px rgba(10, 143, 97, 0.22);
}

.lang-switch-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    min-width: 180px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(17, 24, 39, 0.08);
    border-radius: 18px;
    box-shadow: var(--shadow-strong);
}

.lang-switch-menu a {
    display: flex;
    align-items: center;
    min-height: 42px;
    padding: 0 14px;
    color: var(--ink);
    text-decoration: none;
    border-radius: 12px;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.lang-switch-menu a:hover {
    color: var(--green-dark);
    background: var(--green-soft);
}

.brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--green);
    font-weight: 900;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--green), #11b77d);
    border-radius: 50%;
    box-shadow: 0 14px 28px rgba(10, 143, 97, 0.28);
    font-size: 13px;
    letter-spacing: -0.04em;
}

.brand-name,
.footer-brand-name {
    max-width: 360px;
    overflow: hidden;
    font-size: clamp(18px, 2.2vw, 28px);
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: clamp(18px, 3vw, 46px);
    color: #0f172a;
    font-size: 14px;
    font-weight: 700;
}

.main-nav a {
    position: relative;
    padding: 6px 0;
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.main-nav a::after {
    position: absolute;
    right: 0;
    bottom: -4px;
    left: 0;
    height: 2px;
    content: "";
    background: linear-gradient(90deg, var(--green), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

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

.main-nav a.active::after,
.main-nav a:hover::after {
    transform: scaleX(1);
}

.hero {
    position: relative;
    min-height: 100vh;
    margin: 0;
    overflow: hidden;
    background: #111;
}

.hero-home {
    display: block;
}

.hero-copy-wrap {
    position: absolute;
    top: 112px;
    left: clamp(18px, 5vw, 72px);
    z-index: 4;
    max-width: min(440px, calc(100vw - 36px));
}

.hero-copy {
    padding: 24px 24px 26px;
    color: #fff;
    background: rgba(4, 14, 11, 0.46);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 28px;
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-strong);
}

.hero h1 {
    max-width: 360px;
    margin: 0 0 14px;
    font-size: clamp(34px, 5vw, 62px);
    line-height: 0.98;
    letter-spacing: -0.05em;
}

.hero .subtitle {
    max-width: 320px;
    margin: 0 0 10px;
    color: #fff;
    font-size: clamp(15px, 1.6vw, 20px);
    font-weight: 700;
}

.hero-copy > p:not(.eyebrow):not(.subtitle) {
    max-width: 350px;
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--green);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.hero .eyebrow {
    color: rgba(255, 255, 255, 0.88);
}

.hero-visual,
.hero-carousel,
.hero-slide {
    position: absolute;
    inset: 0;
}

.hero-carousel {
    overflow: hidden;
    background: #111;
}

.hero-slide {
    display: block;
    margin: 0;
    opacity: 0;
    transform: scale(1.035);
    transition: opacity 0.8s ease, transform 3.8s ease;
}

.hero-slide.active {
    opacity: 1;
    transform: scale(1);
}

.hero-slide::after {
    position: absolute;
    inset: 0;
    content: "";
    background:
        linear-gradient(110deg, rgba(0, 0, 0, 0.56), rgba(0, 0, 0, 0.14) 46%, rgba(0, 0, 0, 0.1)),
        linear-gradient(0deg, rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0) 40%);
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.hero-slide figcaption {
    position: absolute;
    right: 5vw;
    bottom: 8vh;
    z-index: 2;
    display: grid;
    max-width: 300px;
    gap: 8px;
    padding: 16px 18px;
    color: #fff;
    text-align: right;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 18px;
    backdrop-filter: blur(12px);
}

.hero-slide figcaption span {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.hero-slide figcaption strong {
    font-size: clamp(15px, 1.8vw, 24px);
    line-height: 1.2;
}

.carousel-dots {
    position: absolute;
    right: 5vw;
    bottom: 4vh;
    z-index: 4;
    display: flex;
    gap: 12px;
}

.carousel-dots button {
    width: 46px;
    height: 4px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.4);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.carousel-dots button.active {
    background: #fff;
    transform: scaleX(1.08);
}

.btn,
.card-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 50px;
    margin-top: 20px;
    padding: 0 26px;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast),
        background var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast);
}

.btn span,
.card-link span {
    position: relative;
    z-index: 1;
}

.btn i,
.card-link i {
    font-style: normal;
    transition: transform var(--transition-fast);
}

