/* ── Shared product page styles ──────────────────────────── */

/* Hero */
.prod-hero {
    padding: 8rem 0 4rem;
    text-align: center;
}

.prod-hero-inner {
    max-width: 980px;
    margin-inline: auto;
}

.prod-hero h1 {
    font-family: "Syne", "Inter", sans-serif;
    font-size: clamp(2.6rem, 4.6vw, 4.4rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.06;
    margin: 0.6rem 0 1.2rem;
}

.prod-hero-sub {
    color: var(--ink-1);
    font-size: clamp(1rem, 1.6vw, 1.4rem);
    font-weight: 300;
    line-height: 1.65;
    max-width: 980px;
    margin: 0 auto 2.2rem;
}

.prod-hero-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-bottom: 3rem;
}

.prod-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
    border: 1px solid var(--line-soft);
    border-radius: 0.7rem;
    background: var(--surface);
    backdrop-filter: blur(4px);
    overflow: hidden;
}

.prod-stat {
    flex: 1;
    min-width: 120px;
    padding: 1.2rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    border-right: 1px solid var(--line-soft);
}

.prod-stat:last-child {
    border-right: none;
}

.stat-num {
    font-family: "Syne", "Inter", sans-serif;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--ink-0);
    line-height: 1;
}

.stat-label {
    font-family: "Space Mono", monospace;
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-2);
}

/* Sections */
.prod-section {
    padding: 5rem 0;
}

.prod-section-alt {
    background: rgba(8, 14, 32, 0.45);
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}

.prod-section h2 {
    font-family: "Syne", "Inter", sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 500;
    letter-spacing: -0.01em;
    margin: 0.4rem 0 2.5rem;
}

/* Features grid */
.prod-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.prod-feature-card {
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: 0.6rem;
    padding: 1.5rem 1.2rem;
    backdrop-filter: blur(3px);
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    transition: border-color 200ms ease, background-color 200ms ease;
}

.prod-feature-card:hover {
    border-color: var(--line-strong);
    background: var(--surface-hover);
}

.prod-feature-card h3 {
    font-family: "Syne", "Inter", sans-serif;
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
    letter-spacing: 0.01em;
}

.prod-feature-card p {
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--ink-2);
    line-height: 1.6;
    margin: 0;
}

/* Steps */
.prod-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

.prod-step {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.step-num {
    font-family: "Space Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    color: var(--accent, #5c94ff);
    margin-bottom: 0.2rem;
}

.prod-step h3 {
    font-family: "Syne", "Inter", sans-serif;
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
}

.prod-step p {
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--ink-2);
    line-height: 1.6;
    margin: 0;
}

/* Use cases */
.prod-usecases {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.usecase-card {
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: 0.6rem;
    padding: 1.4rem 1.2rem;
    backdrop-filter: blur(3px);
    transition: border-color 200ms ease;
}

.usecase-card:hover {
    border-color: var(--line-strong);
}

.usecase-card h3 {
    font-family: "Syne", "Inter", sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    margin: 0 0 0.6rem;
}

.usecase-card p {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--ink-2);
    line-height: 1.6;
    margin: 0;
}

/* FAQ */
.prod-faq-wrap {
    max-width: 760px;
    margin-inline: auto;
}

.prod-faq-wrap h2 {
    margin-bottom: 1.8rem;
}

.prod-faq {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: 0.5rem;
    overflow: hidden;
    transition: border-color 200ms ease;
}

.faq-item[open] {
    border-color: var(--line-strong);
}

.faq-item summary {
    padding: 1.1rem 1.3rem;
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--ink-0);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: "+";
    font-family: "Space Mono", monospace;
    font-size: 1rem;
    color: var(--ink-2);
    flex-shrink: 0;
    transition: transform 200ms ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 1.3rem 1.1rem;
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--ink-2);
    line-height: 1.65;
    margin: 0;
}

.faq-item code {
    font-family: "Space Mono", monospace;
    font-size: 0.82em;
    background: rgba(92, 148, 255, 0.1);
    border: 1px solid rgba(92, 148, 255, 0.2);
    border-radius: 3px;
    padding: 0.1em 0.4em;
    color: #8ab4ff;
}

/* Code block */
.code-preview {
    max-width: 720px;
}

.code-block {
    margin-top: 1.2rem;
    background: rgba(4, 7, 18, 0.8);
    border: 1px solid var(--line-soft);
    border-radius: 0.6rem;
    padding: 1.4rem 1.6rem;
    overflow-x: auto;
}

.code-block code {
    font-family: "Space Mono", monospace;
    font-size: 0.82rem;
    color: #8ab4ff;
    line-height: 1.7;
    white-space: pre;
}

/* CTA section */
.prod-cta {
    padding: 5rem 0 7rem;
    text-align: center;
    border-top: 1px solid var(--line-soft);
}

.prod-cta h2 {
    font-family: "Syne", "Inter", sans-serif;
    font-size: clamp(1.6rem, 2.8vw, 2.4rem);
    font-weight: 500;
    letter-spacing: -0.01em;
    margin: 0 0 0.6rem;
}

.prod-cta p {
    color: var(--ink-1);
    font-weight: 300;
    font-size: clamp(0.9rem, 1.4vw, 1.1rem);
    margin: 0 0 2rem;
}

/* Responsive */
@media (max-width: 1100px) {
    .prod-features {
        grid-template-columns: repeat(2, 1fr);
    }
    .prod-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    .prod-usecases {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .prod-hero {
        padding: 6rem 0 3rem;
    }
    .prod-features,
    .prod-steps,
    .prod-usecases {
        grid-template-columns: 1fr;
    }
    .prod-stat {
        min-width: 90px;
    }
    .stat-num {
        font-size: 1.2rem;
    }
}