/* ==========================================================================
   HATCH — corporate site stylesheet
   Design system: industrial, precise, high-contrast. No framework, no build step.
   ========================================================================== */

:root {
    /* Palette */
    --ink: #0B1014;
    --ink-2: #111A21;
    --ink-3: #1B2730;
    --steel: #55636F;
    --steel-light: #7C8A96;
    --line: #E3E8EC;
    --line-2: #EDF1F4;
    --paper: #FFFFFF;
    --paper-2: #F5F7F9;
    --paper-3: #EEF2F5;
    --accent: #C8451C;
    --accent-2: #E4572E;
    --accent-soft: #FBEDE8;
    --cool: #0F6E7A;
    --cool-soft: #E6F2F3;

    /* Type */
    --font-display: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

    /* Metrics */
    --wrap: 1280px;
    --wrap-narrow: 860px;
    --radius: 2px;
    --header-h: 84px;
    --shadow-sm: 0 1px 2px rgba(11, 16, 20, .06), 0 4px 16px rgba(11, 16, 20, .04);
    --shadow-md: 0 12px 40px rgba(11, 16, 20, .10);
    --shadow-lg: 0 30px 70px rgba(11, 16, 20, .18);
    --ease: cubic-bezier(.22, .61, .36, 1);
}

/* --------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, h5 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -.02em;
    margin: 0;
    color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5.2vw, 4.3rem); letter-spacing: -.03em; }
h2 { font-size: clamp(1.85rem, 3.4vw, 2.9rem); }
h3 { font-size: clamp(1.15rem, 1.7vw, 1.4rem); letter-spacing: -.01em; }
h4 { font-size: 1.02rem; }

::selection { background: var(--accent); color: #fff; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 999;
    background: var(--ink); color: #fff; padding: 12px 20px;
}
.skip-link:focus { left: 12px; top: 12px; }

.ico { width: 18px; height: 18px; flex: 0 0 auto; vertical-align: middle; }
.ico--chev { width: 14px; height: 14px; opacity: .7; }

/* ---------------------------------------------------------- typography */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 18px;
}
.eyebrow::before {
    content: "";
    width: 28px; height: 2px;
    background: currentColor;
    display: inline-block;
}
.eyebrow--light { color: #FF7A52; }

.lead {
    font-size: clamp(1.02rem, 1.25vw, 1.16rem);
    line-height: 1.7;
    color: var(--steel);
    max-width: 62ch;
}

.muted { color: var(--steel-light); }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ------------------------------------------------------------- layout */
.container {
    width: 100%;
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 32px;
}
.container--narrow { max-width: var(--wrap-narrow); }

.section { padding: 110px 0; position: relative; }
.section--tight { padding: 76px 0; }
.section--paper { background: var(--paper-2); }
.section--dark { background: var(--ink); color: #D5DDE3; }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark .lead, .section--dark p { color: #9FAFBA; }

.section-head { max-width: 760px; margin-bottom: 54px; }
.section-head--split {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    max-width: none;
}
.section-head h2 + p { margin-top: 18px; }

/* ------------------------------------------------------------ buttons */
.btn {
    --btn-bg: var(--ink);
    --btn-fg: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 54px;
    padding: 0 28px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font-family: var(--font-display);
    font-size: .88rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform .25s var(--ease), background .25s, color .25s, border-color .25s, box-shadow .25s;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }

.btn--accent { --btn-bg: var(--accent); }
.btn--accent:hover { --btn-bg: #A93714; }
.btn--dark { --btn-bg: var(--ink); }
.btn--dark:hover { --btn-bg: var(--ink-3); }
.btn--ghost {
    --btn-bg: transparent;
    --btn-fg: var(--ink);
    border-color: rgba(11, 16, 20, .22);
}
.btn--ghost:hover { background: var(--ink); --btn-fg: #fff; border-color: var(--ink); box-shadow: none; }
.btn--outline-light {
    --btn-bg: transparent;
    --btn-fg: #fff;
    border-color: rgba(255, 255, 255, .34);
}
.btn--outline-light:hover { background: #fff; --btn-fg: var(--ink); border-color: #fff; }
.btn--sm { height: 44px; padding: 0 20px; font-size: .78rem; }
.btn--lg { height: 60px; padding: 0 34px; }
.btn--block { width: 100%; }
.btn .ico { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.btn:hover .ico { transform: translateX(3px); }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: .82rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--accent);
    border-bottom: 1px solid transparent;
    transition: gap .25s var(--ease), border-color .25s;
}
.link-arrow:hover { gap: 14px; border-color: var(--accent); }
.link-arrow .ico { width: 15px; height: 15px; }

