/* TaoMate theme: warm-white + orange, centered hero, restructured layouts.
   Loaded after echo-page.css / gallery-mode.css and overrides them. */

/* ---------- Navigation with brand ---------- */
.video-bg-page .site-nav {
    grid-template-columns: minmax(120px, 1fr) auto minmax(120px, 1fr);
}

.nav-brand {
    grid-column: 1;
    justify-self: start;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 6px 4px;
    color: var(--text);
    font-family: "Space Grotesk", Inter, sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .04em;
}

.nav-brand::before {
    content: "";
    width: 12px;
    height: 12px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--red), #ffb066);
    box-shadow: 0 4px 12px rgba(249, 109, 0, .4);
    transform: rotate(45deg);
}

.video-bg-page .site-nav {
    background: rgba(255, 252, 247, .82);
    border: 1px solid var(--panel-border);
    box-shadow: 0 14px 44px rgba(122, 62, 0, .12);
}

/* ---------- Centered hero ---------- */
.video-bg-page .hero-centered {
    position: relative;
    z-index: 1;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 148px 24px 96px;
    text-align: center;
}

.hero-inner {
    width: min(1020px, 100%);
    margin: 0 auto;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 26px;
    padding: 8px 18px;
    border: 1px solid rgba(249, 109, 0, .4);
    border-radius: 999px;
    color: var(--red);
    background: rgba(255, 255, 255, .7);
    box-shadow: 0 10px 28px rgba(122, 62, 0, .08);
    font-family: "JetBrains Mono", monospace;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.hero-eyebrow::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--red);
    animation: heroPulse 1.8s ease-in-out infinite;
}

@keyframes heroPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .45; transform: scale(.72); }
}

.hero-title {
    margin: 0;
    font-family: "Space Grotesk", Inter, sans-serif;
    font-size: clamp(4.2rem, 12vw, 9.6rem);
    font-weight: 700;
    line-height: .95;
    letter-spacing: .01em;
    background: linear-gradient(100deg, #f96d00 12%, #ff9e50 48%, #d44e00 88%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    max-width: 880px;
    margin: 22px auto 0;
    color: var(--text);
    font-size: clamp(1.08rem, 2vw, 1.5rem);
    font-weight: 700;
    line-height: 1.42;
}

/* author block directly under the paper title in the hero */
.hero-authors {
    max-width: 880px;
    margin: 22px auto 0;
    color: var(--text);
    font-size: clamp(1rem, 1.8vw, 1.22rem);
    font-weight: 600;
    line-height: 1.6;
}

/* author links (Google Scholar) */
.hero-authors .author-link {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px dashed rgba(249, 109, 0, .45);
    transition: color .2s, border-color .2s;
}

.hero-authors .author-link:hover {
    color: var(--red);
    border-bottom-color: var(--red);
}

.hero-authors sup,
.hero-affiliations sup {
    color: var(--red);
    font-size: .72em;
    font-weight: 700;
}

.hero-affiliations {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 26px;
    margin: 8px auto 0;
    color: var(--text-soft);
    font-size: clamp(.92rem, 1.5vw, 1.05rem);
}

.hero-typewriter {
    min-height: 1.7em;
    margin: 20px auto 0;
    color: var(--red-soft);
    font-family: "JetBrains Mono", monospace;
    font-size: clamp(.98rem, 1.6vw, 1.28rem);
    font-weight: 700;
}

.hero-typewriter .typewriter-caret {
    background: var(--red);
}

.hero-copy {
    max-width: 700px;
    margin: 20px auto 0;
    color: var(--text-soft);
    font-size: 1.05rem;
    line-height: 1.8;
}

.hero-centered .hero-actions {
    justify-content: center;
    margin-top: 34px;
}

.hero-centered .btn-secondary {
    border-color: rgba(32, 23, 18, .2);
    color: var(--text);
    background: rgba(255, 255, 255, .78);
}

.hero-centered .btn-secondary:hover {
    border-color: var(--red);
    background: var(--red-wash);
}

/* stat strip: horizontal with dividers, not boxed cards */
.hero-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 58px auto 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.hero-stats > div {
    flex: 1 1 0;
    min-width: 0;
    padding: 22px clamp(14px, 2.5vw, 40px);
}

.hero-stats > div + div {
    border-left: 1px solid var(--line);
}

.hero-stats strong {
    display: block;
    color: var(--red);
    font-family: "JetBrains Mono", monospace;
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    line-height: 1;
}

.hero-stats span {
    display: block;
    margin-top: 9px;
    color: var(--text-soft);
    font-size: .86rem;
    font-weight: 600;
    line-height: 1.4;
}

/* scroll hint at hero bottom */
.hero-scroll-hint {
    position: absolute;
    left: 50%;
    bottom: 30px;
    display: grid;
    justify-items: center;
    gap: 8px;
    transform: translateX(-50%);
    color: var(--muted);
    font-family: "JetBrains Mono", monospace;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    text-decoration: none;
}

.hero-scroll-hint::after {
    content: "";
    width: 1px;
    height: 34px;
    background: linear-gradient(180deg, var(--red), transparent);
    animation: heroHintDrop 1.6s ease-in-out infinite;
}

@keyframes heroHintDrop {
    0% { transform: scaleY(.3); transform-origin: top; opacity: .4; }
    55% { transform: scaleY(1); opacity: 1; }
    100% { transform: scaleY(.3); transform-origin: top; opacity: .4; }
}

