.ot-hero {
            padding: 148px 0 84px;
            background: linear-gradient(148deg, #eff6ff 0%, #f4f6fb 42%, #fff7ed 100%);
            position: relative;
            overflow: hidden;
        }
        .ot-hero-blob1 {
            position: absolute; border-radius: 50%; filter: blur(72px); pointer-events: none;
            width: 420px; height: 420px; top: -100px; right: -80px;
            background: rgba(59,130,246,.11);
            animation: blobFloat 10s ease-in-out infinite;
        }
        .ot-hero-blob2 {
            position: absolute; border-radius: 50%; filter: blur(72px); pointer-events: none;
            width: 320px; height: 320px; bottom: -80px; left: -60px;
            background: rgba(249,115,22,.09);
            animation: blobFloat 13s ease-in-out infinite reverse;
        }

        .ot-hero-inner {
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 64px;
            align-items: center;
            position: relative; z-index: 2;
        }

        .ot-tag {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 5px 14px 5px 7px; border-radius: 100px;
            background: #fff; border: 1.5px solid rgba(59,130,246,.28);
            box-shadow: var(--shadow);
            font-size: .72rem; font-weight: 700; letter-spacing: .09em;
            text-transform: uppercase; color: var(--teal-deep);
            margin-bottom: 22px;
        }
        .ot-tag-dot {
            width: 22px; height: 22px; border-radius: 50%;
            background: linear-gradient(135deg, var(--teal-deep), var(--teal));
            display: flex; align-items: center; justify-content: center;
            font-size: .7rem; color: #fff;
        }

        .ot-hero-h {
            font-family: var(--font-h);
            font-size: clamp(2.8rem, 4.8vw, 4.4rem);
            font-weight: 300; line-height: 1.07;
            letter-spacing: -.025em; color: var(--text);
            margin-bottom: 18px;
        }
        .ot-hero-h strong { font-weight: 700; display: block }
        .ot-hero-h em {
            font-style: italic; font-weight: 300;
            background: linear-gradient(135deg, var(--teal-deep) 0%, var(--teal) 50%, var(--indigo) 100%);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }

        .ot-hero-desc {
            font-size: 1rem; color: var(--text-3);
            line-height: 1.85; max-width: 500px; margin-bottom: 34px;
        }

        .ot-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

        /* hero image card */
        .ot-img-card {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1.5px solid var(--border);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            position: relative;
        }
        .ot-img-bar {
            height: 4px;
            background: linear-gradient(90deg, var(--teal-deep), var(--teal), var(--indigo));
            background-size: 200%; animation: gradShift 4s ease infinite;
        }
        .ot-img-wrap {
            width: 100%; aspect-ratio: 4/3; overflow: hidden;
            background: linear-gradient(135deg, #dbeafe, #eff6ff);
            display: flex; align-items: center; justify-content: center;
        }
        .ot-img-wrap img {
            width: 100%; height: 100%; object-fit: cover;
            display: block; transition: transform .5s var(--ease);
        }
        .ot-img-card:hover .ot-img-wrap img { transform: scale(1.04) }
        .ot-img-placeholder {
            font-size: 4rem; opacity: .25;
        }
        .ot-img-caption {
            padding: 16px 20px;
            display: flex; align-items: center; gap: 10px;
        }
        .ot-cap-dot {
            width: 8px; height: 8px; border-radius: 50%;
            background: var(--teal); animation: blink 1.6s infinite;
        }
        .ot-cap-txt { font-size: .78rem; font-weight: 600; color: var(--text-3) }

        /* ── Divider ── */
        .ot-div {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-2) 30%, var(--border-2) 70%, transparent);
        }

        /* ── Features ── */
        .ot-features { padding: 80px 0; background: #fff; }

        .ot-sec-label {
            display: inline-flex; align-items: center; gap: 7px;
            padding: 4px 12px; border-radius: 100px;
            background: var(--teal-dim);
            font-size: .68rem; font-weight: 700; letter-spacing: .12em;
            text-transform: uppercase; color: var(--teal-deep);
            margin-bottom: 12px;
        }
        .ot-sec-h {
            font-family: var(--font-h);
            font-size: clamp(1.7rem, 3.2vw, 2.6rem);
            font-weight: 300; line-height: 1.12;
            letter-spacing: -.02em; color: var(--text);
            margin-bottom: 48px;
        }
        .ot-sec-h strong { font-weight: 700 }
        .ot-sec-h em {
            font-style: italic;
            background: linear-gradient(135deg, var(--teal-deep), var(--indigo));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }

        .ot-feat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .ot-feat-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            border: 1.5px solid var(--border);
            padding: 26px 22px;
            box-shadow: var(--shadow);
            transition: all .32s var(--ease);
            position: relative; overflow: hidden;
        }
        .ot-feat-card::before {
            content: '';
            position: absolute; top: 0; left: 0; right: 0; height: 3px;
            transform: scaleX(0); transition: transform .32s var(--ease);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .ot-feat-card.c-t::before { background: linear-gradient(90deg, var(--teal-deep), var(--teal)) }
        .ot-feat-card.c-i::before { background: linear-gradient(90deg, var(--indigo-deep), var(--indigo)) }
        .ot-feat-card.c-r::before { background: linear-gradient(90deg, #d97706, var(--rose)) }