/* ------------------------------------------------------------- topbar */
.topbar {
    background: var(--ink);
    color: #93A2AD;
    font-size: .78rem;
    letter-spacing: .01em;
}
.topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 40px;
    gap: 24px;
}
.topbar__left { display: flex; align-items: center; gap: 26px; }
.topbar__left a, .topbar__right a { display: inline-flex; align-items: center; gap: 8px; transition: color .2s; }
.topbar__left a:hover, .topbar__right a:hover { color: #fff; }
.topbar .ico { width: 14px; height: 14px; opacity: .75; }
.topbar__right { display: flex; align-items: center; gap: 22px; }
.topbar__tag { color: #6F7D88; }

/* ------------------------------------------------------------- header */
.header {
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .3s, border-color .3s;
}
.header.is-stuck { box-shadow: 0 10px 30px rgba(11, 16, 20, .07); }
.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    min-height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand__mark {
    width: 40px; height: 40px;
    color: var(--ink);
    display: grid; place-items: center;
}
.brand__mark svg { width: 100%; height: 100%; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong {
    font-family: var(--font-display);
    font-size: 1.34rem;
    font-weight: 800;
    letter-spacing: .24em;
    text-transform: uppercase;
}
.brand__text small {
    font-size: .58rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--steel-light);
    margin-top: 3px;
}
.brand--light, .brand--light .brand__mark { color: #fff; }
.brand--light .brand__text small { color: #7C8A96; }

.nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 10px 14px;
    font-family: var(--font-display);
    font-size: .88rem;
    font-weight: 600;
    color: #333E47;
    transition: color .2s;
}
.nav__link::after {
    content: "";
    position: absolute;
    left: 14px; right: 14px; bottom: 2px;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s var(--ease);
}
.nav__link:hover { color: var(--ink); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--ink); }

.nav__item { position: relative; }
.megamenu {
    position: absolute;
    top: calc(100% + 14px);
    right: -140px;
    width: 760px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity .22s, transform .22s, visibility .22s;
    z-index: 100;
}
.nav__item:hover .megamenu,
.nav__item:focus-within .megamenu { opacity: 1; visibility: visible; transform: translateY(0); }
.megamenu__inner { display: grid; grid-template-columns: 1.55fr 1fr; }
.megamenu__col { padding: 26px 28px 30px; }
.megamenu__label {
    font-family: var(--font-display);
    font-size: .66rem;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--steel-light);
    margin: 0 0 14px;
}
.megamenu__col a {
    display: block;
    padding: 11px 0;
    border-bottom: 1px solid var(--line-2);
    transition: color .2s, padding-left .2s;
}
.megamenu__col a:hover { color: var(--accent); padding-left: 6px; }
.megamenu__t { display: block; font-family: var(--font-display); font-weight: 700; font-size: .95rem; }
.megamenu__d { display: block; font-size: .78rem; color: var(--steel-light); margin-top: 2px; }
.megamenu__aside {
    background: var(--ink);
    color: #A9B7C1;
    padding: 26px 28px 30px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
}
.megamenu__copy { font-size: .84rem; line-height: 1.6; margin: 0; }
.megamenu__link { font-size: .8rem; font-weight: 600; color: #fff; border-bottom: 1px solid rgba(255,255,255,.3); }

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

.burger {
    display: none;
    width: 44px; height: 44px;
    border: 1px solid var(--line);
    background: #fff;
    cursor: pointer;
    padding: 0;
    place-items: center;
    gap: 5px;
}
.burger span {
    display: block;
    width: 20px; height: 2px;
    background: var(--ink);
    transition: transform .3s var(--ease), opacity .2s;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------------------------------------------------- mobile nav */
.mobile-nav {
    position: fixed;
    inset: 0;
    top: 0;
    z-index: 95;
    background: #fff;
    padding: 96px 24px 40px;
    overflow-y: auto;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav__inner { display: flex; flex-direction: column; }
.mobile-nav a, .mobile-nav summary {
    font-family: var(--font-display);
    font-size: 1.22rem;
    font-weight: 700;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    list-style: none;
}
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav details a {
    font-size: .95rem;
    font-weight: 500;
    color: var(--steel);
    padding: 12px 0 12px 16px;
    border-bottom: 1px solid var(--line-2);
}
.mobile-nav__foot { margin-top: 30px; display: flex; flex-direction: column; gap: 18px; }
.mobile-nav__foot p { font-size: .9rem; color: var(--steel); margin: 0; line-height: 1.9; }

