/*
Responsive scale policy
-----------------------
Desktop / standard monitor: 769px and wider (base rules)
Mobile: 768px and narrower (single override block)
There are intentionally no separate tablet or small-phone breakpoints.
*/

:root {
    --navy-950: #00142b;
    --navy-900: #031d3a;
    --navy-850: #062746;
    --navy-800: #0a3158;
    --orange: #f04b0d;
    --orange-dark: #d93e00;
    --ink: #071936;
    --muted: #5d6878;
    --line: #dce3ea;
    --surface: #ffffff;
    --page: #f4f7fa;
    --page-width: 1380px;
    --header-height: 86px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 122px;
}

body {
    min-width: 320px;
    color: var(--ink);
    background:
        radial-gradient(circle at 92% 7%, rgba(8, 71, 119, 0.08), transparent 26%),
        var(--page);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

body::before {
    height: 30px;
    padding: 0 max(24px, calc((100% - var(--page-width)) / 2));
    display: flex;
    align-items: center;
    color: #ffffff;
    background: linear-gradient(90deg, #001b39, #00132a);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1px;
}

img {
    max-width: 100%;
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

.utility-bar {
    padding: 0 max(24px, calc((100% - var(--page-width)) / 2));
    background: linear-gradient(90deg, #001b39, #00132a);
    color: #fff;
    font-size: 12px;
}

.utility-bar__inner {
    width: 100%;
    min-height: 30px;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.utility-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.utility-links a {
    text-decoration: none;
    padding: 0 13px;
    border-right: 1px solid rgba(255, 255, 255, .55);
}

.utility-links a:last-child {
    padding-right: 0;
    border-right: 0;
}

.utility-links a:hover {
    color: #ffb292;
}
/* =========================================================
   Header and navigation
   ========================================================= */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: var(--header-height);
    padding: 0 max(24px, calc((100% - var(--page-width)) / 2));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid #e3e8ee;
    box-shadow: 0 4px 16px rgba(0, 20, 48, 0.08);
    backdrop-filter: blur(10px);
}

.logo {
    min-width: 315px;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    color: #08183e;
    text-decoration: none;
}

.brand__name {
    color: #08183e;
    font-size: 25px;
    font-weight: 800;
    line-height: .92;
    letter-spacing: .4px;
}

.logo-icon {
    width: 112px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

header > nav {
    margin-left: auto;
}

header > nav > ul {
    display: flex;
    align-items: center;
    gap: 5px;
    list-style: none;
}

header > nav > ul > li {
    position: relative;
}

header > nav > ul > li > a {
    position: relative;
    min-height: var(--header-height);
    padding: 0 18px;
    display: inline-flex;
    align-items: center;
    color: var(--ink);
    text-decoration: none;
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    white-space: nowrap;
    transition: color 0.2s ease, background-color 0.2s ease;
}

header > nav > ul > li > a:hover,
header > nav > ul > li.dropdown.active > a {
    color: var(--orange);
}

header > nav > ul > li:nth-last-child(2) > a::before {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 14px;
    height: 3px;
    background: var(--orange);
}

header > nav > ul > li:last-child > a {
    min-height: 42px;
    margin-left: 8px;
    padding: 0 22px;
    color: #ffffff;
    background: linear-gradient(180deg, #f65b11, #e74500);
    border-radius: 4px;
    box-shadow: 0 5px 12px rgba(228, 68, 0, 0.2);
}

header > nav > ul > li:last-child > a:hover {
    color: #ffffff;
    background: var(--orange-dark);
}

.dropdown-toggle::after {
    content: "▾";
    margin-left: 7px;
    font-size: 10px;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% - 8px);
    left: 50%;
    width: 245px;
    padding: 9px;
    display: block;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 10px);
    background: #ffffff;
    border: 1px solid #e4e9ef;
    border-radius: 6px;
    box-shadow: 0 18px 38px rgba(0, 20, 48, 0.18);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 10px 12px;
    color: var(--ink);
    text-decoration: none;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    color: var(--orange);
    background: #f2f5f8;
}


/* =========================================================
   Product datasheet catalog
   ========================================================= */
.products-catalog {
    padding: 78px max(24px, calc((100% - var(--page-width)) / 2)) 96px;
}

.products-catalog__inner {
    width: 100%;
    margin: 0 auto;
}

.products-catalog__intro {
    max-width: 760px;
    margin-bottom: 58px;
}

.products-catalog__eyebrow {
    margin-bottom: 10px;
    color: var(--orange);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.products-catalog__intro h1 {
    margin-bottom: 14px;
    color: var(--navy-950);
    font-size: clamp(38px, 5vw, 64px);
    line-height: 1;
    letter-spacing: -0.035em;
}

.products-catalog__intro > p:last-child {
    color: var(--muted);
    font-size: 17px;
}

.catalog-group {
    margin-top: 62px;
}

.catalog-group__heading {
    margin-bottom: 24px;
    padding-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-bottom: 1px solid var(--line);
}

