/* Hero slider — sạch, tab rõ, chữ / ảnh tách */
.gt-section {
    background: transparent;
}

.gt-hero {
    --gt-autoplay: 6.5s;
    --gt-inset: 5%;
    position: relative;
    height: min(70vh, 580px);
    min-height: 480px;
    overflow: hidden;
    background:
        radial-gradient(ellipse 45% 50% at 92% 12%, rgba(232, 163, 23, 0.22), transparent 55%),
        radial-gradient(ellipse 40% 45% at 8% 85%, rgba(214, 40, 40, 0.1), transparent 50%),
        radial-gradient(ellipse 55% 60% at 8% 20%, rgba(142, 196, 234, 0.32), transparent 55%),
        radial-gradient(ellipse 50% 55% at 92% 30%, rgba(0, 58, 140, 0.1), transparent 50%),
        linear-gradient(165deg, #ffffff 0%, #eef5fb 45%, #e3eef8 100%);
    border-bottom: 1px solid rgba(0, 58, 140, 0.08);
}

.gt-slides {
    position: relative;
    height: 100%;
}

.gt-slide {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: clamp(20px, 2.5vw, 36px);
    padding: 40px var(--gt-inset) 100px;
    box-sizing: border-box;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 0;
}
.gt-slide.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    z-index: 2;
}

.gt-hero-copy {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-width: 0;
    padding: 0;
    background: transparent;
}

.gt-hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: none;
    margin: 0;
    text-align: left;
}

.gt-hero-media {
    position: relative;
    min-width: 0;
    width: 100%;
    height: min(440px, calc(100% - 16px));
    overflow: hidden;
    background: #ffffff;
    border: 1px solid rgba(0, 58, 140, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}
.gt-hero-media::after {
    display: none;
}
.gt-hero-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    display: block;
}

.gt-brand {
    font-family: var(--font-display);
    font-size: clamp(22px, 2.8vw, 30px);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
    color: var(--ink);
    margin: 0 0 14px;
}
.gt-brand span {
    color: var(--brand);
}

.gt-slide-kicker {
    display: inline-flex;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold-deep);
    background: rgba(232, 163, 23, 0.16);
    border: 1px solid rgba(232, 163, 23, 0.35);
    padding: 7px 12px;
    border-radius: 8px;
    margin: 0 0 14px;
}

.gt-title {
    font-family: var(--font-display);
    font-size: clamp(26px, 3.2vw, 38px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--ink);
    margin: 0 0 14px;
    max-width: none;
    white-space: nowrap;
}

.gt-lead {
    font-size: clamp(15px, 1.4vw, 17.5px);
    line-height: 1.55;
    color: var(--ink-soft);
    max-width: 40ch;
    margin: 0 0 28px;
    white-space: normal;
}

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

.gt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 700;
    padding: 14px 22px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    text-decoration: none !important;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.gt-btn:hover {
    transform: translateY(-2px);
}

.gt-btn-primary {
    background: var(--grad-brand);
    color: #fff !important;
    box-shadow: 0 10px 24px rgba(0, 58, 140, 0.22);
}
.gt-btn-primary:hover {
    background: var(--grad-brand-hover);
    color: #fff !important;
}

.gt-btn-ghost {
    background: #fff;
    border-color: rgba(0, 58, 140, 0.22);
    color: var(--brand) !important;
}
.gt-btn-ghost:hover {
    border-color: var(--brand);
    background: rgba(0, 58, 140, 0.04);
}

/* Tabs điều khiển — rõ ràng, có progress */
.gt-hero-nav {
    position: absolute;
    left: var(--gt-inset);
    right: auto;
    bottom: 22px;
    z-index: 4;
    display: flex;
    align-items: stretch;
    gap: 8px;
    width: min(480px, calc(42% - 20px));
    max-width: min(480px, calc(42% - 20px));
    transform: none;
    justify-content: flex-start;
}
.gt-hero-tab {
    position: relative;
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 10px 12px 12px;
    border: 1px solid rgba(0, 58, 140, 0.12);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.88);
    color: var(--ink-soft);
    cursor: pointer;
    text-align: left;
    box-shadow: 0 4px 14px rgba(0, 46, 104, 0.06);
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
    overflow: hidden;
}
.gt-hero-tab:hover {
    border-color: rgba(0, 58, 140, 0.28);
    transform: translateY(-1px);
}
.gt-hero-tab.is-active {
    background: #fff;
    border-color: rgba(0, 58, 140, 0.35);
    color: var(--ink);
    box-shadow: 0 8px 20px rgba(0, 46, 104, 0.1);
}
.gt-hero-tab-num {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--brand);
}
.gt-hero-tab-label {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}
.gt-hero-tab.is-active .gt-hero-tab-bar {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 3px;
    width: 100%;
    background: var(--grad-brand);
}
.gt-hero-tab.is-active .gt-hero-tab-num {
    color: var(--brand);
}

