/* ── Sound View product page ─────────────── */

.product-nav {
    padding: 24px 0 8px;
}

.back-link {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--green-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--green);
    text-decoration: none;
}

/* ── hero ────────────────────────────────── */

.product-hero {
    padding: 16px 0 60px;
}

.product-hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 56px;
    align-items: center;
}

.product-title {
    font-family: var(--font-sans);
    font-size: 52px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: 20px;
}

.product-title .cli-prompt {
    font-family: var(--font-mono);
    color: var(--green);
    font-weight: 400;
}

.product-tagline {
    font-size: 17px;
    color: var(--text-dim);
    line-height: 1.75;
    margin-bottom: 32px;
    max-width: 520px;
}

.product-tagline strong {
    color: var(--green);
    font-weight: 600;
}

.product-hero-copy .hero-badge {
    margin-bottom: 24px;
}

.app-icon {
    display: block;
    width: 76px;
    height: 76px;
    border-radius: 20px;
    border: 1px solid rgba(0, 255, 10, 0.25);
    box-shadow: 0 0 30px rgba(0, 255, 10, 0.12);
    margin-bottom: 20px;
}

/* ── mock preview ────────────────────────── */

.preview {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: 18px;
    border: 1px solid rgba(0, 255, 10, 0.18);
    overflow: hidden;
    background:
        radial-gradient(120% 140% at 75% 12%, rgba(0, 255, 10, 0.10), transparent 55%),
        radial-gradient(90% 120% at 15% 92%, rgba(0, 229, 255, 0.10), transparent 55%),
        linear-gradient(160deg, #10130f 0%, #050705 60%, #000 100%);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 255, 10, 0.06);
}

.preview-top {
    position: absolute;
    top: 5.5%;
    left: 3.5%;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.preview-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    padding: 5px 12px;
    white-space: nowrap;
}

.rec-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #ff5252;
    box-shadow: 0 0 8px rgba(255, 82, 82, 0.8);
    animation: blink 1.2s step-end infinite;
}

.preview-panel {
    position: absolute;
    left: 3.5%;
    right: 3.5%;
    bottom: 5%;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.55);
    padding: 12px 14px 14px;
}

.preview-head {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 8px;
}

.preview-db {
    font-family: var(--font-sans);
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
}

.preview-unit {
    font-family: var(--font-mono);
    font-size: 10px;
    color: rgba(255, 255, 255, 0.65);
}

.preview-caption {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.14em;
    color: rgba(255, 255, 255, 0.5);
}

.preview-graph {
    position: relative;
    height: 64px;
    margin-bottom: 10px;
}

.preview-graph svg {
    width: 100%;
    height: 100%;
    display: block;
}

.preview-watermark {
    position: absolute;
    right: 4px;
    bottom: 0;
    font-family: var(--font-mono);
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: rgba(0, 229, 255, 0.9);
    text-shadow: 0 0 6px rgba(0, 0, 0, 0.9);
}

.preview-bar {
    height: 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    overflow: hidden;
}

.preview-bar span {
    display: block;
    height: 100%;
    width: 62%;
    border-radius: 999px;
    background: linear-gradient(90deg, #00e676, #b2ff59 45%, #ffd740 75%, #ff5252);
    box-shadow: 0 0 10px rgba(178, 255, 89, 0.5);
}

/* ── features ────────────────────────────── */

.features {
    padding: 60px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--bg-elevated);
    border: 1px solid rgba(0, 255, 10, 0.1);
    border-radius: 14px;
    padding: 26px;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    border-color: rgba(0, 255, 10, 0.35);
    box-shadow: 0 0 28px rgba(0, 255, 10, 0.06);
    transform: translateY(-2px);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 11px;
    background: var(--green-dim);
    border: 1px solid rgba(0, 255, 10, 0.22);
    color: var(--green);
    margin-bottom: 16px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 13.5px;
    color: var(--text-dim);
    line-height: 1.7;
}

/* ── how it works ────────────────────────── */

.how {
    padding: 60px 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.step {
    display: flex;
    gap: 16px;
    background: var(--bg-elevated);
    border: 1px solid rgba(0, 255, 10, 0.1);
    border-radius: 14px;
    padding: 24px;
}

.step-num {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    color: rgba(0, 255, 10, 0.45);
    min-width: 24px;
}

.step h3 {
    font-size: 15px;
    color: #fff;
    margin-bottom: 6px;
}

.step p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.65;
}

/* ── specs ───────────────────────────────── */

.specs {
    padding: 60px 0;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1px;
    background: rgba(0, 255, 10, 0.1);
    border: 1px solid rgba(0, 255, 10, 0.1);
    border-radius: 14px;
    overflow: hidden;
}

.spec {
    background: var(--bg-elevated);
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.spec-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(0, 255, 10, 0.5);
}

.spec-value {
    font-size: 15px;
    color: #fff;
    font-weight: 600;
}

/* ── responsive ──────────────────────────── */

@media (max-width: 860px) {
    .product-hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-hero-preview {
        order: -1;
    }

    .product-title {
        font-size: 40px;
    }
}

@media (max-width: 650px) {
    .product-title {
        font-size: 32px;
    }

    .product-tagline {
        font-size: 15px;
    }

    .preview-db {
        font-size: 18px;
    }

    .preview-graph {
        height: 52px;
    }

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