        .ot-feat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(59,130,246,.2);
            background: #fff;
        }
        .ot-feat-card:hover::before { transform: scaleX(1) }

        .ot-feat-icon {
            width: 46px; height: 46px; border-radius: 12px;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.2rem; margin-bottom: 16px;
        }
        .ic-t { background: var(--teal-dim); color: var(--teal-deep) }
        .ic-i { background: var(--indigo-dim); color: var(--indigo-deep) }
        .ic-r { background: var(--rose-dim); color: #92400e }

        .ot-feat-card h3 { font-size: .9rem; font-weight: 700; color: var(--text); margin-bottom: 7px }
        .ot-feat-card p  { font-size: .8rem; color: var(--text-3); line-height: 1.7 }

        /* ── Image Section ── */
        .ot-gallery { padding: 80px 0; background: var(--bg); }

        .ot-gallery-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr;
            grid-template-rows: 220px 220px;
            gap: 14px;
            margin-top: 44px;
        }

        .ot-gimg {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1.5px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
            background: linear-gradient(135deg, #dbeafe, #eff6ff);
            transition: all .35s var(--ease);
        }
        .ot-gimg:first-child {
            grid-row: span 2;
        }
        .ot-gimg img {
            width: 100%; height: 100%; object-fit: cover;
            display: block; transition: transform .5s var(--ease);
        }
        .ot-gimg:hover { box-shadow: var(--shadow-lg); transform: scale(1.015) }
        .ot-gimg:hover img { transform: scale(1.06) }

        .ot-gimg-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(to top, rgba(10,15,30,.45), transparent 55%);
            opacity: 0; transition: opacity .35s var(--ease);
            display: flex; align-items: flex-end; padding: 16px;
        }
        .ot-gimg:hover .ot-gimg-overlay { opacity: 1 }
        .ot-gimg-overlay span {
            font-size: .75rem; font-weight: 600; color: #fff;
            background: rgba(255,255,255,.18); backdrop-filter: blur(8px);
            padding: 4px 12px; border-radius: 100px;
        }

        /* placeholder when no images loaded */
        .ot-gimg-ph {
            width: 100%; height: 100%;
            display: flex; align-items: center; justify-content: center;
            flex-direction: column; gap: 8px;
            color: var(--text-4);
        }
        .ot-gimg-ph i { font-size: 2.2rem; opacity: .35 }
        .ot-gimg-ph span { font-size: .72rem; font-weight: 500 }

        /* ── CTA ── */
        .ot-cta { padding: 80px 0; background: #fff; }

        .ot-cta-inner {
            background: linear-gradient(148deg, #eff6ff 0%, #fff7ed 100%);
            border: 1.5px solid rgba(59,130,246,.18);
            border-radius: var(--radius-xl);
            padding: 60px 52px;
            text-align: center;
            position: relative; overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .ot-cta-inner::before {
            content: '';
            position: absolute; top: 0; left: 50%; transform: translateX(-50%);
            width: 140px; height: 3px;
            background: linear-gradient(90deg, var(--teal-deep), var(--indigo));
            border-radius: 0 0 4px 4px;
        }
        .ot-cta-h {
            font-family: var(--font-h);
            font-size: clamp(1.9rem, 3.5vw, 3rem);
            font-weight: 300; line-height: 1.1;
            letter-spacing: -.02em; color: var(--text); margin-bottom: 14px;
        }
        .ot-cta-h strong { font-weight: 700 }
        .ot-cta-h em {
            font-style: italic;
            background: linear-gradient(135deg, var(--teal-deep), var(--indigo));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }
        .ot-cta-p {
            font-size: .93rem; color: var(--text-3);
            line-height: 1.8; max-width: 460px; margin: 0 auto 34px;
        }
        .ot-cta-btns { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

        /* ── Responsive ── */
        @media (max-width: 1024px) {
            .ot-hero-inner { grid-template-columns: 1fr; gap: 48px }
            .ot-img-card { max-width: 460px }
            .ot-feat-grid { grid-template-columns: 1fr 1fr }
            .ot-gallery-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 200px 200px }
            .ot-gimg:first-child { grid-row: span 1 }
        }
        @media (max-width: 768px) {
            .ot-hero { padding-top: 100px; padding-bottom: 56px }
            .ot-feat-grid { grid-template-columns: 1fr }
            .ot-gallery-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 160px 160px }
            .ot-cta-inner { padding: 44px 22px }
        }
        @media (max-width: 480px) {
            .ot-gallery-grid { grid-template-columns: 1fr; grid-template-rows: auto }
            .ot-gimg { height: 200px }
            .ot-gimg:first-child { grid-row: span 1 }
        }