/* Stats — thẻ bấm nổi, có icon */
.gt-stats {
    position: relative;
    z-index: 2;
    margin-top: -20px;
    padding: 0 0 8px;
}
.gt-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 12px;
    background:
        radial-gradient(ellipse 35% 80% at 0% 50%, rgba(47, 158, 106, 0.12), transparent 60%),
        radial-gradient(ellipse 35% 80% at 100% 50%, rgba(0, 65, 144, 0.1), transparent 60%),
        rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 65, 144, 0.12);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}
.gt-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 18px 14px 16px;
    border-radius: var(--radius-lg);
    text-align: center;
    text-decoration: none !important;
    color: inherit;
    background: #ffffff;
    border: 1px solid rgba(0, 58, 140, 0.1);
    box-shadow: var(--shadow-sm);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.gt-stat:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 58, 140, 0.28);
    box-shadow: var(--shadow-md);
    background: #ffffff;
}
.gt-stat-icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    margin-bottom: 2px;
    border-radius: 12px;
    color: var(--leaf);
    background: rgba(47, 158, 106, 0.14);
}
.gt-stat-icon svg {
    width: 22px;
    height: 22px;
    display: block;
}
.gt-stat:nth-child(2) .gt-stat-icon {
    color: var(--brand);
    background: rgba(0, 65, 144, 0.1);
}
.gt-stat:nth-child(3) .gt-stat-icon {
    color: var(--gold-deep);
    background: rgba(232, 163, 23, 0.16);
}
.gt-stat:nth-child(4) .gt-stat-icon {
    color: var(--ember);
    background: rgba(214, 40, 40, 0.1);
}
.gt-stat strong {
    font-family: var(--font-display);
    font-size: clamp(26px, 2.8vw, 32px);
    color: var(--ink);
    line-height: 1;
    letter-spacing: -0.02em;
}
.gt-stat:nth-child(1) strong { color: var(--leaf-deep); }
.gt-stat:nth-child(2) strong { color: var(--brand); }
.gt-stat:nth-child(3) strong { color: var(--gold-deep); }
.gt-stat:nth-child(4) strong { color: var(--ember); }
.gt-stat > span:last-child {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--ink-soft);
    line-height: 1.35;
}
.gt-stat:hover > span:last-child {
    color: var(--brand);
}

/* Hero = khối “Về Ngọc Khuê” */
.gt-about-wrap {
    background: var(--bg-zone-mist);
    padding-top: clamp(40px, 5vw, 56px);
    padding-bottom: var(--section-y);
}
.gt-about-wrap--hero {
    background:
        radial-gradient(ellipse 50% 55% at 92% 10%, rgba(232, 163, 23, 0.16), transparent 55%),
        radial-gradient(ellipse 45% 50% at 5% 90%, rgba(47, 158, 106, 0.1), transparent 50%),
        radial-gradient(ellipse 55% 60% at 10% 20%, rgba(142, 196, 234, 0.22), transparent 55%),
        linear-gradient(165deg, #ffffff 0%, #f3f8fc 45%, #eaf3f8 100%);
    padding-top: clamp(36px, 5vw, 56px);
    padding-bottom: clamp(48px, 6vw, 72px);
    border-bottom: 1px solid rgba(0, 58, 140, 0.08);
}

.gt-about {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: center;
}

.gt-about-text .gt-brand {
    margin: 0 0 12px;
    font-size: clamp(20px, 2.4vw, 28px);
}
.gt-about-text .gt-brand span {
    color: var(--brand);
}

.gt-eyebrow {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ember);
    margin: 0 0 10px;
    padding: 4px 10px;
    background: linear-gradient(135deg, rgba(214, 40, 40, 0.1), rgba(232, 163, 23, 0.18));
    border-radius: 8px;
    border: 1px solid rgba(232, 163, 23, 0.35);
}

.gt-about-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 3.2vw, 42px);
    margin: 0 0 14px;
    color: var(--ink);
    line-height: 1.18;
    letter-spacing: -0.03em;
    white-space: normal;
}