/* --------------------------------------------------------------- hero */
.hero {
    position: relative;
    background: var(--ink);
    color: #fff;
    overflow: hidden;
    isolation: isolate;
}
.hero__media {
    position: absolute;
    inset: 0;
    z-index: -2;
}
.hero__media img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center 40%;
    opacity: .62;
    transform: scale(1.02);
}
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(100deg, rgba(11, 16, 20, .96) 6%, rgba(11, 16, 20, .72) 46%, rgba(11, 16, 20, .35) 100%),
        linear-gradient(to top, rgba(11, 16, 20, .95) 0%, rgba(11, 16, 20, 0) 42%);
}
.hero__inner {
    min-height: min(84vh, 760px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 96px 0 60px;
}
.hero__content { max-width: 780px; }
.hero h1 { color: #fff; margin-bottom: 24px; }
.hero h1 em { font-style: normal; color: #FF7A52; }
.hero__sub { font-size: clamp(1rem, 1.4vw, 1.18rem); color: #B6C3CC; max-width: 60ch; margin-bottom: 34px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, .12);
    margin-top: 70px;
    border-top: 1px solid rgba(255, 255, 255, .14);
}
.hero__stat { padding: 26px 22px 6px 0; background: transparent; }
.hero__stat b {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.6vw, 2.15rem);
    font-weight: 700;
    letter-spacing: -.02em;
    color: #fff;
}
.hero__stat span { font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: #8C9BA6; }

/* page hero (inner pages) */
.page-hero {
    position: relative;
    background: var(--ink);
    color: #fff;
    isolation: isolate;
    overflow: hidden;
}
.page-hero__media { position: absolute; inset: 0; z-index: -2; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.page-hero::after {
    content: "";
    position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(90deg, rgba(11,16,20,.95), rgba(11,16,20,.55));
}
.page-hero__inner { padding: 78px 0 66px; max-width: 900px; }
.page-hero h1 { color: #fff; font-size: clamp(2.1rem, 4vw, 3.3rem); }
.page-hero p { color: #AFBEC8; margin: 20px 0 0; max-width: 64ch; font-size: 1.05rem; }

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: .78rem;
    letter-spacing: .04em;
    color: var(--steel-light);
    margin-bottom: 26px;
}
.breadcrumb a { color: var(--steel); }
.breadcrumb a:hover { color: var(--ink); text-decoration: underline; }
.breadcrumb span { color: #AEB9C2; }
.breadcrumb--on-dark { color: #8B9AA5; }
.breadcrumb--on-dark a { color: #C3CFD7; }
.breadcrumb--on-dark a:hover { color: #fff; }
.breadcrumb--on-dark span { color: #6F7D88; }

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    overflow: hidden; clip: rect(0 0 0 0);
    white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* ------------------------------------------------------------ gate modal */
.gate {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(8, 12, 16, .72);
    backdrop-filter: blur(6px);
    display: grid;
    place-items: center;
    padding: 24px;
    overflow-y: auto;
}
.gate[hidden] { display: none; }
.gate__panel {
    position: relative;
    width: 100%;
    max-width: 520px;
    background: #fff;
    padding: 38px 36px 34px;
    box-shadow: var(--shadow-lg);
    animation: gateIn .25s var(--ease);
}
@keyframes gateIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.gate__close {
    position: absolute;
    top: 14px; right: 14px;
    width: 34px; height: 34px;
    display: grid; place-items: center;
    background: transparent;
    border: 1px solid var(--line);
    cursor: pointer;
    color: var(--steel);
}
.gate__close:hover { background: var(--ink); color: #fff; border-color: var(--ink); }


