/* Trang kiem tra trinh duyet (verify.aspx) - giao dien 2026 */
:root {
    --vf-orange: #f26a1d;
    --vf-teal: #0e6767;
    --vf-ink: #141a26;
    --vf-deep: #06393b;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: "Space Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--vf-ink);
    background: var(--vf-deep);
}

#turnstile_form {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
}

.vf-container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 clamp(16px, 5vw, 96px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

/* topbar */
.vf-topbar {
    background: var(--vf-teal);
    color: #fff;
    font-size: 13px;
}

.vf-topbar .vf-container {
    min-height: 40px;
}

.vf-secure {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* header */
.vf-header {
    background: #fff;
    position: relative;
    z-index: 2;
}

.vf-header .vf-container {
    min-height: 84px;
}

.vf-logo {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--vf-ink);
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--vf-orange);
    color: #fff;
    font-weight: 700;
    font-style: italic;
    font-size: 26px;
    letter-spacing: -.04em;
    line-height: 1;
    border-radius: 10px;
    padding: 9px 9px 9px 7px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text strong {
    font-size: 30px;
    font-weight: 700;
    font-style: italic;
    letter-spacing: -.03em;
}

.logo-text small {
    font-size: 12px;
    font-style: italic;
    margin-top: 3px;
}

.vf-tools {
    display: flex;
    align-items: center;
}

.vf-tools > * {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 24px;
    border-left: 1px solid #e3e5e8;
    font-size: 15px;
    color: var(--vf-ink);
}

.vf-tools > *:last-child {
    padding-right: 0;
}

.vf-tools i {
    font-size: 18px;
}

.vf-tools a:hover {
    color: var(--vf-orange);
}

.gt_switcher_wrapper {
    position: unset !important;
}

.gt_switcher-popup {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--vf-ink);
}

.gt_switcher-popup img {
    display: none !important;
}

.gt_switcher-popup span {
    font-size: 15px !important;
    color: var(--vf-ink) !important;
}

/* stage */
.vf-stage {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 32px 16px 56px;
    color: #fff;
    background:
        radial-gradient(ellipse 55% 45% at 50% 30%, rgba(87, 196, 186, .35), transparent 70%),
        radial-gradient(ellipse 90% 70% at 50% 100%, rgba(3, 30, 31, .9), transparent 70%),
        linear-gradient(180deg, #0f5d60 0%, #0a4c4f 45%, #06393b 100%);
}

.vf-arch {
    position: absolute;
    top: 0;
    bottom: 22%;
    width: 22%;
    max-width: 320px;
    border: 2px solid rgba(255, 196, 120, .35);
    background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .06) 0 1px, transparent 1px 34px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 34px),
        linear-gradient(180deg, rgba(20, 110, 108, .55), rgba(6, 57, 59, .2));
    box-shadow: inset 0 -60px 80px -40px rgba(255, 179, 92, .45);
}

.vf-arch-left {
    left: -4%;
    border-left: 0;
    border-radius: 0 0 0 0;
    border-top-right-radius: 100% 40%;
}

.vf-arch-right {
    right: -4%;
    border-right: 0;
    border-top-left-radius: 100% 40%;
}

.vf-floor {
    position: absolute;
    left: 50%;
    bottom: 6%;
    width: min(1240px, 92vw);
    height: 170px;
    transform: translateX(-50%);
    border-radius: 50%;
    background: radial-gradient(ellipse at 50% 40%, rgba(19, 104, 103, .9), rgba(5, 45, 47, .95) 70%);
    box-shadow: 0 0 0 2px rgba(255, 196, 120, .18), 0 30px 60px rgba(0, 0, 0, .45), inset 0 10px 30px rgba(127, 224, 214, .12);
}

.vf-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 820px;
    text-align: center;
}

.vf-art {
    width: min(400px, 80vw);
    margin: 0 auto 4px;
    filter: drop-shadow(0 18px 30px rgba(0, 0, 0, .35));
}

.vf-art svg {
    display: block;
    width: 100%;
    height: auto;
}

.vf-eyebrow {
    display: block;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: .38em;
    text-transform: uppercase;
    color: #7fe0d6;
}

.vf-title {
    margin: 8px 0 10px;
    font-size: clamp(36px, 6vw, 68px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -.02em;
    color: #fff;
}

.vf-title em {
    font-style: normal;
    color: var(--vf-orange);
}

.vf-sub {
    margin: 0 0 22px;
    font-size: clamp(16px, 2vw, 22px);
    color: rgba(255, 255, 255, .9);
}

.vf-widget {
    display: flex;
    justify-content: center;
    min-height: 70px;
}

.vf-widget .cf-turnstile {
    width: 100%;
    max-width: 420px;
}

.vf-note {
    margin: 18px 0 0;
    font-size: 17px;
    line-height: 1.55;
    color: rgba(255, 255, 255, .92);
}

.vf-divider {
    width: min(720px, 90%);
    height: 1px;
    margin: 28px auto 22px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent);
}

.vf-info {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 16px;
    color: rgba(255, 255, 255, .92);
}

.vf-info i {
    font-size: 24px;
}

.vf-help {
    margin: 14px 0 0;
    font-size: 15px;
    color: rgba(255, 255, 255, .85);
}

.vf-help a {
    margin-left: 6px;
    font-weight: 700;
    color: var(--vf-orange);
}

.vf-help a:hover {
    color: #ff8f4d;
}

/* footer */
.vf-footer {
    background: #fff;
    font-size: 14px;
    color: #4b5563;
}

.vf-footer .vf-container {
    min-height: 52px;
}

.vf-links {
    display: inline-flex;
    gap: 10px;
}

.vf-links a {
    color: #4b5563;
}

.vf-links a:hover {
    color: var(--vf-orange);
}

.vf-links i {
    font-style: normal;
}

@media (max-width: 767px) {
    .vf-topbar .vf-container > span:first-child {
        display: none;
    }

    .vf-topbar .vf-container {
        justify-content: flex-end;
    }

    .vf-header .vf-container {
        min-height: 68px;
    }

    .logo-mark {
        font-size: 20px;
        padding: 7px 7px 7px 5px;
    }

    .logo-text strong {
        font-size: 22px;
    }

    .vf-tools > * {
        padding: 0 12px;
        font-size: 13px;
    }

    .vf-tools a {
        font-size: 0;
    }

    .vf-tools a i {
        font-size: 20px;
    }

    .vf-arch {
        display: none;
    }

    .vf-footer .vf-container {
        flex-direction: column;
        justify-content: center;
        padding-top: 12px;
        padding-bottom: 12px;
        gap: 6px;
    }
}