:root {
    --navy: #0b1f33;
    --ink: #172334;
    --muted: #5d6978;
    --line: #dfe6ec;
    --soft: #f5f8f7;
    --white: #ffffff;
    --teal: #0f817d;
    --green: #6c9b45;
    --coral: #e36d47;
    --gold: #c89a3c;
    --shadow: 0 18px 45px rgba(11, 31, 51, 0.10);
    --radius: 8px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.65;
}

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

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

a:hover,
a:focus {
    color: var(--teal);
}

h1,
h2,
h3 {
    margin: 0 0 16px;
    color: var(--navy);
    line-height: 1.15;
    letter-spacing: 0;
}

h1 {
    font-size: 52px;
    max-width: 920px;
}

h2 {
    font-size: 34px;
}

h3 {
    font-size: 21px;
}

p {
    margin: 0 0 18px;
}

.container {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
}

.narrow {
    max-width: 820px;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 8px;
    z-index: 1000;
    background: var(--navy);
    color: var(--white);
    padding: 10px 14px;
}

.skip-link:focus {
    left: 8px;
}

.utility-bar {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.86);
    font-size: 13px;
}

.utility-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 38px;
}

.utility-inner a {
    color: var(--white);
    font-weight: 700;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}

.nav-bar {
    min-height: 78px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--navy);
}

.brand-mark {
    width: 44px;
    height: 44px;
    display: inline-grid;
    place-items: center;
    background: var(--navy);
    color: var(--white);
    border-radius: var(--radius);
    font-weight: 800;
}

.brand-text {
    display: grid;
    gap: 2px;
}

.brand-text strong {
    font-size: 18px;
    line-height: 1.1;
}

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

.primary-nav {
    margin-left: auto;
}

.menu,
.footer-menu {
    display: flex;
    align-items: center;
    gap: 22px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu a {
    color: var(--ink);
    font-weight: 700;
    font-size: 14px;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 18px;
    border: 1px solid var(--teal);
    color: var(--teal);
    font-weight: 800;
    border-radius: var(--radius);
}

.header-cta:hover {
    color: var(--white);
    background: var(--teal);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: var(--radius);
    padding: 9px;
}

.nav-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: var(--navy);
}

.hero {
    position: relative;
    min-height: 720px;
    display: flex;
    align-items: center;
    color: var(--white);
    background-image: linear-gradient(90deg, rgba(11, 31, 51, 0.84), rgba(11, 31, 51, 0.46), rgba(11, 31, 51, 0.18)), var(--hero-image);
    background-size: cover;
    background-position: center;
}

.slim-hero {
    min-height: 540px;
}

.hero h1,
.hero h2 {
    color: var(--white);
}

.hero-content {
    padding: 88px 0 72px;
}

.hero-copy {
    max-width: 720px;
    font-size: 19px;
    color: rgba(255, 255, 255, 0.88);
}

.eyebrow {
    color: var(--teal);
    font-weight: 900;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0;
    margin-bottom: 12px;
}

.hero .eyebrow,
.band-dark .eyebrow,
.cta-band .eyebrow {
    color: #9ee0d5;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 48px;
    padding: 0 22px;
    border-radius: var(--radius);
    font-weight: 900;
    border: 1px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background: #c95432;
    color: var(--white);
}

.btn-secondary {
    background: var(--white);
    color: var(--navy);
    border-color: var(--line);
}

.btn-secondary:hover,
.btn-secondary:focus {
    border-color: var(--teal);
    color: var(--teal);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    max-width: 880px;
    margin-top: 48px;
    background: rgba(255, 255, 255, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-metrics div {
    padding: 18px;
    background: rgba(11, 31, 51, 0.46);
}

.hero-metrics strong {
    display: block;
    color: var(--white);
    font-size: 24px;
}

.hero-metrics span {
    color: rgba(255, 255, 255, 0.78);
    font-size: 13px;
}

.section {
    padding: 88px 0;
}

.section-tight {
    padding-top: 72px;
}

.band-light {
    background: var(--soft);
}

.band-dark {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.82);
}

.band-dark h2,
.band-dark h3 {
    color: var(--white);
}

.intro-grid,
.split-layout,
.process-grid,
.faq-grid,
.contact-split,
.content-with-sidebar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
}

