:root {
    --bg: #0f172a;
    --card: rgba(255, 255, 255, 0.08);
    --primary: #38bdf8;
    --text: #e5e7eb;
    --muted: #94a3b8;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    min-height: 100vh;
    background: radial-gradient(circle at top, #1e293b, #020617 60%);
    color: var(--text);
    display: flex;
    flex-direction: column;
    padding: 40px 16px;
}

.container {
    max-width: 1000px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;

    margin: auto; /* giữ căn giữa ngang */
    flex: 1; /* đẩy footer xuống đáy */
}

@media (min-width: 768px) {
    .container {
        grid-template-columns: 350px 1fr;
    }
}

.card {
    background: var(--card);
    backdrop-filter: blur(14px);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.profile {
    text-align: center;
}

.avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    margin-bottom: 16px;
}

.name {
    font-size: 1.6rem;
    font-weight: 700;
}

.info {
    margin-top: 8px;
    font-size: 0.95rem;
    color: var(--muted);
}

.contact {
    margin-top: 16px;
    font-size: 0.95rem;
}

.socials {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    padding: 10px;
    border-radius: 12px;
    transition: 0.2s ease;
    font-size: 0.9rem;
}

.social-link:hover {
    background: var(--primary);
    color: #020617;
    transform: translateY(-2px);
}

.social-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.main h2 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.service {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 16px;
    transition: 0.2s ease;
    cursor: pointer;
}

.service:hover {
    transform: translateY(-4px) scale(1.02);
    background: rgba(56, 189, 248, 0.15);
}

.service h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.service p {
    font-size: 0.9rem;
    color: var(--muted);
}

.preview {
    margin-top: 20px;
    padding: 16px;
    border-radius: 16px;
    background: rgba(0, 0, 0, 0.3);
    min-height: 120px;
    font-size: 0.95rem;
    color: var(--text);
    transition: opacity 0.3s ease;
}

.gallery {
    margin-top: 24px;
    text-align: center;
}

.gallery h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    text-align: left;
}

.gallery-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 10px;
}

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
    height: 350px; /* Fixed height for stability */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 12px;
}

#currentImage {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 12px;
    cursor: pointer;
    transition: opacity 0.3s ease;
    opacity: 0; /* Hidden initially until loaded */
}

#currentImage.loaded {
    opacity: 1;
}

.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--primary);
    font-size: 0.9rem;
    display: none;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    padding: 10px 15px;
    border-radius: 50%;
    cursor: pointer;
    transition: 0.2s ease;
    user-select: none;
}

.nav-btn:hover {
    background: var(--primary);
    color: #020617;
}

.gallery-counter {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--muted);
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.preview span {
    color: var(--primary);
    font-weight: 600;
}

footer {
    margin-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--muted);
    padding-bottom: 10px;
}

@media (max-width: 480px) {
    body {
        padding: 20px 12px;
    }

    .card {
        padding: 18px;
        border-radius: 18px;
    }

    .avatar {
        width: 110px;
        height: 110px;
    }

    .name {
        font-size: 1.3rem;
    }

    .services {
        grid-template-columns: 1fr;
    }

    .socials {
        grid-template-columns: repeat(2, 1fr);
    }

    .preview {
        font-size: 0.9rem;
    }

    .image-wrapper {
        height: 250px;
    }
}

.photo-list {
    max-width: 720px;
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.photo-list img {
    width: 100%;
    height: auto;
    border-radius: 14px;
    object-fit: cover;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.18);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* hover nhẹ cho đẹp */
.photo-list img:hover {
    transform: scale(1.01);
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.25);
}

/* Social link chưa có link thật */
.social-link[href="#"] {
    opacity: 0.35;
    filter: grayscale(100%);
    cursor: not-allowed;
    pointer-events: none; /* không click */
}

/* chặn hover sáng */
.social-link[href="#"]:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: none;
    color: var(--text);
}

/* ===== BANK TRANSFER PANEL ===== */

.bank-box {
    margin-top: 14px;
    padding: 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(8px);
}

.bank-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.3px;
}

/* grid auto responsive */
.bank-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

/* card từng ngân hàng */
.bank-item {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 16px;
    padding: 14px;
    transition: 0.25s ease;
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bank-item:hover {
    transform: translateY(-4px);
    background: rgba(56, 189, 248, 0.12);
    border-color: rgba(56, 189, 248, 0.35);
}

/* ảnh QR */
.bank-item img {
    width: 100%;
    max-width: 180px;
    border-radius: 12px;
    margin-bottom: 10px;
    object-fit: cover;
}

/* tên ngân hàng */
.bank-name {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 10px;
}

/* nút */
.pay-btn {
    display: inline-block;
    width: 100%;
    text-align: center;
    background: var(--primary);
    color: #020617;
    padding: 10px 12px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: 0.2s ease;
}

.pay-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(56, 189, 248, 0.35);
}

/* nút outline */
.pay-btn.outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

/* ===== MOBILE QR TO & XẾP DỌC ===== */

@media (max-width: 768px) {

    .bank-box {
        padding: 16px;
    }

    /* luôn 1 cột */
    .bank-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .bank-item {
        padding: 16px;
    }

    /* QR to rõ để quét */
    .bank-item img {
        width: 100%;
        max-width: 260px;
        border-radius: 14px;
        margin-bottom: 12px;
    }

    .bank-name {
        font-size: 0.95rem;
        margin-bottom: 12px;
    }

    .pay-btn {
        font-size: 0.95rem;
        padding: 12px;
        border-radius: 12px;
    }

}

/* ===== PHONE NHỎ ===== */

@media (max-width: 420px) {
    .bank-item img {
        max-width: 100%;
    }
}

.bank-item img {
    cursor: zoom-in;
    transition: 0.25s ease;
}

.bank-item img:hover {
    transform: scale(1.04);
}

/* ===== BANK LOGO (logo ngang) ===== */
/* logo ngang gọn gàng */
.bank-logo {
    margin-top: 6px;
    width: 90px; /* chỉ khống chế ngang */
    height: auto; /* giữ tỉ lệ gốc */

    padding: 4px 8px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.bank-item img.bank-logo {
    width: 90px;
    height: auto;
    max-width: none; /* 👈 quan trọng: bỏ giới hạn 180px */

    margin-top: 6px;
    padding: 4px 8px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

/* mobile vẫn dễ nhìn nhưng không phóng to quá */
@media (max-width: 768px) {
    .bank-item img.bank-logo {
        width: 100px;
    }

    .bank-logo {
        width: 100px;
        height: auto;
    }
}