/* ---------- Section headers: left-aligned with index bar ---------- */
.video-bg-page .section-header {
    max-width: none;
    margin: 0 0 34px;
    text-align: left;
}

.video-bg-page .content-scroll-shell .section-header h2 {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--text);
    font-family: "Space Grotesk", Inter, sans-serif;
    letter-spacing: .01em;
}

.video-bg-page .content-scroll-shell .section-header h2::before {
    content: "";
    flex: 0 0 auto;
    width: 8px;
    height: 30px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--red), #ffb066);
}

.video-bg-page .section-header p:last-child {
    margin: 12px 0 0;
}

/* gallery headers used ID selectors in gallery-mode.css; reset to the new style */
.video-bg-page #long-video .section-header h2,
.video-bg-page #short-video .section-header h2 {
    display: flex;
    text-align: left;
}

/* av badge sits inline again (headers are left-aligned now) */
.video-bg-page .section-av-badge {
    position: static;
    margin: 0;
    transform: none;
}

.video-bg-page .av-badge {
    color: var(--red);
    background: rgba(249, 109, 0, .1);
    border-color: rgba(249, 109, 0, .35);
    box-shadow: none;
}

.video-bg-page .av-badge-icon {
    color: var(--red);
}

/* ---------- Overview: abstract + glance card ---------- */
.overview-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(280px, .75fr);
    gap: 30px;
    align-items: start;
}

.overview-grid .abstract-text {
    margin: 0;
    max-width: none;
    text-align: left;
}

.glance-card {
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    background: linear-gradient(180deg, #ffffff, #fff7ec);
    box-shadow: 0 18px 48px rgba(122, 62, 0, .1);
    overflow: hidden;
}

.glance-card h3 {
    margin: 0;
    padding: 18px 24px;
    border-bottom: 1px solid var(--line);
    color: var(--text);
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.glance-card dl {
    margin: 0;
    padding: 8px 24px 20px;
}

.glance-card div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 13px 0;
    border-bottom: 1px dashed var(--line);
}

.glance-card div:last-child {
    border-bottom: 0;
}

.glance-card dt {
    color: var(--text-soft);
    font-size: .88rem;
    font-weight: 600;
}

.glance-card dd {
    margin: 0;
    color: var(--red);
    font-family: "JetBrains Mono", monospace;
    font-size: 1.05rem;
    font-weight: 700;
    white-space: nowrap;
}

/* ---------- Method: three pillar cards ---------- */
.method-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.method-card {
    position: relative;
    padding: 30px 26px 26px;
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    background: linear-gradient(180deg, #ffffff, #fff9f1);
    box-shadow: 0 14px 40px rgba(122, 62, 0, .08);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    overflow: hidden;
}

.method-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--red), transparent 70%);
    opacity: 0;
    transition: opacity .2s ease;
}

.method-card:hover {
    transform: translateY(-5px);
    border-color: rgba(249, 109, 0, .45);
    box-shadow: 0 24px 60px rgba(122, 62, 0, .16);
}

.method-card:hover::after {
    opacity: 1;
}

.method-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    padding: 5px 12px;
    border-radius: 999px;
    color: var(--red);
    background: var(--red-wash);
    font-family: "JetBrains Mono", monospace;
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.method-card h3 {
    margin: 0;
    color: var(--text);
    font-size: 1.22rem;
    line-height: 1.3;
}

.method-card p {
    margin: 14px 0 0;
    color: var(--text-soft);
    font-size: .95rem;
    line-height: 1.7;
}

/* ---------- Gallery placeholders on light bg ---------- */
.video-bg-page .case-carousel.is-empty .case-carousel-viewport {
    border: 1px dashed rgba(249, 109, 0, .4);
    border-radius: 16px;
    background: rgba(249, 109, 0, .05);
}

.video-bg-page .case-carousel.is-empty .case-carousel-viewport::before {
    color: var(--muted);
}

.video-bg-page .case-nav {
    box-shadow: 0 10px 26px rgba(249, 109, 0, .34);
}

.video-bg-page .case-carousel-status {
    border-color: rgba(249, 109, 0, .4);
}

/* ---------- Results table tweaks ---------- */
.results-table thead th {
    background: linear-gradient(90deg, #f96d00, #ff8a34);
}

.results-table tbody tr:nth-child(2n) {
    background: #fff7ec;
}

.results-table .row-ours {
    background: rgba(249, 109, 0, .12);
}

.table-note {
    margin: 16px 4px 0;
    color: var(--muted);
    font-size: .84rem;
    line-height: 1.6;
}

/* ---------- Footer ---------- */
.video-bg-page .footer {
    background: linear-gradient(90deg, #f96d00, #ff8a34);
    min-height: 160px;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .overview-grid {
        grid-template-columns: 1fr;
    }

    .method-cards {
        grid-template-columns: 1fr;
    }

    .hero-stats > div + div {
        border-left: 0;
    }

    .hero-stats > div {
        flex: 1 1 40%;
        padding: 18px 16px;
    }
}

@media (max-width: 900px) {
    .video-bg-page .site-nav {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .nav-brand {
        grid-column: 1;
    }

    .hero-centered {
        padding: 120px 20px 80px;
    }

    .hero-title {
        font-size: clamp(3.4rem, 16vw, 6rem);
    }
}