:root {
    --ink: #10201d;
    --muted: #66736d;
    --line: #dce5df;
    --paper: #f7faf7;
    --white: #ffffff;
    --green: #0e302f;
    --green-2: #15594e;
    --coral: #e36f4c;
    --gold: #c89945;
    --mint: #dcefe3;
    --shadow: 0 24px 70px rgba(18, 45, 38, .16);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--paper);
    line-height: 1.6;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -80px;
    z-index: 100;
    padding: 10px 14px;
    background: var(--white);
    border: 1px solid var(--line);
}

.skip-link:focus {
    top: 16px;
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 40;
    padding: 16px;
    transition: background .25s ease, box-shadow .25s ease, padding .25s ease;
}

.site-header.is-scrolled {
    padding: 10px 16px;
    background: rgba(247, 250, 247, .92);
    box-shadow: 0 12px 38px rgba(16, 32, 29, .1);
    backdrop-filter: blur(16px);
}

.nav-shell {
    width: min(1180px, calc(100% - 20px));
    margin: 0 auto;
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 10px 12px;
    color: var(--ink);
    background: rgba(255, 255, 255, .9);
    border: 1px solid rgba(255, 255, 255, .76);
    border-radius: 8px;
    box-shadow: 0 12px 34px rgba(16, 32, 29, .12);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: max-content;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    color: var(--white);
    background: var(--green);
    border-radius: 8px;
    font-weight: 800;
}

.brand-mark img {
    width: 78%;
    height: 78%;
    object-fit: contain;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 15px;
    line-height: 1.2;
}

.brand small {
    color: var(--muted);
    font-size: 12px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links > a {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    color: #42514c;
    border-radius: 8px;
    font-size: 14px;
}

.nav-links > a:hover,
.nav-links > a.is-active {
    color: var(--green);
    background: var(--mint);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    background: var(--ink);
}

.lang-switch {
    display: inline-flex;
    padding: 3px;
    background: #edf4ef;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.lang-switch button {
    min-width: 38px;
    min-height: 34px;
    border: 0;
    border-radius: 6px;
    color: var(--muted);
    background: transparent;
    cursor: pointer;
    font-weight: 700;
    font-size: 12px;
}

.lang-switch button.is-active {
    color: var(--white);
    background: var(--green);
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.section {
    padding: 92px 0;
}

.hero {
    position: relative;
    min-height: 92vh;
    display: grid;
    align-items: end;
    overflow: hidden;
    padding: 128px 0 34px;
    color: var(--white);
}

.hero-bg,
.hero-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-bg {
    object-fit: cover;
}

.hero-overlay {
    background:
        linear-gradient(90deg, rgba(8, 26, 24, .88) 0%, rgba(8, 26, 24, .68) 42%, rgba(8, 26, 24, .18) 100%),
        linear-gradient(0deg, rgba(8, 26, 24, .72) 0%, rgba(8, 26, 24, .12) 54%);
}

.hero-content,
.hero-metrics {
    position: relative;
    z-index: 1;
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.hero-content {
    max-width: 760px;
    margin-bottom: 42px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    color: var(--coral);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0;
}

.hero .eyebrow {
    color: #ffd19f;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

.hero h1 {
    max-width: 820px;
    margin-bottom: 20px;
    font-size: clamp(42px, 7vw, 76px);
    line-height: .98;
    letter-spacing: 0;
}

.hero p {
    max-width: 680px;
    margin-bottom: 28px;
    color: rgba(255, 255, 255, .88);
    font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 22px;
}

.btn {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 800;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

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

.btn-primary {
    color: var(--white);
    background: var(--coral);
    box-shadow: 0 16px 34px rgba(227, 111, 76, .28);
}

.btn-dark {
    color: var(--white) !important;
    background: var(--green) !important;
}

.btn-ghost {
    color: var(--white);
    border-color: rgba(255, 255, 255, .45);
    background: rgba(255, 255, 255, .12);
}

.btn-outline {
    color: var(--green);
    border-color: #bfd4c9;
    background: var(--white);
}

.btn-small {
    min-height: 40px;
    padding: 8px 13px !important;
}

.hero-tags,
.keyword-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hero-tags span,
.keyword-strip span {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    padding: 7px 11px;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 8px;
    color: rgba(255, 255, 255, .9);
    background: rgba(255, 255, 255, .12);
    font-size: 13px;
    font-weight: 700;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    overflow: hidden;
    border-radius: 8px;
    background: rgba(255, 255, 255, .2);
    backdrop-filter: blur(16px);
}