.gt-about-lead,
.gt-about-text > p {
    margin: 0 0 22px;
    color: var(--ink-soft);
    font-size: clamp(15px, 1.4vw, 17.5px);
    line-height: 1.55;
    max-width: 42ch;
    white-space: normal;
}

.gt-about-text .gt-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.gt-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 26px;
}
.gt-feature {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px 16px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(213, 224, 236, 0.9);
    background: #fff;
    box-shadow: var(--shadow-sm);
    text-decoration: none !important;
    color: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.gt-feature:hover {
    border-color: rgba(0, 58, 140, 0.25);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.gt-feature:hover h3 {
    color: var(--brand);
}
.gt-feature strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 800;
    color: #fff;
    background: var(--grad-ember);
    line-height: 1;
}
.gt-feature:nth-child(2) strong {
    background: var(--grad-gold);
    color: var(--ink);
}
.gt-feature:nth-child(3) strong {
    background: var(--grad-brand);
}
.gt-feature h3 {
    font-size: 15px;
    margin: 0 0 4px;
    color: var(--ink);
    transition: color 0.2s ease;
}
.gt-feature p {
    margin: 0;
    font-size: 13.5px;
    color: var(--muted);
    line-height: 1.45;
}

.gt-link {
    display: inline-flex;
    align-items: center;
    font-size: 15px;
    font-weight: 700;
    color: var(--brand);
    text-decoration: none !important;
    padding: 10px 16px;
    border-radius: var(--radius);
    border: 1px solid rgba(0, 58, 140, 0.2);
    background: #fff;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, gap 0.2s ease;
    gap: 6px;
}
.gt-link:hover {
    color: var(--brand-deep);
    border-color: var(--brand);
    background: rgba(0, 58, 140, 0.04);
    gap: 10px;
}

.gt-about-photo {
    margin: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    background: #f5f7fa;
}
.gt-about-photo::before {
    display: none;
}
.gt-about-photo img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: min(480px, 52vw);
    object-fit: cover;
    border-radius: var(--radius-lg);
    display: block;
}

.gt-stats--after-hero {
    margin-top: -28px;
    padding: 0 0 8px;
    position: relative;
    z-index: 2;
}
.gt-about-caption {
    position: absolute;
    left: 18px;
    bottom: 18px;
    z-index: 2;
    margin: 0;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--ink);
    background: linear-gradient(135deg, #ffe9a8, #fff6d6);
    border: 1px solid rgba(232, 163, 23, 0.45);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

@media (max-width: 960px) {
    .gt-hero {
        height: auto;
        min-height: 0;
        display: flex;
        flex-direction: column;
    }
    .gt-slides {
        height: auto;
        flex: 1;
    }
    .gt-slide {
        position: relative;
        inset: auto;
        display: none;
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 28px var(--gt-inset) 20px;
        min-height: 0;
        transform: none;
    }
    .gt-slide.is-active {
        display: grid;
    }
    .gt-hero-copy {
        padding: 0;
        justify-content: flex-start;
        width: 100%;
    }
    .gt-hero-content {
        max-width: none;
        margin: 0;
    }
    .gt-hero-media {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
    }
    .gt-hero-media::after {
        display: none;
    }
    .gt-title {
        white-space: normal;
    }
    .gt-hero-nav {
        position: relative;
        left: auto;
        bottom: auto;
        width: auto;
        max-width: none;
        margin: 0;
        padding: 12px var(--gt-inset) 16px;
        transform: none;
        gap: 6px;
        order: 2;
    }
    .gt-hero-tab {
        padding: 8px 10px 10px;
    }
    .gt-hero-tab-label {
        font-size: 12px;
    }
    .gt-stats,
    .gt-stats--after-hero {
        margin-top: -18px;
    }
    .gt-stats-row {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
    .gt-about {
        grid-template-columns: 1fr;
    }
    .gt-about-photo img {
        height: min(320px, 70vw);
    }
    .gt-about-text .gt-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .gt-about-text .gt-btn,
    .gt-about-text .gt-link {
        justify-content: center;
        text-align: center;
    }
    .gt-about-title,
    .gt-about-text > p {
        white-space: normal;
    }
    .gt-feature-grid {
        grid-template-columns: 1fr;
    }
    .gt-about-photo img {
        height: 240px;
    }
    .gt-about-photo::before {
        display: none;
    }
}
@media (max-width: 560px) {
    .gt-stats-row {
        grid-template-columns: 1fr 1fr;
    }
    .gt-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .gt-btn {
        width: 100%;
    }
}
