:root {
    --blue: #2f6fed;
    --blue-strong: #255fd6;
    --blue-soft: #edf3ff;
    --navy: #15223c;
    --ink: #182033;
    --muted: #687386;
    --line: #dfe5ef;
    --soft: #f5f7fb;
    --white: #ffffff;
    --radius: 22px;
    --shell: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: 'Manrope', ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }

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

.skip-link {
    position: fixed;
    left: 16px;
    top: 12px;
    z-index: 1000;
    transform: translateY(-140%);
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--ink);
    color: white;
    text-decoration: none;
}
.skip-link:focus { transform: translateY(0); }

.site-shell { width: var(--shell); margin-inline: auto; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid rgba(223, 229, 239, .9);
}
.site-header__inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}
.brand {
    display: inline-flex;
    align-items: center;
    color: var(--navy);
    text-decoration: none;
}
.brand__logo {
    display: block;
    width: 200px;
    height: auto;
}
.brand__logo--footer { width: 200px; }
.site-nav { display: flex; align-items: center; gap: 20px; }
.site-nav > a:not(.button),
.site-nav__top {
    color: #344058;
    font-size: 14px;
    font-weight: 650;
    text-decoration: none;
}
.site-nav > a:not(.button):hover,
.site-nav__top:hover { color: var(--blue); }
.site-nav > a[aria-current="page"]:not(.button),
.site-nav__top[aria-current="page"] { color: var(--blue); }
.site-nav__login { margin-left: 4px; }
.site-nav__group { position: relative; display: flex; align-items: center; }
.site-nav__top { display: inline-flex; align-items: center; gap: 5px; color: #344058; font-size: 14px; font-weight: 650; text-decoration: none; }
.site-nav__top > span { color: #8090a7; font-size: 12px; transition: transform .18s ease; }
.site-nav__panel {
    position: absolute;
    top: calc(100% + 20px);
    left: -22px;
    width: 650px;
    padding: 18px;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    border: 1px solid #dce4ef;
    border-radius: 18px;
    background: rgba(255,255,255,.98);
    box-shadow: 0 28px 70px rgba(21,34,60,.16);
    transition: opacity .16s ease, transform .16s ease, visibility .16s;
}
.site-nav__panel::before { content: ''; position: absolute; left: 0; right: 0; top: -22px; height: 24px; }
.site-nav__group:hover .site-nav__panel,
.site-nav__group:focus-within .site-nav__panel { visibility: visible; opacity: 1; transform: translateY(0); }
.site-nav__group:hover .site-nav__top > span,
.site-nav__group:focus-within .site-nav__top > span { transform: rotate(180deg); }
.site-nav__panel-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 4px; }
.site-nav__panel a { display: block; padding: 12px 13px; border-radius: 11px; text-decoration: none; }
.site-nav__panel a:hover, .site-nav__panel a:focus-visible { background: #f2f6ff; outline: none; }
.site-nav__panel strong { display: block; color: var(--navy); font-size: 14px; line-height: 1.3; }
.site-nav__panel small { display: block; margin-top: 3px; color: #7b8799; font-size: 11px; line-height: 1.45; }
.site-nav__panel--compact { width: 340px; }
.site-nav__panel--compact > a:not(.site-nav__panel-all) { border-bottom: 1px solid #edf1f6; border-radius: 0; }
.site-nav__panel-all { margin-top: 7px; color: var(--blue); font-size: 12px; font-weight: 800; }
.nav-toggle { display: none; }

a:focus-visible, button:focus-visible {
    outline: 3px solid rgba(47,111,237,.34);
    outline-offset: 3px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border: 1px solid var(--blue);
    border-radius: 13px;
    color: white;
    background: var(--blue);
    font-weight: 750;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(47, 111, 237, .18);
    transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.button:hover { background: var(--blue-strong); border-color: var(--blue-strong); transform: translateY(-1px); }
.button--small { min-height: 42px; padding: 0 16px; border-radius: 11px; font-size: 14px; }
.text-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--navy);
    font-weight: 750;
    text-decoration: none;
}
.text-action:hover { color: var(--blue); }
.text-action--inverse { color: white; }
.text-action--inverse:hover { color: white; opacity: .82; }