/* ------------------------------------------------------------ page bits */
.overline-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
    padding: 0;
    margin: 26px 0 0;
}
.overline-list li {
    font-size: .78rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #8C9BA6;
    display: flex;
    align-items: center;
    gap: 8px;
}
.overline-list li::before { content: ""; width: 5px; height: 5px; background: var(--accent); }

/* capability strip */
.strip {
    border-bottom: 1px solid var(--line);
    background: #fff;
}
.strip__inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--line);
}
.strip__item {
    background: #fff;
    padding: 30px 28px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.strip__item .ico { width: 22px; height: 22px; color: var(--accent); margin-top: 2px; }
.strip__item b { display: block; font-family: var(--font-display); font-size: .95rem; }
.strip__item span { font-size: .8rem; color: var(--steel-light); }

/* -------------------------------------------------------- product cards */
.p-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.p-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    overflow: hidden;
    transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.p-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.p-card__media {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--paper-3);
}
.p-card__media img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .7s var(--ease);
}
.p-card:hover .p-card__media img { transform: scale(1.045); }
.p-card__tag {
    position: absolute;
    left: 14px; top: 14px;
    background: rgba(11, 16, 20, .86);
    color: #fff;
    font-size: .66rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    padding: 6px 10px;
    backdrop-filter: blur(4px);
}
.p-card__body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.p-card__cat {
    font-size: .7rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 10px;
}
.p-card h3 { margin-bottom: 10px; font-size: 1.18rem; }
.p-card p { font-size: .9rem; color: var(--steel); margin: 0 0 20px; }
.p-card__foot {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--line-2);
}
.p-card__spec { font-size: .74rem; color: var(--steel-light); letter-spacing: .02em; }
.p-card__go {
    width: 34px; height: 34px;
    display: grid; place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    transition: background .25s, color .25s, border-color .25s;
}
.p-card:hover .p-card__go { background: var(--accent); border-color: var(--accent); color: #fff; }
.p-card__go .ico { width: 14px; height: 14px; }

/* featured wide card */
.p-card--wide { grid-column: span 2; flex-direction: row; }
.p-card--wide .p-card__media { aspect-ratio: auto; width: 46%; }
.p-card--wide .p-card__body { justify-content: center; padding: 34px 36px; }
.p-card--wide h3 { font-size: 1.5rem; }

/* ------------------------------------------------------ category tiles */
.cat-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    grid-auto-rows: 260px;
    gap: 18px;
}
.cat-tile {
    position: relative;
    overflow: hidden;
    background: var(--ink-2);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 26px;
    isolation: isolate;
}
.cat-tile:nth-child(1) { grid-row: span 2; }
.cat-tile img {
    position: absolute; inset: 0; z-index: -2;
    width: 100%; height: 100%; object-fit: cover;
    opacity: .72;
    transition: transform .8s var(--ease), opacity .4s;
}
.cat-tile::after {
    content: "";
    position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(to top, rgba(8, 12, 16, .92) 4%, rgba(8, 12, 16, .25) 62%);
    transition: background .4s;
}
.cat-tile:hover img { transform: scale(1.05); opacity: .85; }
.cat-tile__n {
    font-size: .68rem;
    letter-spacing: .18em;
    color: #FF8A64;
    font-weight: 700;
    margin-bottom: 8px;
}
.cat-tile h3 { color: #fff; font-size: 1.22rem; }
.cat-tile p { color: #B9C6CF; font-size: .84rem; margin: 8px 0 0; max-width: 42ch; }
.cat-tile__more {
    margin-top: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .72rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    font-weight: 700;
    color: #fff;
    opacity: .8;
}
.cat-tile:hover .cat-tile__more { opacity: 1; gap: 14px; }

/* ----------------------------------------------------------- split section */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    gap: 0;
}
.split__media { position: relative; min-height: 520px; overflow: hidden; }
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.split__body { padding: 90px clamp(32px, 6vw, 90px); display: flex; flex-direction: column; justify-content: center; }
.split--dark .split__body { background: var(--ink); color: #A9B7C1; }
.split--dark .split__body h2 { color: #fff; }

