/* Project */
.project-main {
    max-width: 920px;
    margin: 0 auto;
}

.project-hero {
    padding: 48px 0 64px;
}

.project-hero-content {
    max-width: 760px;
}

.project-label {
    margin-bottom: 12px;
    color: var(--tile-accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.project-hero h1 {
    font-size: clamp(3.5rem, 7vw, 5.5rem);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.05em;
}

.project-intro {
    max-width: 680px;
    margin-top: 28px;
    color: var(--text-dim);
    font-size: 1.3rem;
    line-height: 1.7;
}

.project-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 32px;
}

.project-button {
    justify-content: center;
    min-height: 44px;
    padding: 10px 18px;
    font-size: 1rem;
}

.project-hero-image {
    display: block;
    width: 100%;
    height: auto;
    margin-top: 64px;
    filter: drop-shadow(
        0 0 20px
        color-mix(in srgb, var(--tile-accent) 15%, transparent)
    );
}

.project-section {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 48px;
    padding: 24px 0 96px;
}

.project-section-divided {
    padding-top: 72px;
    border-top: 1px solid var(--tile-border);
}

.section-heading {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.section-heading>span {
    color: var(--tile-accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.section-heading h2 {
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.03em;
}

.section-content {
    max-width: 650px;
}

.section-content>p {
    margin-bottom: 20px;
    color: var(--text-dim);
    font-size: 1.15rem;
    line-height: 1.75;
}

.section-content>p:last-child {
    margin-bottom: 0;
}

/* How it works */
.flow-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.flow-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 16px;
}

.flow-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--tile-border);
    border-radius: 10px;
    color: var(--tile-accent);
    font-family: var(--font-mono);
    font-size: 1rem;
}

.flow-item h3 {
    margin-bottom: 5px;
    font-size: 1.3rem;
    font-weight: 600;
}

.flow-item p {
    color: var(--text-dim);
    font-size: 1.15rem;
    line-height: 1.7;
}

/* Shared note */
.notice {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-top: 28px;
    padding: 18px;
    border: 1px solid var(--tile-border);
    border-radius: 14px;
    background: color-mix(in srgb, var(--tile-accent) 5%, var(--tile-bg));
}

.notice i {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--tile-accent);
    font-size: 1.3rem;
}

.notice p {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Project footer */
.project-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    margin-top: 16px;
    padding: 64px 0 110px;
    border-top: 1px solid var(--tile-border);
}

.project-footer h2 {
    font-size: clamp(4rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.04em;
}

.project-footer .project-actions {
    margin-top: 0;
}

/* Responsive */
@media (max-width: 800px) {
    .site-header {
        margin-bottom: 15px;
    }

    .project-hero {
        padding: 32px 0 48px;
    }

    .project-hero h1 {
        font-size: clamp(3rem, 13vw, 4.5rem);
    }

    .project-intro {
        font-size: 1.1rem;
        line-height: 1.65;
    }

    .project-actions {
        gap: 8px;
        margin-top: 28px;
    }

    .project-button {
        min-height: 40px;
        padding: 9px 15px;
        font-size: 0.9rem;
    }

    .project-image {
        margin-bottom: 64px;
    }

    .image-placeholder {
        min-height: 300px;
    }

    .project-section {
        grid-template-columns: 1fr;
        gap: 20px;
        padding-bottom: 64px;
    }

    .project-section-divided {
        padding-top: 48px;
    }

    .section-heading {
        gap: 4px;
    }

    .section-heading h2 {
        font-size: 1.6rem;
    }

    .section-content>p {
        font-size: 1.1rem;
        line-height: 1.7;
    }

    .flow-list {
        gap: 24px;
    }

    .flow-item {
        grid-template-columns: 36px 1fr;
        gap: 14px;
    }

    .flow-number {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }

    .flow-item h3 {
        font-size: 1.15rem;
    }

    .flow-item p {
        font-size: 1.05rem;
        line-height: 1.65;
    }

    .notice {
        gap: 10px;
        margin-top: 24px;
        padding: 15px;
    }

    .notice i {
        font-size: 1.15rem;
    }

    .notice p {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .project-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 20px;
        padding-top: 48px;
        padding-bottom: 80px;
    }

    .project-footer .project-actions {
        margin-top: 0;
    }
}