.eyebrow {
    margin: 0 0 18px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .15em;
    text-transform: uppercase;
}
.eyebrow--inverse { color: rgba(255, 255, 255, .72); }

.hero { padding: 92px 0 76px; overflow: hidden; }
.hero__intro { max-width: 1060px; }
.hero h1 {
    max-width: 980px;
    margin: 0;
    color: var(--navy);
    font-size: clamp(58px, 7.4vw, 96px);
    line-height: .99;
    letter-spacing: -.065em;
}
.hero h1 span { color: var(--blue); }
.hero__lead {
    max-width: 760px;
    margin: 30px 0 0;
    color: #59667b;
    font-size: clamp(19px, 2vw, 23px);
    line-height: 1.55;
}
.hero__actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; }
.hero__visual { margin-top: 64px; }

.product-shot {
    margin: 0;
    overflow: hidden;
    border: 1px solid #d5deeb;
    border-radius: 26px;
    background: var(--soft);
    box-shadow: 0 28px 90px rgba(21, 34, 60, .13);
}
.product-shot img { width: 100%; height: auto; }

.operation-track {
    position: relative;
    min-height: 330px;
    overflow: hidden;
    border-radius: 26px;
    padding: 34px 38px 42px;
    color: white;
    background:
        radial-gradient(circle at 86% 18%, rgba(255,255,255,.14), transparent 26%),
        linear-gradient(120deg, #245fe1 0%, #2f6fed 48%, #1f4fb8 100%);
    box-shadow: 0 30px 90px rgba(47,111,237,.24);
}
.operation-track__head {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    color: rgba(255,255,255,.72);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}
.operation-track__line {
    position: absolute;
    left: 9%;
    right: 9%;
    top: 168px;
    height: 1px;
    background: rgba(255,255,255,.35);
}
.operation-track__steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 90px;
}
.operation-track__steps article { position: relative; }
.operation-track__steps article::before {
    content: '';
    position: absolute;
    top: -22px;
    left: 0;
    width: 10px;
    height: 10px;
    border: 4px solid rgba(255,255,255,.35);
    border-radius: 999px;
    background: white;
}
.operation-track__number {
    display: block;
    margin-bottom: 18px;
    color: rgba(255,255,255,.58);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .12em;
}
.operation-track strong { display: block; font-size: clamp(25px, 3vw, 36px); line-height: 1.1; letter-spacing: -.035em; }
.operation-track small { display: block; margin-top: 10px; color: rgba(255,255,255,.72); font-size: 14px; }

.story { padding: 128px 0 116px; }
.story__heading { margin-bottom: 72px; }
.story__heading h2,
.areas h2,
.closing h2 {
    margin: 0;
    color: var(--navy);
    font-size: clamp(42px, 5.6vw, 70px);
    line-height: 1.02;
    letter-spacing: -.052em;
}
.story-list { border-top: 1px solid var(--line); }
.story-row {
    display: grid;
    grid-template-columns: minmax(210px, .72fr) 1.5fr;
    gap: 64px;
    padding: 44px 0 48px;
    border-bottom: 1px solid var(--line);
}
.story-row__label {
    display: flex;
    align-items: baseline;
    gap: 18px;
    color: var(--navy);
}
.story-row__label span { color: #9aa5b5; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.story-row__label strong { font-size: 15px; }
.story-row__copy { max-width: 720px; }
.story-row__copy h3 {
    margin: 0;
    color: var(--navy);
    font-size: clamp(27px, 3vw, 38px);
    line-height: 1.16;
    letter-spacing: -.04em;
}
.story-row__copy p { margin: 16px 0 0; color: var(--muted); font-size: 17px; }