.hero-metrics div {
    min-height: 116px;
    padding: 22px;
    background: rgba(255, 255, 255, .13);
}

.hero-metrics strong,
.hero-metrics span {
    display: block;
}

.hero-metrics strong {
    margin-bottom: 8px;
    font-size: 25px;
}

.hero-metrics span {
    color: rgba(255, 255, 255, .78);
    font-size: 14px;
}

.intro-band,
.process-band,
.seo-band {
    background: var(--white);
}

.intro-grid,
.seo-grid,
.faq-grid,
.solution-grid,
.process-layout {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 64px;
    align-items: start;
}

.intro-grid h2,
.section-heading h2,
.process-layout h2,
.solution-grid h2,
.seo-grid h2,
.faq-grid h2,
.final-cta h2,
.page-hero h1,
.article-hero h1 {
    margin-bottom: 16px;
    font-size: clamp(31px, 4.2vw, 50px);
    line-height: 1.05;
    letter-spacing: 0;
}

.intro-grid p,
.section-heading p,
.process-layout p,
.seo-points p,
.page-hero p,
.article-hero p {
    color: var(--muted);
    font-size: 17px;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 38px;
}

.split-heading {
    max-width: none;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
}

.split-heading > div {
    max-width: 720px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.service-card,
.price-card,
.article-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 18px 54px rgba(16, 32, 29, .07);
}

.service-card {
    min-height: 250px;
    padding: 24px;
}

.service-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    margin-bottom: 32px;
    border: 1px solid #bcd5c8;
    border-radius: 8px;
    color: var(--green);
    background: #edf7f0;
    font-weight: 900;
    font-size: 13px;
}

.service-card h3,
.timeline-item h3,
.price-card h3,
.article-card h3 {
    margin-bottom: 10px;
    font-size: 21px;
    line-height: 1.2;
}

.service-card p,
.timeline-item p,
.price-card p,
.article-card p {
    margin-bottom: 0;
    color: var(--muted);
}

.process-band {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.timeline {
    display: grid;
    gap: 12px;
}

.timeline-item {
    position: relative;
    padding: 24px 24px 24px 78px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfdfb;
}

.timeline-item > span {
    position: absolute;
    top: 24px;
    left: 24px;
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    color: var(--white);
    background: var(--green-2);
    font-weight: 900;
    font-size: 12px;
}

.solution-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.solution-list div {
    padding: 18px;
    border-left: 4px solid var(--coral);
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 14px 34px rgba(16, 32, 29, .06);
}

.solution-list strong,
.solution-list span {
    display: block;
}

.solution-list span {
    color: var(--muted);
}

.pricing-grid,
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.price-card {
    display: flex;
    flex-direction: column;
    min-height: 430px;
    padding: 28px;
}

.price-card-featured {
    color: var(--white);
    background: var(--green);
    border-color: var(--green);
}

.price-card-featured .eyebrow,
.price-card-featured p {
    color: rgba(255, 255, 255, .78);
}

.price-card ul {
    display: grid;
    gap: 10px;
    margin: 8px 0 24px;
    padding: 0;
    list-style: none;
}

.price-card li {
    position: relative;
    padding-left: 24px;
}

.price-card li::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gold);
}

.price-card .btn {
    margin-top: auto;
}

.seo-band {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.keyword-strip span {
    color: var(--green);
    border-color: #cdded5;
    background: #eef7f1;
}

.article-card {
    overflow: hidden;
}

.article-card-image {
    display: block;
    aspect-ratio: 16 / 10;
    background: #e9f0eb;
    overflow: hidden;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
}

.article-card:hover img {
    transform: scale(1.04);
}

.article-card-body {
    padding: 22px;
}

.article-card h3 a:hover,
.text-link:hover {
    color: var(--coral);
}

.text-link {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    color: var(--green-2);
    font-weight: 900;
}

.empty-state {
    padding: 38px;
    border: 1px dashed #b9cbc1;
    border-radius: 8px;
    background: var(--white);
    text-align: center;
}

.install-form {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.install-form .service-card {
    display: grid;
    gap: 14px;
}

.install-form input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 11px 12px;
}