.reverse {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
}

.section-head {
    max-width: 760px;
    margin-bottom: 34px;
}

.feature-grid,
.product-card-grid,
.article-grid,
.material-grid,
.cert-grid,
.gallery-grid {
    display: grid;
    gap: 20px;
}

.feature-grid.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card-grid,
.article-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.material-grid,
.cert-grid,
.gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.product-card,
.article-card,
.contact-panel,
.article-sidebar,
.sidebar-cta,
.material-grid article,
.cert-grid article,
.gallery-grid figure {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    padding: 24px;
    box-shadow: 0 8px 22px rgba(11, 31, 51, 0.04);
}

.feature-card p,
.product-card p,
.article-card p {
    color: var(--muted);
}

.icon-badge {
    width: 38px;
    height: 38px;
    display: inline-grid;
    place-items: center;
    margin-bottom: 16px;
    color: var(--white);
    background: var(--teal);
    border-radius: var(--radius);
    font-weight: 900;
    font-size: 13px;
}

.text-link {
    color: var(--teal);
    font-weight: 900;
}

.text-link::after {
    content: " ->";
}

.image-mosaic {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.image-mosaic img,
.rounded-media,
.material-grid img,
.gallery-grid img {
    border-radius: var(--radius);
    width: 100%;
    object-fit: cover;
    box-shadow: var(--shadow);
}

.image-mosaic img {
    height: 220px;
}

.rounded-media {
    max-height: 560px;
}

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

.check-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    color: var(--ink);
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--green);
}

.process-img {
    width: 100%;
    padding: 18px;
    background: var(--white);
    border-radius: var(--radius);
}

.cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 24px 0;
}

.cert-badges span {
    padding: 8px 12px;
    background: #eaf4ef;
    color: #2e6f43;
    border: 1px solid #cde6d8;
    border-radius: var(--radius);
    font-weight: 800;
    font-size: 13px;
}

.logo-strip {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 14px;
    align-items: center;
}

.logo-strip span {
    min-height: 74px;
    display: grid;
    place-items: center;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
}

.logo-strip img {
    max-height: 44px;
    width: auto;
}

.post-date {
    color: var(--gold);
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
}

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

details {
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: var(--radius);
    padding: 18px 20px;
}

summary {
    cursor: pointer;
    font-weight: 900;
    color: var(--navy);
}

details p {
    margin: 14px 0 0;
    color: var(--muted);
}

.cta-band {
    background: var(--navy);
    color: var(--white);
    padding: 56px 0;
}

.cta-band h2 {
    color: var(--white);
}

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

.page-hero,
.article-hero {
    padding: 86px 0 70px;
    background: linear-gradient(180deg, #f5f8f7, #ffffff);
    border-bottom: 1px solid var(--line);
}

.page-hero p,
.article-hero p {
    max-width: 760px;
    color: var(--muted);
}

.content-body {
    font-size: 18px;
}

.content-body h2 {
    margin-top: 34px;
}

.content-body a {
    color: var(--teal);
    font-weight: 800;
}

.content-with-sidebar {
    align-items: start;
    grid-template-columns: minmax(0, 1fr) 340px;
}

.article-sidebar,
.sidebar-cta {
    position: sticky;
    top: 120px;
}

.article-sidebar .btn,
.sidebar-cta .btn {
    width: 100%;
    margin-top: 10px;
}

.quote-form {
    display: grid;
    gap: 18px;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.quote-form label {
    display: grid;
    gap: 7px;
    color: var(--navy);
    font-weight: 800;
    font-size: 14px;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
    width: 100%;
    border: 1px solid #cbd5de;
    border-radius: var(--radius);
    padding: 12px 13px;
    color: var(--ink);
    font: inherit;
    background: var(--white);
}

.quote-form textarea {
    resize: vertical;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
    outline: 2px solid rgba(15, 129, 125, 0.20);
    border-color: var(--teal);
}

.hidden-field {
    position: absolute;
    left: -9999px;
    height: 1px;
    overflow: hidden;
}

.notice-success,
.notice-error {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: var(--radius);
    font-weight: 800;
}

.notice-success {
    background: #eaf6ef;
    color: #24633d;
    border: 1px solid #cfe8d8;
}