.steps { display: grid; gap: 0; margin-top: 34px; counter-reset: step; }
.step {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 20px;
    padding: 22px 0;
    border-top: 1px solid rgba(255, 255, 255, .12);
}
.step:last-child { border-bottom: 1px solid rgba(255, 255, 255, .12); }
.step__n {
    font-family: var(--font-display);
    font-size: .82rem;
    font-weight: 700;
    color: #FF7A52;
    letter-spacing: .1em;
    padding-top: 3px;
}
.step h4 { font-size: 1rem; margin-bottom: 5px; }
.step p { font-size: .88rem; margin: 0; line-height: 1.6; }

/* -------------------------------------------------------------- stats */
.stat-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 54px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.stat b {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.4vw, 2.9rem);
    font-weight: 700;
    letter-spacing: -.03em;
    line-height: 1;
}
.stat span { display: block; margin-top: 10px; font-size: .8rem; color: var(--steel-light); letter-spacing: .06em; }

/* ------------------------------------------------------------ projects */
.pr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pr-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    overflow: hidden;
    transition: transform .35s var(--ease), box-shadow .35s;
}
.pr-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pr-card__media { aspect-ratio: 16 / 10; overflow: hidden; position: relative; background: var(--paper-3); }
.pr-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.pr-card:hover .pr-card__media img { transform: scale(1.05); }
.pr-card__flag {
    position: absolute; top: 14px; left: 14px;
    background: #fff;
    padding: 5px 10px;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.pr-card__body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.pr-card__meta {
    display: flex; gap: 14px; flex-wrap: wrap;
    font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-light);
    margin-bottom: 10px;
}
.pr-card h3 { font-size: 1.1rem; line-height: 1.3; margin-bottom: 10px; }
.pr-card p { font-size: .86rem; color: var(--steel); margin: 0 0 18px; }
.pr-card__metrics {
    margin-top: auto;
    display: flex;
    gap: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--line-2);
}
.pr-card__metrics div b { display: block; font-family: var(--font-display); font-size: 1.05rem; }
.pr-card__metrics div span { font-size: .68rem; color: var(--steel-light); letter-spacing: .06em; }

/* ------------------------------------------------------------- filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}
.filter {
    padding: 10px 18px;
    border: 1px solid var(--line);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--steel);
    background: #fff;
    transition: all .2s;
}
.filter:hover { border-color: var(--ink); color: var(--ink); }
.filter.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* product detail */
.pd-head { padding: 56px 0 0; }
.pd-hero {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 60px;
    align-items: center;
    padding-bottom: 72px;
}
.pd-hero__copy h1 { font-size: clamp(2rem, 3.6vw, 3.1rem); margin-bottom: 18px; }
.pd-hero__tagline { font-size: 1.05rem; color: var(--accent); font-weight: 600; margin-bottom: 16px; }
.pd-hero__media {
    position: relative;
    aspect-ratio: 4 / 3.4;
    background: var(--paper-3);
    overflow: hidden;
}
.pd-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.pd-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    margin-top: 34px;
}
.pd-highlight { background: #fff; padding: 18px 20px; }
.pd-highlight b { display: block; font-family: var(--font-display); font-size: 1.4rem; letter-spacing: -.02em; }
.pd-highlight span { font-size: .72rem; color: var(--steel-light); letter-spacing: .08em; text-transform: uppercase; }

.pd-nav {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: var(--header-h);
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(10px);
    z-index: 40;
}
.pd-nav__inner { display: flex; gap: 34px; overflow-x: auto; }
.pd-nav a {
    padding: 16px 0;
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--steel);
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: color .2s, border-color .2s;
}
.pd-nav a:hover, .pd-nav a.is-active { color: var(--ink); border-color: var(--accent); }

.pd-section { padding: 74px 0; border-bottom: 1px solid var(--line); }
.pd-section:last-of-type { border-bottom: 0; }
.pd-two-col { display: grid; grid-template-columns: 300px 1fr; gap: 64px; }
.pd-two-col h2 { font-size: 1.6rem; }
.prose { max-width: 74ch; color: #37424C; font-size: 1.02rem; line-height: 1.78; }
.prose p { margin: 0 0 1.1em; }
.prose p:last-child { margin-bottom: 0; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px 34px;
}
.feature {
    display: flex;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line-2);
    font-size: .94rem;
    line-height: 1.55;
    color: #26313A;
}
.feature .ico { color: var(--accent); width: 17px; height: 17px; margin-top: 3px; }

