/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   Projects 頁專用樣式
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

.projects-hero {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: clamp(4rem, 7vw, 7rem) var(--pad-x) clamp(3rem, 5vw, 5rem);
    border-bottom: 1px solid var(--rule-strong);
}

.projects-eyebrow {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--vermilion);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--vermilion);
    display: inline-block;
}

.projects-hero h1 {
    font-family: 'Noto Sans TC', var(--sans);
    font-weight: 700;
    font-size: clamp(3.5rem, 7vw, 6rem);
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--ink);
    margin-bottom: 2rem;
}

.projects-intro {
    font-family: 'Noto Sans TC', var(--sans);
    font-size: clamp(1rem, 1.3vw, 1.2rem);
    line-height: 1.8;
    color: var(--ink-dim);
    max-width: 40ch;
    margin-bottom: 2.5rem;
}

.projects-anchor {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
}

.projects-anchor a {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--ink-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid transparent;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.projects-anchor a:hover {
    color: var(--vermilion);
    border-bottom-color: var(--vermilion);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
/* shared section block                */
/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.ip-block,
.gh-block,
.nodes-block,
.tools-block {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: clamp(4rem, 7vw, 7rem) var(--pad-x);
    border-top: 1px solid var(--rule);
}

.ip-block {
    border-top: none;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
/* ① IP — asymmetric, dark feature card */
/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.ip-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 1.5rem;
}

.ip-card {
    background: var(--paper-warm);
    border: 1px solid var(--rule);
    padding: 0;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    min-height: 460px;
    position: relative;
    overflow: hidden;
}

.ip-card-photo-game {
    background: linear-gradient(180deg, #1a1814, #0b0d0e);
}

.ip-card-photo-game img {
    object-fit: contain;
    object-position: center;
    padding: 1rem;
}

.ip-card::before {
    content: '';
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 8px;
    height: 8px;
    background: var(--ink-faint);
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: 2;
}

.ip-card:hover {
    transform: translateY(-3px);
}

.ip-card:hover::before {
    background: var(--vermilion);
}

.ip-card-photo {
    flex: 0 0 55%;
    overflow: hidden;
    background: var(--paper-warmer);
}

.ip-card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    display: block;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.ip-card:hover .ip-card-photo img {
    transform: scale(1.04);
}

.ip-card-body {
    padding: 1.8rem 1.8rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex: 1;
}

.ip-feature {
    background: var(--ink);
    color: var(--paper);
}

.ip-feature::before {
    background: var(--vermilion);
}

.ip-feature .ip-card-body {
    padding: 2rem 2rem 2.2rem;
}

.ip-card-cat {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--ink-fade);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.ip-feature .ip-card-cat {
    color: var(--paper-warm);
}

.ip-card h3 {
    font-family: 'Noto Sans TC', var(--sans);
    font-weight: 700;
    font-size: clamp(1.3rem, 1.8vw, 1.7rem);
    line-height: 1.2;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.ip-feature h3 {
    color: var(--paper);
    font-size: clamp(1.4rem, 2vw, 1.9rem);
}

.ip-card p {
    font-family: 'Noto Sans TC', var(--sans);
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--ink-dim);
    flex: 1;
}

.ip-feature p {
    color: var(--paper-warm);
}

.ip-card-link {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--ink);
    letter-spacing: 0.06em;
    margin-top: auto;
    padding-top: 0.8rem;
    border-top: 1px solid var(--rule);
}

.ip-feature .ip-card-link {
    color: var(--vermilion);
    border-top-color: rgba(244, 241, 232, 0.15);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
/* ② GitHub list                       */
/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.gh-list {
    list-style: none;
    border-top: 1px solid var(--rule);
}

.gh-list li {
    border-bottom: 1px solid var(--rule);
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.gh-list li:hover {
    background: linear-gradient(90deg, rgba(214, 59, 39, 0.04), transparent 50%);
}