.questions {
    padding: 110px 0;
    color: white;
    background: var(--blue);
}
.questions__grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 60px 90px;
}
.questions__intro h2 {
    max-width: 610px;
    margin: 0;
    font-size: clamp(48px, 6vw, 76px);
    line-height: 1.02;
    letter-spacing: -.055em;
}
.questions__list { align-self: end; }
.questions__list p {
    margin: 0;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,.22);
    font-size: clamp(22px, 2.5vw, 31px);
    font-weight: 650;
    letter-spacing: -.03em;
}
.questions__list p:first-child { border-top: 1px solid rgba(255,255,255,.22); }
.questions__note {
    grid-column: 2;
    max-width: 620px;
    color: rgba(255,255,255,.78);
    font-size: 17px;
}
.questions__note p { margin: 0 0 22px; }

.areas { padding: 124px 0 118px; }
.areas__top {
    display: grid;
    grid-template-columns: 1.35fr .75fr;
    gap: 80px;
    align-items: end;
    margin-bottom: 68px;
}
.areas__lead { margin: 0 0 8px; color: var(--muted); font-size: 18px; }
.area-lines { border-top: 1px solid var(--line); }
.area-line {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: baseline;
    gap: 40px;
    padding: 27px 0;
    border-bottom: 1px solid var(--line);
}
.area-line span { color: var(--navy); font-size: clamp(23px, 2.8vw, 34px); font-weight: 700; letter-spacing: -.035em; }
.area-line small { color: var(--muted); font-size: 15px; }

.closing { padding: 118px 0 126px; background: var(--soft); }
.closing__inner { max-width: 960px; }
.closing h2 { font-size: clamp(58px, 8vw, 98px); }
.closing__inner > p:not(.eyebrow) { max-width: 700px; margin: 26px 0 0; color: var(--muted); font-size: 20px; }
.closing__actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; }

.site-footer { padding: 48px 0 24px; color: #d6deeb; background: #101a2d; }
.site-footer__top { display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: start; }
.brand--footer { color: white; }
.site-footer__brand p { max-width: 420px; margin: 18px 0 0; color: #8e9bb0; }
.site-footer__nav { display: grid; grid-template-columns: repeat(2, auto); gap: 14px 34px; }
.site-footer__nav a { color: #c0cada; font-size: 14px; text-decoration: none; }
.site-footer__nav a:hover { color: white; }
.site-footer__bottom {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    margin-top: 44px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.1);
    color: #738198;
    font-size: 12px;
}

@media (max-width: 1060px) {
    :root { --shell: min(100% - 32px, 760px); }
    .site-header__inner { min-height: 68px; }
    .nav-toggle {
        width: 42px;
        height: 42px;
        display: grid;
        align-content: center;
        gap: 5px;
        padding: 0 10px;
        border: 1px solid var(--line);
        border-radius: 10px;
        background: white;
    }
    .nav-toggle span:not(.sr-only) { height: 2px; background: var(--navy); border-radius: 10px; }
    .site-nav {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 62px;
        display: none;
        align-items: stretch;
        gap: 0;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 16px;
        background: white;
        box-shadow: 0 24px 70px rgba(21,34,60,.14);
    }
    .site-nav[data-open] { display: grid; }
    .site-nav > a:not(.button),
    .site-nav__top { padding: 13px 10px; }
    .site-nav__group { display: block; }
    .site-nav__top { width: 100%; }
    .site-nav__top > span { display: none; }
    .site-nav__panel { display: none !important; }
    .site-nav .button { margin-top: 6px; }
    .site-nav__login { margin-left: 0; }

    .hero { padding: 66px 0 56px; }
    .hero h1 { font-size: clamp(50px, 12vw, 76px); }
    .hero__visual { margin-top: 46px; }
    .operation-track { min-height: 0; padding: 30px 26px; }
    .operation-track__line { display: none; }
    .operation-track__steps { grid-template-columns: repeat(2, 1fr); margin-top: 44px; gap: 36px 24px; }
    .operation-track__steps article::before { display: none; }