.spec-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 0; }
.spec-tab {
    padding: 10px 18px;
    border: 1px solid var(--line);
    border-bottom: 0;
    background: var(--paper-2);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    cursor: pointer;
    color: var(--steel);
}
.spec-tab.is-active { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: 0 -2px 0 var(--accent) inset; }
.spec-panel { border: 1px solid var(--line); }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table tr { border-bottom: 1px solid var(--line-2); }
.spec-table tr:last-child { border-bottom: 0; }
.spec-table th {
    text-align: left;
    font-weight: 500;
    font-size: .88rem;
    color: var(--steel);
    padding: 15px 22px;
    width: 44%;
    vertical-align: top;
}
.spec-table td { padding: 15px 22px; font-size: .92rem; font-weight: 600; color: var(--ink); }
.spec-table tr:nth-child(even) { background: #FBFCFD; }
.spec-panel[hidden] { display: none; }

.chip-list { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
    padding: 9px 16px;
    border: 1px solid var(--line);
    font-size: .84rem;
    color: var(--steel);
    background: #fff;
}

/* ------------------------------------------------------------- cta band */
.cta-band {
    position: relative;
    background: var(--ink);
    color: #fff;
    isolation: isolate;
    overflow: hidden;
}
.cta-band__media { position: absolute; inset: 0; z-index: -2; }
.cta-band__media img { width: 100%; height: 100%; object-fit: cover; opacity: .28; }
.cta-band::after {
    content: "";
    position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(90deg, rgba(11, 16, 20, .96), rgba(11, 16, 20, .74));
}
.cta-band__inner {
    padding: 74px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}
.cta-band h2 { color: #fff; max-width: 22ch; }
.cta-band p { color: #A9B7C1; margin: 12px 0 0; max-width: 46ch; }

/* ------------------------------------------------------------- downloads */
.dl-layout { display: grid; grid-template-columns: 250px 1fr; gap: 56px; align-items: start; }
.dl-side { position: sticky; top: calc(var(--header-h) + 24px); }
.dl-side h3 { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--steel-light); margin-bottom: 14px; }
.dl-cats { display: flex; flex-direction: column; gap: 2px; }
.dl-cats button {
    text-align: left;
    padding: 10px 14px;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    font-family: var(--font-body);
    font-size: .88rem;
    color: var(--steel);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    transition: all .2s;
}
.dl-cats button:hover { color: var(--ink); background: var(--paper-2); }
.dl-cats button.is-active { color: var(--ink); border-color: var(--accent); background: var(--paper-2); font-weight: 600; }
.dl-cats button span { font-size: .74rem; color: var(--steel-light); }

.dl-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
.dl-item {
    display: grid;
    grid-template-columns: 46px 1fr auto;
    gap: 22px;
    align-items: center;
    padding: 24px 4px;
    border-bottom: 1px solid var(--line);
    transition: background .2s;
}
.dl-item:hover { background: #FBFCFD; }
.dl-item__icon {
    width: 46px; height: 54px;
    border: 1px solid var(--line);
    display: grid; place-items: center;
    font-size: .6rem;
    font-weight: 800;
    letter-spacing: .06em;
    color: var(--accent);
    background: #fff;
    position: relative;
}
.dl-item__icon::after {
    content: "";
    position: absolute; right: 0; top: 0;
    border-width: 0 10px 10px 0;
    border-style: solid;
    border-color: #fff #fff var(--line) var(--line);
}
.dl-item h3 { font-size: 1rem; margin-bottom: 5px; }
.dl-item p { font-size: .85rem; color: var(--steel); margin: 0; }
.dl-item__meta {
    display: flex; gap: 12px; flex-wrap: wrap;
    font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--steel-light);
    margin-top: 8px;
}
.dl-item__action { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.dl-item__lock { display: inline-flex; align-items: center; gap: 6px; font-size: .7rem; color: var(--steel-light); letter-spacing: .06em; }
.dl-item__lock .ico { width: 13px; height: 13px; }
.dl-note {
    margin-top: 30px;
    padding: 22px 24px;
    background: var(--paper-2);
    border-left: 3px solid var(--accent);
    font-size: .88rem;
    color: var(--steel);
}