.notice-error {
    background: #fff0ea;
    color: #a74424;
    border: 1px solid #f1c2ae;
}

.material-grid article,
.cert-grid article,
.gallery-grid figure {
    padding: 0;
    overflow: hidden;
}

.material-grid img,
.gallery-grid img {
    height: 230px;
    border-radius: 0;
    box-shadow: none;
}

.material-grid h3,
.material-grid p,
.cert-grid h3,
.gallery-grid figcaption {
    padding-left: 20px;
    padding-right: 20px;
}

.material-grid h3,
.cert-grid h3 {
    margin-top: 18px;
}

.material-grid p {
    color: var(--muted);
    padding-bottom: 20px;
}

.cert-grid img {
    width: 100%;
    height: 260px;
    object-fit: contain;
    padding: 18px;
    background: #f8fafb;
    border-bottom: 1px solid var(--line);
}

.cert-grid h3,
.gallery-grid figcaption {
    margin: 0;
    padding-top: 16px;
    padding-bottom: 18px;
    font-weight: 900;
}

.pagination-wrap {
    margin-top: 36px;
}

.pagination .nav-links {
    display: flex;
    gap: 10px;
}

.page-numbers {
    display: inline-grid;
    min-width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-weight: 800;
}

.page-numbers.current {
    background: var(--navy);
    color: var(--white);
}

.site-footer {
    background: #081725;
    color: rgba(255, 255, 255, 0.78);
    padding: 64px 0 24px;
}

.site-footer h2,
.site-footer strong {
    color: var(--white);
}

.site-footer h2 {
    font-size: 17px;
    margin-bottom: 14px;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.2fr 0.8fr;
    gap: 36px;
}

.footer-brand .brand-mark {
    background: var(--white);
    color: var(--navy);
}

.footer-brand .brand-text strong,
.footer-brand .brand-text small {
    color: var(--white);
}

.footer-menu {
    display: grid;
    gap: 8px;
    align-items: start;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 13px;
}

.whatsapp-float {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 120;
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #25d366;
    color: #062313;
    font-weight: 900;
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.22);
}

.whatsapp-float:hover {
    color: #062313;
    transform: translateY(-2px);
}

@media (max-width: 1100px) {
    h1 {
        font-size: 42px;
    }

    .header-cta {
        display: none;
    }

    .logo-strip {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 920px) {
    .utility-inner {
        justify-content: center;
        text-align: center;
        flex-wrap: wrap;
        padding: 8px 0;
    }

    .nav-bar {
        min-height: 68px;
    }

    .nav-toggle {
        display: block;
        margin-left: auto;
    }

    .primary-nav {
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        display: none;
        background: var(--white);
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow);
    }

    .primary-nav.is-open {
        display: block;
    }

    .menu {
        display: grid;
        gap: 0;
        padding: 12px 20px 18px;
    }

    .menu a {
        display: block;
        padding: 12px 0;
    }

    .hero {
        min-height: 620px;
    }

    .hero-metrics,
    .feature-grid.four,
    .feature-grid.three,
    .product-card-grid,
    .article-grid,
    .material-grid,
    .cert-grid,
    .gallery-grid,
    .intro-grid,
    .split-layout,
    .process-grid,
    .faq-grid,
    .contact-split,
    .content-with-sidebar,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .reverse {
        grid-template-columns: 1fr;
    }

    .article-sidebar,
    .sidebar-cta {
        position: static;
    }

    .cta-inner {
        display: grid;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, var(--container));
    }

    h1 {
        font-size: 34px;
    }

    h2 {
        font-size: 28px;
    }

    .hero-content {
        padding: 72px 0 58px;
    }

    .hero-copy,
    .content-body {
        font-size: 16px;
    }

    .hero-metrics,
    .form-grid,
    .image-mosaic,
    .logo-strip {
        grid-template-columns: 1fr 1fr;
    }

    .section {
        padding: 64px 0;
    }

    .page-hero,
    .article-hero {
        padding: 64px 0 54px;
    }

    .button-row {
        display: grid;
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
    }

    .footer-bottom {
        display: grid;
    }
}

@media (max-width: 430px) {
    .hero-metrics,
    .form-grid,
    .image-mosaic,
    .logo-strip {
        grid-template-columns: 1fr;
    }

    .brand-text small {
        display: none;
    }
}