.btn:hover,
.card-link:hover {
    transform: translateY(-3px);
}

.btn:hover i,
.card-link:hover i {
    transform: translateX(4px);
}

.btn:active,
.card-link:active,
.back-to-top:active {
    transform: translateY(0) scale(0.98);
}

.btn.primary {
    color: #fff;
    background: linear-gradient(135deg, var(--green), #12ba7f);
    border: 1px solid transparent;
    box-shadow: 0 18px 32px rgba(10, 143, 97, 0.28);
}

.btn.primary:hover {
    box-shadow: 0 22px 40px rgba(10, 143, 97, 0.36);
}

.btn.ghost {
    color: var(--green);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(10, 143, 97, 0.2);
    box-shadow: var(--shadow-soft);
}

.btn.ghost:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--green), #12ba7f);
    border-color: transparent;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(180px, 1fr));
    gap: 22px;
    margin: 0 4.6vw;
    padding: 38px 0 28px;
    background: transparent;
}

.business-card {
    min-height: 430px;
    padding: 0 0 32px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(17, 24, 39, 0.06);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.business-card:hover {
    z-index: 2;
    transform: translateY(-10px);
    border-color: rgba(10, 143, 97, 0.22);
    box-shadow: var(--shadow-strong);
}

.business-card img {
    display: block;
    width: 100%;
    height: 230px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.business-card:hover img {
    transform: scale(1.05);
}

.business-card .eyebrow,
.business-card h2,
.business-card p,
.business-card .card-link {
    margin-right: 24px;
    margin-left: 24px;
}

.business-card .eyebrow {
    margin-top: 24px;
}

.business-card h2 {
    margin-top: 0;
    margin-bottom: 12px;
    color: var(--ink);
    font-size: clamp(22px, 2vw, 30px);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.business-card p {
    color: var(--muted);
}

.card-link {
    justify-content: flex-start;
    min-height: 0;
    margin-top: 16px;
    padding: 0;
    color: var(--green);
    background: transparent;
    border: 0;
}

.content-section {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
    gap: 6vw;
    align-items: center;
    margin: 0 4.6vw 28px;
    padding: 88px 5vw;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(17, 24, 39, 0.05);
    border-radius: 36px;
    box-shadow: var(--shadow-soft);
}

.content-section.soft {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(240, 247, 243, 0.96));
}

.content-section img {
    width: 100%;
    min-height: 430px;
    object-fit: cover;
    border-radius: 28px;
    box-shadow: 0 24px 72px rgba(15, 23, 42, 0.14);
    transition: transform var(--transition-slow), box-shadow var(--transition-fast);
}

.content-section:hover img {
    transform: translateY(-6px);
    box-shadow: 0 30px 82px rgba(15, 23, 42, 0.18);
}

.content-section.image-left img {
    order: -1;
}

.content-section.image-hidden {
    grid-template-columns: minmax(0, 1fr);
}

.content-section.layout-wide {
    grid-template-columns: minmax(0, 1fr);
}

.content-section.layout-wide img {
    max-height: 560px;
}

.content-section.layout-card {
    padding: 58px;
}

.content-section h2,
.contact-layout h2 {
    margin: 0 0 18px;
    color: var(--ink);
    font-size: clamp(34px, 4.6vw, 64px);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.subtitle {
    color: var(--green);
    font-size: 20px;
    font-weight: 800;
}

.page-grid {
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    margin-bottom: 88px;
}

.page-grid .business-card {
    min-height: 460px;
}

.page-grid .business-card img {
    height: 260px;
}

.contact-layout {
    display: grid;
    grid-template-columns: 0.9fr 1fr;
    gap: 52px;
    margin: 0 4.6vw 36px;
    padding: 88px 5vw;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(240, 247, 243, 0.96));
    border: 1px solid rgba(17, 24, 39, 0.05);
    border-radius: 36px;
    box-shadow: var(--shadow-soft);
}

.contact-form,
.install-card {
    display: grid;
    gap: 16px;
    padding: 34px;
    background: #fff;
    border: 1px solid rgba(17, 24, 39, 0.06);
    border-radius: 28px;
    box-shadow: var(--shadow-soft);
}

label {
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

input,
textarea,
select {
    width: 100%;
    padding: 13px 14px;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 16px;
    font: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    border-color: rgba(10, 143, 97, 0.45);
    outline: none;
    box-shadow: 0 0 0 4px rgba(10, 143, 97, 0.12);
}

button {
    cursor: pointer;
    font: inherit;
}

.notice {
    padding: 12px 14px;
    color: var(--green-dark);
    background: #e8f7ee;
    border: 1px solid #c3e6cf;
    border-radius: 16px;
}