/* ---------------------------------------------------------------- forms */
.form-card {
    background: #fff;
    border: 1px solid var(--line);
    padding: clamp(26px, 4vw, 44px);
    box-shadow: var(--shadow-sm);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label {
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #47535D;
}
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
    font-family: var(--font-body);
    font-size: .95rem;
    color: var(--ink);
    background: #fff;
    border: 1px solid #D6DEE4;
    border-radius: var(--radius);
    padding: 13px 15px;
    width: 100%;
    transition: border-color .2s, box-shadow .2s;
    appearance: none;
}
.field select {
    background-image: linear-gradient(45deg, transparent 50%, #8794A0 50%), linear-gradient(135deg, #8794A0 50%, transparent 50%);
    background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    padding-right: 40px;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #A9B4BD; }
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--ink);
    box-shadow: 0 0 0 3px rgba(11, 16, 20, .07);
}
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #C0392B; background: #FDF6F5; }
.field__error { font-size: .78rem; color: #C0392B; }
.checkbox { display: flex; gap: 11px; align-items: flex-start; font-size: .82rem; color: var(--steel); line-height: 1.5; }
.checkbox input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--accent); }
.form-note { font-size: .76rem; color: var(--steel-light); margin: 16px 0 0; line-height: 1.6; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-alert {
    padding: 14px 18px;
    border-left: 3px solid var(--accent);
    background: var(--accent-soft);
    font-size: .88rem;
    margin-bottom: 22px;
}

/* contact layout */
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
.contact-list { display: flex; flex-direction: column; gap: 0; margin-top: 34px; }
.contact-item { display: flex; gap: 16px; padding: 20px 0; border-top: 1px solid var(--line); }
.contact-item .ico { width: 20px; height: 20px; color: var(--accent); margin-top: 3px; }
.contact-item b { display: block; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel-light); margin-bottom: 4px; font-weight: 700; }
.contact-item a, .contact-item span { font-size: .96rem; }
.contact-item a:hover { color: var(--accent); }

/* ---------------------------------------------------------------- about */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.timeline { border-left: 1px solid var(--line); margin-top: 40px; }
.tl-item { position: relative; padding: 0 0 34px 32px; }
.tl-item::before {
    content: "";
    position: absolute; left: -4px; top: 8px;
    width: 7px; height: 7px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px #fff;
}
.tl-item b { font-family: var(--font-display); font-size: .82rem; letter-spacing: .12em; color: var(--accent); display: block; margin-bottom: 6px; }
.tl-item h4 { margin-bottom: 6px; }
.tl-item p { font-size: .88rem; color: var(--steel); margin: 0; }

.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cap {
    background: #fff;
    padding: 32px 28px;
}
.cap .ico { width: 24px; height: 24px; color: var(--accent); margin-bottom: 16px; }
.cap h4 { margin-bottom: 8px; }
.cap p { font-size: .86rem; color: var(--steel); margin: 0; }

.cert-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.cert {
    border: 1px solid rgba(255, 255, 255, .16);
    padding: 24px;
    display: flex; align-items: center; gap: 14px;
}
.cert .ico { width: 26px; height: 26px; color: #FF7A52; }
.cert b { display: block; font-size: .88rem; color: #fff; }
.cert span { font-size: .74rem; color: #8C9BA6; }

/* ---------------------------------------------------------------- misc */
.accordion { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 0;
    background: none;
    border: 0;
    text-align: left;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    cursor: pointer;
}
.acc-btn .ico { transition: transform .3s var(--ease); color: var(--accent); }
.acc-btn[aria-expanded="true"] .ico { transform: rotate(45deg); }
.acc-panel { padding: 0 0 22px; font-size: .92rem; color: var(--steel); max-width: 78ch; }
.acc-panel[hidden] { display: none; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* --------------------------------------------------------------- footer */
.footer { background: var(--ink); color: #93A2AD; padding: 76px 0 0; }
.footer__top {
    display: grid;
    grid-template-columns: 1.5fr .8fr .8fr 1.1fr;
    gap: 48px;
    padding-bottom: 58px;
}
.footer__desc { font-size: .88rem; line-height: 1.7; margin: 22px 0 14px; max-width: 34ch; }
.footer__addr { font-size: .82rem; color: #6F7D88; max-width: 32ch; line-height: 1.7; }
.footer__col h3 {
    font-size: .7rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 20px;
    font-weight: 700;
}
.footer__col ul { display: flex; flex-direction: column; gap: 11px; }
.footer__col a { font-size: .86rem; transition: color .2s; }
.footer__col a:hover { color: #fff; }
.footer__col--contact p { font-size: .88rem; margin: 0 0 10px; }
.footer__col--contact .muted { color: #6F7D88; font-size: .8rem; }
.footer__col--contact .btn { margin-top: 14px; }
.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding: 22px 32px;
    border-top: 1px solid rgba(255, 255, 255, .1);
    font-size: .76rem;
    color: #6F7D88;
}
.footer__bottom p { margin: 0; }
.footer__legal { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.footer__legal a:hover { color: #fff; }
.footer__cert { color: #55636F; letter-spacing: .06em; }

