.wrapper {
    background-color: var(--neutral);
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 4rem;
}

/* 1. HERO */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 100px;
}

.bgWrapper {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.heroImg {
    object-fit: contain;
    filter: saturate(0.5) contrast(1.1) brightness(0.6);
}

.heroOverlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 100%);
    z-index: 2;
}

.heroGrid {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 5rem;
    align-items: center;
}

.heroLabel {
    font-size: 0.65rem;
    font-weight: 900;
    color: #555;
    letter-spacing: 0.2rem;
    display: block;
    margin-bottom: 2rem;
}

.heroTitle {
    font-size: clamp(4rem, 8vw, 6.5rem);
    font-weight: 900;
    line-height: 0.85;
    letter-spacing: -0.05em;
    margin-bottom: 2.5rem;
    text-transform: uppercase;
}

.red { color: var(--primary); font-style: italic; }

.heroDesc {
    font-size: 1.1rem;
    color: #888;
    line-height: 1.6;
    margin-bottom: 3.5rem;
    max-width: 600px;
}

.heroActions { display: flex; gap: 1rem; }

.primaryBtn {
    background-color: var(--primary);
    padding: 1.2rem 2.2rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    cursor: pointer;
    border: none;
}

.secondaryBtn {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    padding: 1.2rem 2.2rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    cursor: pointer;
}

.specBox {
    background-color: rgba(18, 18, 18, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 3rem;
    width: 100%;
    max-width: 400px;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.progressLine {
    position: absolute;
    top: 0; left: 0; width: 60%;
    height: 2px;
    background-color: var(--primary);
}

.specItem { margin-bottom: 2.5rem; }
.specItem:last-child { margin-bottom: 0; }

.specLabel {
    font-size: 0.55rem;
    font-weight: 900;
    color: #444;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.8rem;
}

.specItem h3 { font-size: 1.3rem; font-weight: 900; font-style: italic; }

/* 2. OVERVIEW */
.overview { padding: 120px 0; background-color: var(--neutral); }
.overviewGrid { display: grid; grid-template-columns: 1fr 1fr; gap: 8rem; align-items: center; }
.overviewContent h2 { font-size: 3rem; font-weight: 900; letter-spacing: -0.05em; margin-bottom: 3rem; line-height: 0.9; text-transform: uppercase; }
.featuresGrid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem 4rem; }

.featureItem { display: flex; flex-direction: column; gap: 1.2rem; }
.fIcon { width: 32px; height: 32px; color: var(--primary); }
.featureItem h3 { font-size: 0.85rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.1em; }
.featureItem p { font-size: 0.75rem; color: #777; line-height: 1.5; font-weight: 500; }

.hwImg { width: 100%; height: auto; border-radius: 4px; filter: saturate(0.8) contrast(1.1); }

/* 3. CALIBRATION (COMPATIBILITY FORMAT) */
.calibration { padding: 120px 0; background-color: var(--secondary); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.compGrid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 4rem; align-items: start; }
.compBox { background-color: var(--neutral); border: 1px solid var(--border); padding: 4rem; border-radius: 4px; width: 100%; height: 100%; }
.compBox h2 { font-size: 1.2rem; font-weight: 900; margin-bottom: 3.5rem; border-bottom: 1px solid var(--border); padding-bottom: 1.2rem; letter-spacing: 0.05em; text-align: center; }

.graphContainer { width: 100%; display: flex; align-items: center; justify-content: center; background-color: #fff; padding: 1.5rem; border-radius: 4px; border: 1px solid rgba(255,255,255,0.1); }
.graphImg { width: 100%; height: auto; object-fit: contain; }

.vList { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 3rem; }
.vItem { display: flex; justify-content: space-between; font-size: 1rem; padding-bottom: 1rem; border-bottom: 1px solid rgba(255, 255, 255, 0.03); align-items: center; }
.vTag { font-family: monospace; color: var(--primary); font-weight: 900; font-size: 1.5rem; text-transform: uppercase; }

.note { display: flex; gap: 1rem; color: var(--primary); font-size: 0.85rem; margin-top: 2rem; font-weight: 700; opacity: 0.8; line-height: 1.6; }

.ecuSupported { margin-top: 2.5rem; background-color: rgba(255,255,255,0.02); padding: 2rem; border-radius: 4px; border: 1px solid var(--border); text-align: center; }
.ecuRow { display: flex; flex-direction: column; gap: 1rem; }
.ecuRegion { font-size: 0.75rem; font-weight: 900; color: var(--primary); letter-spacing: 0.1em; }
.ecuVer { font-size: 0.9rem; color: #bbb; line-height: 1.6; }

@media (max-width: 1024px) {
    .heroGrid, .overviewGrid { grid-template-columns: 1fr; gap: 4rem; }
    .featuresGrid { grid-template-columns: 1fr; }
}