:root {
    --red: #B8050F;
    --red-dark: #8E040C;
    --black: #000000;
    --ink: #0E0E0E;
    --panel: #161616;
    --line: #2A2A2A;
    --white: #FFFFFF;
    --muted: #A8A8A8;
    --font-display: "Russo One", "Arial Black", Impact, sans-serif;
    --font-body: "Saira", "Segoe UI", Roboto, Arial, sans-serif;
    --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
}

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

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

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: .02em;
    line-height: 1.05;
    margin: 0;
}

.red { color: var(--red); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: .85em 1.6em;
    background: var(--red);
    color: var(--white);
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: .05em;
    font-size: .9rem;
    border: 2px solid var(--red);
    transform: skewX(-10deg);
    cursor: pointer;
    transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--red-dark); border-color: var(--red-dark); }
.btn--ghost { background: transparent; }
.btn--ghost:hover { background: var(--red); border-color: var(--red); }
.btn--light { background: var(--white); color: var(--black); border-color: var(--white); }
.btn--light:hover { background: var(--black); color: var(--white); border-color: var(--black); }
.btn--sm { padding: .5em 1.1em; font-size: .8rem; }

/* ---------- Nav ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .75rem max(1.25rem, calc((100% - var(--max)) / 2));
    background: rgba(0, 0, 0, .9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}
.nav__brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); text-transform: uppercase; }
.nav__brand img { width: 40px; height: 40px; }
.nav__brand b { color: var(--red); font-weight: 400; }
.nav__links { display: flex; align-items: center; gap: 1.75rem; font-weight: 600; text-transform: uppercase; font-size: .9rem; letter-spacing: .04em; }
.nav__links a:not(.btn):hover { color: var(--red); }
.nav__toggle { display: none; background: none; border: 0; color: var(--white); font-size: 1.6rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
    min-height: 88vh;
    display: grid;
    place-items: center;
    padding: 4rem 1.25rem;
    text-align: center;
    background:
        linear-gradient(115deg, transparent 0 62%, rgba(184, 5, 15, .14) 62% 64%, transparent 64%),
        linear-gradient(115deg, transparent 0 70%, rgba(184, 5, 15, .08) 70% 76%, transparent 76%),
        radial-gradient(ellipse at 50% 120%, rgba(184, 5, 15, .35), transparent 60%),
        var(--black);
}
.hero__content { max-width: 900px; }
.hero__logo { width: min(620px, 100%); margin: 0 auto 2.5rem; mix-blend-mode: lighten; }
.hero__title { font-size: clamp(2rem, 6vw, 4.2rem); }
.hero__lead { color: var(--muted); font-size: clamp(1rem, 2vw, 1.2rem); max-width: 680px; margin: 1.25rem auto 2.25rem; }
.hero__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Stats ---------- */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--red);
}
.stat {
    padding: 2rem 1rem;
    text-align: center;
    border-right: 1px solid rgba(0, 0, 0, .25);
}
.stat:last-child { border-right: 0; }
.stat__num { display: block; font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1; }
.stat__label { display: block; margin-top: .5rem; font-weight: 600; text-transform: uppercase; font-size: .8rem; letter-spacing: .06em; }

/* ---------- Sections ---------- */
.section {
    padding: 6rem max(1.25rem, calc((100% - var(--max)) / 2));
}
.section--dark { background: var(--ink); border-block: 1px solid var(--line); }
.eyebrow {
    margin: 0 0 .75rem;
    color: var(--red);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .2em;
    font-size: .8rem;
}
.section__title { font-size: clamp(1.8rem, 4.5vw, 3rem); margin-bottom: 1.25rem; }
.section__lead { color: var(--muted); font-size: 1.15rem; max-width: 760px; margin: 0; }
.section__lead b { color: var(--white); }

/* ---------- Cards ---------- */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}
.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-top: 4px solid var(--red);
    padding: 2rem;
}
.card__icon { font-family: var(--font-display); color: var(--red); font-size: 2.2rem; line-height: 1; margin-bottom: 1rem; }
.card h3 { font-size: 1.35rem; margin-bottom: .75rem; }
.card p { margin: 0; color: var(--muted); }

/* ---------- Tech grid ---------- */
.tech {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1px;
    margin-top: 3rem;
    background: var(--line);
    border: 1px solid var(--line);
}
.tech__item { background: var(--black); padding: 1.6rem; transition: background .2s; }
.tech__item:hover { background: var(--panel); }
.tech__item p { margin: .6rem 0 0; color: var(--muted); font-size: .95rem; }
.tech__tag { font-family: var(--font-display); text-transform: uppercase; font-size: 1.1rem; }
.tech__tag::before { content: ""; display: inline-block; width: .55em; height: .55em; background: var(--red); margin-right: .55em; transform: skewX(-10deg); }
.tech__item--more { background: var(--red); }
.tech__item--more:hover { background: var(--red-dark); }
.tech__item--more p { color: var(--white); }
.tech__item--more .tech__tag::before { background: var(--white); }

/* ---------- CTA ---------- */
.cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    padding: 4rem max(1.25rem, calc((100% - var(--max)) / 2));
    background: var(--red);
}
.cta .eyebrow { color: var(--black); }
.cta .section__title { margin-bottom: .5rem; }
.cta p { margin: 0; max-width: 620px; }

/* ---------- Footer ---------- */
.footer {
    padding: 3rem 1.25rem;
    text-align: center;
    color: var(--muted);
    font-size: .9rem;
}
.footer__logo { width: 56px; margin: 0 auto 1rem; }
.footer p { margin: .25rem 0; }
.footer__dev b { color: var(--white); }

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
    .nav__toggle { display: block; }
    .nav__links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        padding: 1.5rem;
        background: var(--black);
        border-bottom: 1px solid var(--line);
    }
    .nav__links.open { display: flex; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: 0; }
    .stat:nth-child(-n+2) { border-bottom: 1px solid rgba(0, 0, 0, .25); }
    .section { padding-block: 4rem; }
}