/* ----------------------------------------------------------- responsive */
@media (max-width: 1180px) {
    .nav { gap: 0; }
    .nav__link { padding: 10px 10px; font-size: .84rem; }
    .megamenu { right: -80px; width: 680px; }
    .header__cta { display: none; }
}

@media (max-width: 1024px) {
    .nav, .topbar__tag { display: none; }
    .burger { display: grid; }
    .header__actions { margin-left: auto; }
    :root { --header-h: 72px; }
    .section { padding: 80px 0; }
    .p-grid, .pr-grid { grid-template-columns: repeat(2, 1fr); }
    .p-card--wide { grid-column: span 2; flex-direction: column; }
    .p-card--wide .p-card__media { width: 100%; aspect-ratio: 16/9; }
    .cat-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 220px; }
    .cat-tile:nth-child(1) { grid-row: span 1; grid-column: span 2; }
    .split { grid-template-columns: 1fr; }
    .split__media { min-height: 380px; }
    .split__body { padding: 60px 0; }
    .pd-hero { grid-template-columns: 1fr; gap: 34px; }
    .pd-two-col { grid-template-columns: 1fr; gap: 26px; }
    .contact-grid, .about-intro { grid-template-columns: 1fr; gap: 40px; }
    .dl-layout { grid-template-columns: 1fr; gap: 30px; }
    .dl-side { position: static; }
    .dl-cats { flex-direction: row; flex-wrap: wrap; gap: 6px; }
    .dl-cats button { border-left: 0; border: 1px solid var(--line); }
    .dl-cats button.is-active { border-color: var(--ink); background: var(--ink); color: #fff; }
    .dl-cats button.is-active span { color: #B6C3CC; }
    .footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }
    .cap-grid { grid-template-columns: 1fr 1fr; }
    .cert-row { grid-template-columns: 1fr 1fr; }
    .hero__stats { grid-template-columns: 1fr 1fr; }
    .stat-band { grid-template-columns: 1fr 1fr; gap: 34px; }
    .strip__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
    .container { padding: 0 20px; }
    .section { padding: 62px 0; }
    .section--tight { padding: 48px 0; }
    .section-head--split { flex-direction: column; align-items: flex-start; gap: 20px; }
    .p-grid, .pr-grid { grid-template-columns: 1fr; }
    .p-card--wide { grid-column: span 1; }
    .cat-grid { grid-template-columns: 1fr; grid-auto-rows: 200px; }
    .cat-tile:nth-child(1) { grid-column: span 1; }
    .form-grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .footer__top { grid-template-columns: 1fr; gap: 34px; }
    .footer__bottom { flex-direction: column; align-items: flex-start; }
    .cta-band__inner { flex-direction: column; align-items: flex-start; }
    .dl-item { grid-template-columns: 40px 1fr; }
    .dl-item__action { grid-column: 1 / -1; align-items: flex-start; flex-direction: row; justify-content: space-between; }
    .cap-grid, .cert-row, .strip__inner { grid-template-columns: 1fr; }
    .hero__inner { padding: 64px 0 40px; min-height: auto; }
    .hero__stats { margin-top: 44px; }
    .topbar__right { display: none; }
    .topbar__left { gap: 18px; }
    .topbar { font-size: .72rem; }
    .pd-highlights { grid-template-columns: 1fr 1fr; }
    .spec-table th, .spec-table td { padding: 12px 14px; font-size: .84rem; }
    .page-hero__inner { padding: 54px 0 46px; }
}

/* print */
@media print {
    .header, .topbar, .footer, .hero__actions, .btn, .mobile-nav { display: none !important; }
    body { color: #000; }
    .section { padding: 20px 0; }
}