.install-form label {
    display: grid;
    gap: 6px;
    font-weight: 800;
}

.install-form > .btn {
    grid-column: 1 / -1;
}

.faq-list {
    display: grid;
    gap: 12px;
}

details {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
}

summary {
    min-height: 62px;
    padding: 18px 22px;
    cursor: pointer;
    font-weight: 900;
}

details p {
    margin: 0;
    padding: 0 22px 22px;
    color: var(--muted);
}

.final-cta {
    color: var(--white);
    background: var(--green);
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.cta-inner h2 {
    max-width: 760px;
    margin-bottom: 0;
}

.page-hero {
    padding: 160px 0 76px;
    color: var(--white);
    background: var(--green);
}

.page-hero .container {
    max-width: 840px;
}

.page-hero p {
    max-width: 700px;
    color: rgba(255, 255, 255, .78);
}

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

.article-hero {
    padding: 160px 0 64px;
    background: var(--white);
}

.article-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(300px, .75fr);
    gap: 54px;
    align-items: center;
}

.article-hero figure {
    margin: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.article-hero img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--muted);
}

.article-meta span {
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
    font-size: 13px;
    font-weight: 800;
}

.article-content-wrap {
    display: grid;
    grid-template-columns: minmax(0, 740px);
    justify-content: center;
    padding: 68px 0;
}

.article-content {
    color: #23312d;
    font-size: 18px;
}

.article-content h2 {
    margin: 40px 0 14px;
    font-size: 30px;
    line-height: 1.16;
}

.article-content p,
.article-content ul {
    margin-bottom: 22px;
}

.article-content li {
    margin-bottom: 10px;
}

.footer {
    color: rgba(255, 255, 255, .78);
    background: #0a1f1d;
}

.footer-inner {
    width: min(1120px, calc(100% - 32px));
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 34px;
    margin: 0 auto;
    padding: 58px 0;
}

.footer h3 {
    color: var(--white);
    font-size: 16px;
}

.footer-logo-link {
    display: inline-flex;
    width: 142px;
    max-width: 100%;
    margin-bottom: 18px;
}

.footer-logo {
    width: 100%;
    height: auto;
    max-height: 178px;
    object-fit: contain;
    object-position: left center;
}

.footer p {
    margin-bottom: 12px;
}

.footer a {
    display: block;
    margin-bottom: 9px;
}

.footer a:hover {
    color: var(--white);
}

.footer-bottom {
    width: min(1120px, calc(100% - 32px));
    display: flex;
    justify-content: space-between;
    gap: 18px;
    margin: 0 auto;
    padding: 20px 0 28px;
    border-top: 1px solid rgba(255, 255, 255, .14);
    font-size: 13px;
}

.wa-float {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 50;
    min-height: 54px;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 12px 16px;
    color: var(--white);
    background: #1faf62;
    border-radius: 8px;
    box-shadow: 0 18px 42px rgba(31, 175, 98, .35);
    font-weight: 900;
}

.wa-float svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .55s ease, transform .55s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1020px) {
    .service-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .intro-grid,
    .seo-grid,
    .faq-grid,
    .solution-grid,
    .process-layout,
    .article-hero-grid {
        grid-template-columns: 1fr;
        gap: 34px;
    }

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

    .install-form {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 8px);
        left: 10px;
        right: 10px;
        display: none;
        align-items: stretch;
        flex-direction: column;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: var(--white);
        box-shadow: var(--shadow);
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links > a,
    .nav-links .btn {
        justify-content: flex-start;
        width: 100%;
    }

    .lang-switch {
        width: max-content;
    }

    .hero {
        min-height: 880px;
        align-items: end;
    }

    .hero-metrics,
    .service-grid,
    .pricing-grid,
    .article-grid,
    .article-grid-wide,
    .solution-list {
        grid-template-columns: 1fr;
    }

    .hero-metrics div {
        min-height: auto;
    }

    .split-heading,
    .cta-inner,
    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .section {
        padding: 68px 0;
    }

    .hero {
        min-height: 820px;
        padding-top: 112px;
    }

    .hero h1,
    .intro-grid h2,
    .section-heading h2,
    .process-layout h2,
    .solution-grid h2,
    .seo-grid h2,
    .faq-grid h2,
    .final-cta h2,
    .page-hero h1,
    .article-hero h1 {
        font-size: clamp(32px, 12vw, 42px);
    }

    .hero-actions .btn,
    .wa-float {
        width: 100%;
    }

    .wa-float {
        right: 12px;
        bottom: 12px;
        width: auto;
        left: 12px;
        justify-content: center;
    }

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