/* ==========================================================================
   Popup "Đăng ký nhận ưu đãi"
   Site chạy Bootstrap 3.3.6 — mọi rule ở đây đều scope dưới #popupPromo
   để không đụng tới modal khác. Giao diện dựng theo mẫu public/example.jpg.
   ========================================================================== */

#popupPromo {
    --promo-orange: #f5811f;
    --promo-blue: #1b4f9c;
    --promo-navy: #22315a;
    --promo-red: #e02f2f;
    text-align: center;
}

/* ---------- Khung & nền ---------- */

#popupPromo .promo-dialog {
    width: auto;
    max-width: 470px;
    margin: 0 auto;
    padding: 30px 12px;
}

/* Canh giữa dọc. BS3 không có modal-dialog-centered nên tự làm bằng flex. */
#popupPromo.in {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

#popupPromo .promo-card {
    position: relative;
    overflow: hidden;
    border: 6px solid var(--promo-orange);
    border-radius: 18px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .45);
    background-color: #ffe100;
    /* Nắng vàng toả từ giữa + tia mảnh, thay cho ảnh nền bitmap. */
    background-image:
        repeating-conic-gradient(from 0deg at 50% 34%,
            rgba(255, 255, 255, .32) 0deg 5deg,
            rgba(255, 255, 255, 0) 5deg 12deg),
        radial-gradient(circle at 50% 34%,
            #fffde3 0%, #fff685 26%, #ffe100 58%, #ffcf00 100%);
}

#popupPromo .promo-body {
    position: relative;
    z-index: 1;
    padding: 26px 26px 0;
}

/* ---------- Nút đóng ---------- */

#popupPromo .promo-close {
    position: absolute;
    top: 6px;
    right: 6px;
    z-index: 5;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--promo-navy);
    font-size: 30px;
    line-height: 1;
    opacity: .7;
    transition: opacity .15s ease, background-color .15s ease;
}

#popupPromo .promo-close:hover,
#popupPromo .promo-close:focus {
    opacity: 1;
    background: rgba(255, 255, 255, .55);
    outline: none;
}

/* ---------- Banner ưu đãi ---------- */

#popupPromo .promo-hero {
    margin-bottom: 18px;
}

#popupPromo .promo-eyebrow {
    display: inline-block;
    padding: 4px 26px;
    border-radius: 4px;
    background: linear-gradient(180deg, #ff5f3a 0%, #e02f2f 100%);
    box-shadow: 0 3px 0 #a81b1b;
    color: #fff;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 3px;
    text-shadow: 0 2px 2px rgba(0, 0, 0, .3);
}

#popupPromo .promo-headline {
    margin: 10px 0 6px;
    color: #2f6fd0;
    font-size: 40px;
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: 1px;
    text-transform: uppercase;
    /* Chữ nổi 3D: viền trắng + đổ bóng xanh đậm xuống dưới. */
    -webkit-text-stroke: 2px #fff;
    text-shadow: 0 1px 0 #1b4f9c, 0 2px 0 #1b4f9c, 0 2px 0 #1b4f9c, 0 2px 0 #16407e, 0 3px 6px rgba(0, 0, 0, .3);
    paint-order: stroke fill;
}

#popupPromo .promo-subline {
    margin: 0 0 12px;
    color: var(--promo-blue);
    font-size: 16px;
    font-weight: 700;
}

#popupPromo .promo-deal {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

#popupPromo .promo-deal-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 16px 5px 12px;
    border-radius: 999px;
    background: linear-gradient(180deg, #3f8ae0 0%, #1b4f9c 100%);
    box-shadow: 0 3px 0 rgba(0, 0, 0, .2);
    color: #fff;
}

#popupPromo .promo-deal-pill em {
    max-width: 52px;
    font-size: 12px;
    font-style: normal;
    font-weight: 700;
    line-height: 1.05;
    text-align: right;
    text-transform: uppercase;
}

#popupPromo .promo-deal-pill strong {
    font-size: 30px;
    font-weight: 700;
    line-height: 1;
}

#popupPromo .promo-deal-cap {
    padding: 6px 14px;
    border-radius: 999px;
    background: linear-gradient(180deg, #ff5f3a 0%, #e02f2f 100%);
    box-shadow: 0 3px 0 rgba(0, 0, 0, .2);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
}

/* ---------- Form ---------- */

#popupPromo .promo-lead {
    margin: 0 0 14px;
    color: var(--promo-blue);
    font-size: 15px;
    font-weight: 700;
}

#popupPromo .promo-field {
    position: relative;
    margin-bottom: 12px;
    text-align: left;
}

#popupPromo .promo-input {
    display: block;
    width: 100%;
    height: 50px;
    padding: 12px 46px 12px 16px;
    border: 1px solid #d8d8d8;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .08) inset;
    color: #333;
    font-size: 15px;
    transition: border-color .15s ease, box-shadow .15s ease;
}

#popupPromo .promo-input::placeholder { color: #9a9a9a; }

#popupPromo .promo-input:focus {
    border-color: #2f6fd0;
    box-shadow: 0 0 0 3px rgba(47, 111, 208, .25);
    outline: none;
}