    .story { padding: 88px 0 84px; }
    .story__heading { margin-bottom: 48px; }
    .story-row { grid-template-columns: 1fr; gap: 20px; }
    .questions { padding: 82px 0; }
    .questions__grid { grid-template-columns: 1fr; gap: 48px; }
    .questions__note { grid-column: 1; }
    .areas { padding: 88px 0; }
    .areas__top { grid-template-columns: 1fr; gap: 24px; }
    .area-line { grid-template-columns: 1fr; gap: 8px; }
    .closing { padding: 86px 0 92px; }
    .site-footer__top { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
    :root { --shell: calc(100vw - 28px); }
    .hero h1 { font-size: 48px; }
    .hero__lead { font-size: 18px; }
    .hero__actions, .closing__actions { align-items: flex-start; flex-direction: column; gap: 18px; }
    .operation-track__head { flex-direction: column; gap: 8px; }
    .operation-track__steps { grid-template-columns: 1fr; gap: 28px; }
    .operation-track strong { font-size: 30px; }
    .story__heading h2, .areas h2 { font-size: 42px; }
    .questions__intro h2 { font-size: 46px; }
    .closing h2 { font-size: 54px; }
    .site-footer__nav { grid-template-columns: 1fr; }
    .site-footer__bottom { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}

/* Mature footer map */
.site-footer__top--mature { grid-template-columns: minmax(250px,.8fr) minmax(0,1.6fr); gap: 84px; }
.site-footer__cta {
    display: inline-flex;
    gap: 8px;
    margin-top: 22px;
    color: #fff;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
}
.site-footer__cta:hover { opacity: .8; }
.site-footer__map { display: grid; grid-template-columns: 1.15fr 1fr 1fr 1.1fr .8fr; gap: 34px; }
.site-footer__map nav { display: grid; align-content: start; gap: 10px; }
.site-footer__map strong { margin-bottom: 4px; color: #fff; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.site-footer__map a { color: #aeb9ca; font-size: 13px; line-height: 1.45; text-decoration: none; }
.site-footer__map a:hover, .site-footer__map a:focus-visible { color: #fff; }

@media (max-width: 1060px) {
    .site-footer__top--mature { grid-template-columns: 1fr; gap: 52px; }
    .site-footer__map { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 34px 48px; }
}
@media (max-width: 580px) {
    .site-footer__map { grid-template-columns: 1fr; gap: 30px; }
}

/* Mobile header hardening: keep the 200px brand on desktop without crowding the menu. */
@media (max-width: 580px) {
    .site-header__inner { gap: 10px; }
    .brand__logo { width: 168px; }
    .brand__logo--footer { width: 200px; }
    .nav-toggle { flex: 0 0 42px; margin-left: auto; }
}

/* Responsive maturity pass: stable mobile menu and touch targets. */
@media (max-width: 1060px) {
    .site-nav {
        position: fixed;
        top: 68px;
        max-height: calc(100dvh - 84px);
        overflow-y: auto;
        overscroll-behavior: contain;
        background: rgba(255,255,255,.995);
        box-shadow: 0 24px 70px rgba(21,34,60,.18);
    }
    body.nav-open { overflow: hidden; touch-action: none; }
}
@media (max-width: 920px) {
    .brand__logo { width: 184px; }
    .site-header__inner { min-height: 68px; }
}
@media (max-width: 580px) {
    .brand__logo { width: 168px; }
    .site-footer__map a,
    .site-footer__cta { min-height: 40px; display: flex; align-items: center; }
    .text-action, .concept-link { min-height: 44px; align-items: center; }
}

@media (max-width: 1060px) {
    .site-footer__map a,
    .site-footer__cta,
    .text-action,
    .concept-link { min-height: 40px; display: flex; align-items: center; }
}