.catalog-group__number {
    min-width: 42px;
    color: var(--orange);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.catalog-group__heading h2 {
    color: var(--navy-950);
    font-size: clamp(25px, 3vw, 36px);
    line-height: 1.1;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 24px;
    align-items: stretch;
}

.catalog-card {
    min-width: 0;
    min-height: 330px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 20, 48, 0.06);
    text-decoration: none;
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.catalog-card:hover,
.catalog-card:focus-visible {
    transform: translateY(-5px);
    border-color: rgba(240, 75, 13, 0.48);
    box-shadow: 0 18px 36px rgba(0, 20, 48, 0.13);
    outline: none;
}

.catalog-card__body {
    min-height: 92px;
    padding: 20px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap-reverse;
}

.catalog-card__body h3 {
    display: flex;
    min-width: 0;
    color: var(--navy-950);
    font-size: 19px;
    line-height: 1.2;
}

.catalog-card__download {
    /* flex: 0 0 auto; */
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--orange-dark);
    font-size: 12px;
    font-weight: 800;
    white-space: nowrap;
    text-transform: uppercase;
}

.catalog-card__download::before {
    content: "↓";
    width: 25px;
    height: 25px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    background: var(--orange);
    border-radius: 50%;
    font-size: 15px;
    line-height: 1;
}

.catalog-card:hover .catalog-card__download::before,
.catalog-card:focus-visible .catalog-card__download::before {
    background: var(--orange-dark);
}

/* =========================================================
   Footer
   ========================================================= */
footer {
    padding: 54px 30px 24px;
    color: #dce7f2;
    background: linear-gradient(135deg, #062746, #00142b 76%);
    border-top: 4px solid var(--orange);
}

.footer-content {
    width: min(var(--page-width), 100%);
    margin: 0 auto 34px;
    display: grid;
    grid-template-columns: 1.2fr repeat(4, 1fr);
    gap: 34px;
}

.footer-logo-section,
.footer-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 13px;
}

.footer-logo img {
    width: 62px;
    height: 62px;
    object-fit: contain;
}

.footer-social {
    display: flex;
    gap: 9px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 4px;
    text-decoration: none;
    font-weight: 800;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.footer-social a:hover {
    background: var(--orange);
    border-color: var(--orange);
}

.footer-section h4 {
    margin: 0 0 4px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 9px;
    list-style: none;
}

.footer-section a {
    color: #b9c9d9;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: #ff9a70;
}

.footer-bottom {
    width: min(var(--page-width), 100%);
    margin: 0 auto;
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    gap: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.footer-copyright,
.footer-description {
    margin: 0;
    color: #9fb1c3;
    font-size: 12px;
}

.footer-description {
    max-width: 680px;
    text-align: right;
}

/* =========================================================
   Responsive
   ========================================================= */

/* =========================================================
   Unified mobile scale
   ========================================================= */
@media (max-width: 768px) {
.logo {
        min-width: 250px;
    }

    .logo::after {
        font-size: 20px;
    }

    header > nav > ul > li > a {
        padding-inline: 12px;
        font-size: 12px;
    }

body::before {
        justify-content: center;
    }

    header {
        position: relative;
        padding-block: 16px;
        flex-direction: column;
        gap: 10px;
    }

    .logo {
        min-width: 0;
    }

    header > nav {
        margin-left: 0;
        width: 100%;
    }

    header > nav > ul {
        justify-content: center;
        flex-wrap: wrap;
    }

    header > nav > ul > li > a {
        min-height: 42px;
    }

    header > nav > ul > li:nth-last-child(2) > a::before {
        bottom: 2px;
    }

    .dropdown-menu {
        top: 100%;
    }

    .footer-content {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-logo-section {
        grid-column: 1 / -1;
    }

body::before {
        height: 28px;
        padding-inline: 18px;
        font-size: 11px;
    }

    header {
        padding-inline: 18px;
    }

    .logo-icon {
        width: 88px;
        height: 48px;
    }

    .logo::after {
        font-size: 17px;
    }

    header > nav > ul > li > a {
        padding-inline: 9px;
        font-size: 11px;
    }

    header > nav > ul > li:last-child > a {
        margin-left: 0;
        padding-inline: 14px;
    }

    .dropdown-menu {
        left: 0;
        width: min(245px, calc(100vw - 36px));
        transform: translate(0, 10px);
    }

    .dropdown:hover .dropdown-menu,
    .dropdown.active .dropdown-menu {
        transform: translate(0, 0);
    }

    footer {
        padding: 42px 20px 22px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }

    .footer-description {
        text-align: left;
    }


    .products-catalog {
        padding: 54px 18px 70px;
    }

    .products-catalog__intro {
        margin-bottom: 42px;
    }

    .products-catalog__intro > p:last-child {
        font-size: 15px;
    }

    .catalog-group {
        margin-top: 48px;
    }

    .catalog-group__heading {
        margin-bottom: 18px;
    }

    .catalog-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .catalog-card {
        min-height: 0;
    }

    .catalog-card__image {
        min-height: 215px;
    }

    .catalog-card__body {
        min-height: 86px;
        padding: 18px;
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }
}