#popupPromo .promo-textarea {
    height: auto;
    min-height: 96px;
    resize: vertical;
}

#popupPromo .promo-icon {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    color: #4a4a4a;
    font-size: 17px;
    pointer-events: none;
}

#popupPromo .promo-icon-top {
    top: 16px;
    transform: none;
}

/* Trạng thái lỗi */
#popupPromo .promo-field.has-error .promo-input {
    border-color: var(--promo-red);
    box-shadow: 0 0 0 3px rgba(224, 47, 47, .18);
}

#popupPromo .promo-error {
    display: none;
    margin: 4px 2px 0;
    color: #a10f0f;
    font-size: 13px;
    font-weight: 700;
}

#popupPromo .promo-field.has-error .promo-error,
#popupPromo .promo-error-form.is-visible {
    display: block;
}

#popupPromo .promo-error-form {
    margin-top: 10px;
    text-align: center;
}

/* Bẫy bot — đẩy ra ngoài màn hình thay vì display:none,
   vì một số bot bỏ qua field bị display:none. */
#popupPromo .promo-hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

#popupPromo .promo-submit {
    display: inline-block;
    min-width: 190px;
    margin-top: 6px;
    padding: 13px 30px;
    border: 0;
    border-radius: 6px;
    background: var(--promo-navy);
    box-shadow: 0 4px 0 #101a33;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: background-color .15s ease, transform .1s ease;
}

#popupPromo .promo-submit:hover:not(:disabled) { background: #2c3f72; }
#popupPromo .promo-submit:active:not(:disabled) { transform: translateY(2px); box-shadow: 0 2px 0 #101a33; }
#popupPromo .promo-submit:focus { outline: 3px solid rgba(34, 49, 90, .35); outline-offset: 2px; }
#popupPromo .promo-submit:disabled { opacity: .65; cursor: not-allowed; }

/* ---------- Màn cảm ơn ---------- */

#popupPromo .promo-thanks {
    padding: 26px 6px 10px;
}

#popupPromo .promo-thanks .fa {
    color: #1a8a3c;
    font-size: 54px;
}

#popupPromo .promo-thanks h3 {
    margin: 12px 0 6px;
    color: var(--promo-blue);
    font-size: 24px;
    font-weight: 700;
}

#popupPromo .promo-thanks p {
    margin: 0;
    color: #3a3a3a;
    font-size: 15px;
}

/* ---------- Dải danh thắng ---------- */

#popupPromo .promo-skyline {
    margin: 14px -26px 0;
    line-height: 0;
}

#popupPromo .promo-skyline svg {
    display: block;
    width: 100%;
    height: auto;
}

/* ---------- Tiện ích ---------- */

#popupPromo .promo-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

/* ==========================================================================
   Mobile
   ========================================================================== */

@media (max-width: 767px) {
    #popupPromo .promo-dialog {
        max-width: none;
        width: 100%;
        padding: 16px 12px;
    }

    #popupPromo .promo-card { border-width: 5px; border-radius: 14px; }
    #popupPromo .promo-body { padding: 20px 18px 0; }

    #popupPromo .promo-eyebrow { padding: 3px 20px; font-size: 16px; }
    #popupPromo .promo-headline { font-size: 30px; -webkit-text-stroke-width: 1.5px; }
    #popupPromo .promo-subline { font-size: 14px; }
    #popupPromo .promo-deal-pill strong { font-size: 25px; }
    #popupPromo .promo-deal-cap { font-size: 12px; padding: 5px 12px; }
    #popupPromo .promo-lead { font-size: 14px; }

    #popupPromo .promo-input { height: 46px; font-size: 16px; } /* 16px: iOS không tự zoom khi focus */
    #popupPromo .promo-textarea { min-height: 76px; }
    #popupPromo .promo-submit { width: 100%; }
    #popupPromo .promo-skyline { margin: 12px -18px 0; }
}

/* Màn thấp (laptop 768p, mobile nằm ngang): nén chiều cao để cả nút "Nhận ngay"
   lẫn dải danh thắng vẫn nằm trọn trong màn hình. overflow-y là lưới an toàn
   cho những màn còn thấp hơn nữa. */
@media (max-height: 760px) {
    #popupPromo .promo-dialog { padding: 12px; }
    #popupPromo .promo-card { max-height: calc(100vh - 24px); overflow-y: auto; }
    #popupPromo .promo-body { padding-top: 14px; }
    #popupPromo .promo-hero { margin-bottom: 12px; }
    #popupPromo .promo-headline { font-size: 28px; }
    #popupPromo .promo-lead { margin-bottom: 10px; }
    #popupPromo .promo-field { margin-bottom: 9px; }
    #popupPromo .promo-textarea { min-height: 56px; }
    #popupPromo .promo-submit { margin-top: 0; }
    #popupPromo .promo-skyline { margin-top: 8px; }
    /* Đủ cao để dải danh thắng vẫn trải hết bề ngang thẻ, không bị co vào giữa. */
    #popupPromo .promo-skyline svg { max-height: 82px; }
}

@media (prefers-reduced-motion: reduce) {
    #popupPromo.fade,
    #popupPromo .promo-submit { transition: none; }
}