:root {
    color-scheme: dark;
    --bg: #070B12;
    --panel: #0D1522;
    --panel-strong: #121F31;
    --line: rgba(148, 180, 204, 0.22);
    --text: #F4F8FC;
    --muted: #A6B8C7;
    --cyan: #00D4FF;
    --green: #6EF3B5;
    --gold: #FFCC66;
    --danger: #FF7A7A;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(0, 212, 255, 0.13), transparent 32rem),
        radial-gradient(circle at 85% 15%, rgba(110, 243, 181, 0.10), transparent 28rem),
        var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    line-height: 1.6;
}

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    width: min(1180px, calc(100% - 32px));
    min-height: 82px;
    margin: 0 auto;
    padding: 12px 0;
    backdrop-filter: blur(16px);
}

.brand {
    display: inline-flex;
    align-items: center;
    min-width: 190px;
}

.brand img {
    width: clamp(190px, 22vw, 260px);
    height: auto;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(13, 21, 34, 0.78);
    box-shadow: var(--shadow);
}

.site-nav a {
    min-width: 96px;
    padding: 10px 14px;
    border-radius: 6px;
    color: var(--muted);
    font-size: 0.94rem;
    font-weight: 700;
    text-align: center;
    transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.active {
    background: rgba(0, 212, 255, 0.12);
    color: var(--text);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 3px 0;
    border-radius: 999px;
    background: var(--text);
}

.page-band {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
    align-items: center;
    gap: 44px;
    min-height: calc(100vh - 110px);
    padding: 52px 0 72px;
}

.hero-copy,
.page-hero div,
.contact-intro {
    min-width: 0;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--green);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

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

h1 {
    max-width: 760px;
    margin-bottom: 20px;
    font-size: clamp(2.45rem, 6vw, 5.4rem);
    line-height: 1;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 16px;
    font-size: clamp(1.8rem, 3vw, 3rem);
    line-height: 1.08;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.lead {
    max-width: 680px;
    color: #D1DDE8;
    font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 800;
    cursor: pointer;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button.primary {
    background: linear-gradient(135deg, var(--cyan), var(--green));
    color: #06101B;
}

.button.secondary {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
}

.hero-media,
.page-hero img,
.contact-intro img {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.hero-media img {
    width: 100%;
}

.stats-band {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    padding: 16px 0 72px;
}

.metric,
.feature-grid article,
.timeline article,
.service-list article,
.contact-form {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(18, 31, 49, 0.78);
}

.metric {
    padding: 22px;
}

.metric strong {
    display: block;
    margin-bottom: 8px;
    color: var(--text);
    font-size: 1.2rem;
}

.metric span,
.feature-grid p,
.timeline p,
.service-list p,
.split-section p {
    color: var(--muted);
}

.split-section {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1.18fr);
    gap: 34px;
    align-items: start;
    padding: 34px 0 86px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.feature-grid article,
.timeline article,
.service-list article {
    padding: 22px;
}

.feature-grid span,
.service-list span {
    display: inline-flex;
    margin-bottom: 16px;
    color: var(--gold);
    font-size: 0.76rem;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.page-hero {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
    gap: 42px;
    align-items: center;
    padding: 72px 0;
}

.page-hero h1,
.contact-layout h1 {
    font-size: clamp(2.2rem, 4.5vw, 4.4rem);
}

.timeline {
    display: grid;
    gap: 14px;
}

.timeline article {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    column-gap: 18px;
}

.timeline strong {
    grid-row: span 2;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: rgba(0, 212, 255, 0.12);
    color: var(--cyan);
}

.service-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    padding: 0 0 86px;
}

.service-list article:last-child {
    grid-column: 1 / -1;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.9fr);
    gap: 40px;
    align-items: center;
    padding: 68px 0 86px;
}

.contact-intro img {
    margin-top: 30px;
}

.contact-form {
    display: grid;
    gap: 12px;
    padding: clamp(22px, 4vw, 36px);
    box-shadow: var(--shadow);
}

.contact-form label {
    color: #E6F0F8;
    font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #08111F;
    color: var(--text);
    font: inherit;
    padding: 12px 14px;
    outline: none;
}

.contact-form textarea {
    min-height: 156px;
    resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.12);
}

.submit-button {
    margin-top: 10px;
    width: 100%;
    border: 0;
    font-size: 1rem;
}

.form-message {
    min-height: 24px;
    margin: 0;
    font-weight: 700;
}

.form-message.success {
    color: var(--green);
}

.form-message.error {
    color: var(--danger);
}

.site-footer {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 40px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    text-align: center;
}

@media (max-width: 920px) {
    .menu-toggle {
        display: grid;
    }

    .site-nav {
        position: absolute;
        top: 76px;
        right: 0;
        display: none;
        width: min(320px, calc(100vw - 32px));
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav.open {
        display: flex;
    }

    .site-nav a {
        min-width: 0;
        text-align: left;
    }

    .hero,
    .page-hero,
    .split-section,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding-top: 34px;
    }

    .stats-band,
    .service-list {
        grid-template-columns: 1fr;
    }

    .service-list article:last-child {
        grid-column: auto;
    }
}

@media (max-width: 620px) {
    .site-header,
    .page-band,
    .site-footer {
        width: min(100% - 24px, 1180px);
    }

    .brand img {
        width: 190px;
    }

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

    .timeline article {
        grid-template-columns: 1fr;
    }

    .timeline strong {
        margin-bottom: 14px;
    }

    .hero-actions,
    .button {
        width: 100%;
    }
}