.gh-list a {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: clamp(1.5rem, 3vw, 3rem);
    align-items: center;
    padding: 1.8rem 0;
    color: var(--ink);
}

.gh-thumb {
    aspect-ratio: 4 / 3;
    background: var(--paper-warm);
    border: 1px solid var(--rule);
    overflow: hidden;
    border-radius: 2px;
}

.gh-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    filter: contrast(1.02);
}

.gh-list li:hover .gh-thumb img {
    transform: scale(1.04);
}

.gh-thumb-text {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--paper-warm), var(--paper-warmer));
}

.gh-thumb-mark {
    font-family: 'Noto Sans TC', var(--sans);
    font-weight: 900;
    font-size: 3.2rem;
    color: var(--vermilion);
    letter-spacing: -0.03em;
    opacity: 0.85;
}

.gh-content {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.gh-meta {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.gh-tag {
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--vermilion);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.gh-stars {
    font-family: 'Noto Sans TC', var(--sans);
    font-size: 0.8rem;
    color: var(--ink-fade);
    letter-spacing: 0.04em;
}

.gh-list h3 {
    font-family: 'Noto Sans TC', var(--sans);
    font-weight: 700;
    font-size: clamp(1.2rem, 1.6vw, 1.5rem);
    line-height: 1.25;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin-bottom: 0.5rem;
}

.gh-list p {
    font-family: 'Noto Sans TC', var(--sans);
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--ink-dim);
    max-width: 55ch;
}

.gh-link {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--ink-dim);
    letter-spacing: 0.04em;
    margin-top: 0.4rem;
    padding-bottom: 0.2rem;
    border-bottom: 1px solid var(--ink-faint);
    align-self: flex-start;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.gh-list li:hover .gh-link {
    color: var(--vermilion);
    border-bottom-color: var(--vermilion);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
/* ③ ComfyUI nodes                      */
/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.nodes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.node-card {
    background: var(--paper-warm);
    border: 1px solid var(--rule);
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    color: var(--ink);
    min-height: 200px;
}

.node-card:hover {
    background: var(--paper-warmer);
    transform: translateY(-2px);
    border-color: var(--vermilion);
}

.node-cat {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--vermilion);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 0.3rem;
}

.node-card h3 {
    font-family: var(--sans);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.node-card p {
    font-family: 'Noto Sans TC', var(--sans);
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--ink-dim);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
/* ④ Tools — condensed list cluster    */
/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.tools-cluster {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(2.5rem, 4vw, 4rem);
}

.tool-group {
    border-top: 1px solid var(--rule-strong);
    padding-top: 2rem;
}

.tool-group-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--rule);
}

.tool-group-name {
    font-family: var(--sans);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.tool-group-note {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--ink-fade);
    letter-spacing: 0.08em;
}

.tool-list {
    list-style: none;
}

.tool-list li {
    border-bottom: 1px dashed var(--rule);
}

.tool-list a {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0;
    font-family: 'Noto Sans TC', var(--sans);
    font-size: 0.95rem;
    color: var(--ink);
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tool-list a::after {
    content: '↗';
    font-family: var(--sans);
    color: var(--ink-fade);
    font-size: 0.85rem;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tool-list a:hover {
    padding-left: 0.6rem;
    color: var(--vermilion);
}

.tool-list a:hover::after {
    color: var(--vermilion);
    transform: translate(0.2rem, -0.2rem);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
/* Responsive                          */
/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
@media (max-width: 960px) {
    .ip-grid {
        grid-template-columns: 1fr 1fr;
    }

    .ip-feature {
        grid-column: span 2;
    }

    .gh-list a {
        grid-template-columns: 180px 1fr;
        gap: 1rem;
    }

    .nodes-grid {
        grid-template-columns: 1fr 1fr;
    }

    .tools-cluster {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .ip-grid {
        grid-template-columns: 1fr;
    }

    .ip-feature {
        grid-column: span 1;
    }

    .nodes-grid {
        grid-template-columns: 1fr;
    }
}