.site-footer {
    position: relative;
    margin-top: 26px;
    padding: 0 4.6vw 36px;
}

.footer-shell {
    display: grid;
    grid-template-columns: minmax(240px, 1.1fr) minmax(0, 2fr);
    gap: 40px;
    padding: 44px 42px;
    color: #dfe8e3;
    background: linear-gradient(135deg, #052a1d 0%, #0b3f2f 55%, #0a2f23 100%);
    border-radius: 34px 34px 0 0;
    box-shadow: var(--shadow-strong);
}

.footer-brand-block {
    display: grid;
    align-content: start;
    gap: 18px;
}

.footer-brand {
    color: #fff;
}

.footer-brand-text {
    max-width: 300px;
    margin: 0;
    color: rgba(223, 232, 227, 0.78);
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.footer-column h3 {
    margin: 0 0 16px;
    color: #fff;
    font-size: 20px;
}

.footer-column ul {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.footer-column a,
.footer-column span {
    color: rgba(223, 232, 227, 0.82);
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-column a:hover {
    color: #fff;
    transform: translateX(3px);
}

.footer-contact-column span,
.footer-contact-column a {
    display: inline-flex;
}

.footer-bottom-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 30px 0;
    color: #5b6b63;
    background: #fff;
    border-radius: 0 0 30px 30px;
}

.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 62;
    display: inline-flex;
    width: 52px;
    height: 52px;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient(135deg, var(--green), #11b77d);
    border: 0;
    border-radius: 50%;
    box-shadow: 0 16px 32px rgba(10, 143, 97, 0.28);
    opacity: 0;
    pointer-events: none;
    transform: translateY(18px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.back-to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.back-to-top:hover {
    box-shadow: 0 20px 38px rgba(10, 143, 97, 0.36);
}

.installer-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 24px;
    background: var(--soft);
}

.install-card {
    max-width: 720px;
}

.credential-box {
    padding: 16px;
    background: #111f19;
    color: #fff;
    border-radius: 18px;
}

@media (max-width: 1200px) {
    .business-grid {
        grid-template-columns: repeat(3, minmax(220px, 1fr));
    }

    .page-grid {
        grid-template-columns: repeat(2, minmax(240px, 1fr));
    }

    .footer-shell {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1100px) {
    .content-section,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .content-section.image-left img {
        order: initial;
    }

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

@media (max-width: 720px) {
    .site-header {
        display: flex;
        min-height: 0;
        height: auto;
        align-items: flex-start;
        flex-direction: column;
        padding: 18px 5vw;
    }

    .brand-name,
    .footer-brand-name {
        max-width: 230px;
    }

    .main-nav {
        flex-wrap: wrap;
        gap: 14px;
        font-size: 13px;
    }

    .header-actions {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .header-tools {
        width: 100%;
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .social-links {
        order: 0;
        width: 100%;
        justify-content: flex-start;
    }

    .social-link {
        width: 34px;
        height: 34px;
    }

    .lang-switch-menu {
        right: auto;
        left: 0;
    }

    .hero {
        min-height: 100vh;
    }

    .hero-copy-wrap {
        top: 104px;
        left: 16px;
        right: 16px;
        max-width: none;
    }

    .hero-copy {
        padding: 20px 18px 22px;
        border-radius: 22px;
    }

    .hero h1 {
        max-width: none;
        font-size: clamp(28px, 10vw, 42px);
    }

    .hero-slide figcaption {
        right: 16px;
        bottom: 92px;
        max-width: calc(100vw - 32px);
        padding: 14px 16px;
    }

    .carousel-dots {
        right: 16px;
        bottom: 42px;
    }

    .business-grid,
    .page-grid,
    .footer-links-grid {
        grid-template-columns: 1fr;
    }

    .business-grid,
    .content-section,
    .contact-layout,
    .site-footer {
        margin-right: 0;
        margin-left: 0;
    }

    .content-section,
    .contact-layout {
        margin: 0 16px 22px;
        padding: 52px 18px;
        border-radius: 24px;
    }

    .content-section.layout-card {
        padding: 28px 18px;
    }

    .footer-shell {
        padding: 30px 20px;
        border-radius: 26px 26px 0 0;
    }

    .footer-bottom-row {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 20px 0;
        border-radius: 0 0 24px 24px;
    }

    .back-to-top {
        right: 18px;
        bottom: 18px;
        width: 48px;
        height: 48px;
    }
}