.ed *, .ed *::before, .ed *::after { box-sizing: border-box; }
.ed h1, .ed h2, .ed h3, .ed h4, .ed p { margin: 0; }

.ed {
    background: var(--surface);
    color: var(--ink);
}

.ed-hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 52vh;
    overflow: hidden;
}

.ed-hero-bg { position: absolute; inset: 0; z-index: 0; }

.ed-hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 35%;
    display: block;
}

.ed-hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 78% 18%, rgba(46,195,150,0.14), transparent 55%),
        linear-gradient(180deg, rgba(22,40,61,0.58) 0%, rgba(22,40,61,0.58) 32%, rgba(22,40,61,0.88) 80%, rgba(22,40,61,0.98) 100%);
}

.ed-hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 72px 24px 104px;
}

.ed-hero-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 22px;
}

.ed-hero-title {
    max-width: 940px;
    font-size: clamp(2.1rem, 4.4vw, 3.4rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    color: #ffffff;
    margin-bottom: 20px;
}

.ed-hero-desc {
    max-width: 680px;
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.75);
    margin-bottom: 36px;
}

.ed-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.ed-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 0.94rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.ed-btn i { font-size: 0.8em; transition: transform 0.22s var(--ease); }
.ed-btn:hover i { transform: translateX(3px); }

.ed-btn--primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-deep));
    color: #ffffff;
    border: 1px solid transparent;
    box-shadow: 0 4px 16px rgba(46,195,150,0.32);
}

.ed-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(46,195,150,0.42);
}

.ed-btn--ghost {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.28);
    color: #ffffff;
    backdrop-filter: blur(6px);
}

.ed-btn--ghost:hover {
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.ed-body {
    position: relative;
    z-index: 1;
    margin-top: -40px;
    border-top-left-radius: 36px;
    border-top-right-radius: 36px;
    background: var(--surface);
    overflow: hidden;
}

.video-library-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 72px 40px 96px;
}

.video-library-index {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    padding: 24px 28px;
    margin-bottom: 48px;
}

.video-library-index h4 {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--ink-3);
    margin: 0 0 14px;
}

.video-library-index ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.video-library-index a {
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s var(--ease);
}

.video-library-index a:hover { color: var(--accent-deep); }

.video-library-grid {
    display: flex;
    flex-direction: column;
    gap: 64px;
}

.video-card-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.video-card-inner.reverse-row .video-card-info { order: 2; }

.video-card-info h3 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin: 0 0 14px;
}

.video-card-info p {
    color: var(--ink-2);
    font-size: 1rem;
    line-height: 1.75;
    margin: 0;
}

.video-card-media {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 18px;
    overflow: hidden;
    background: #000;
    box-shadow: var(--shadow-md);
}

.video-card-media iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.video-card-media .video-placeholder {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 40px;
    text-align: center;
    background: var(--canvas-2);
}

.video-card-media .video-placeholder i { color: var(--ink-3); opacity: 0.6; }
.video-card-media .video-placeholder h3 { color: var(--ink-2); font-size: 1.05rem; font-weight: 600; margin: 0; }

.cp-accept-btn {
    color: var(--accent-deep);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
    transition: color 0.2s var(--ease);
}

.cp-accept-btn:hover { color: var(--accent); }

@media (max-width: 768px) {
    .ed-hero-inner { padding: 72px 20px 100px; }
    .ed-hero-cta { flex-direction: column; align-items: stretch; }
    .ed-btn { justify-content: center; }
    .video-library-container { padding: 48px 22px 64px; }
    .video-library-grid { gap: 44px; }
    .video-card-inner { grid-template-columns: 1fr; gap: 24px; }
    .video-card-inner.reverse-row .video-card-info { order: 0; }
}