/* WiFi 7 Page - FPT Design System */
* {
    font-family: "Lexend", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root {
    --primary-blue: #1b76ff;
    --dark-blue: #0330cf;
    --orange: #f90;
    --text-dark: #3d3d3d;
    --text-light: #888;
    --bg-light: #f7f7f8;
    --border-color: #e7e7e7;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 12px 24px rgba(27, 118, 255, 0.12);
}

/* Hero Section */
.wifi7-hero {
    background: linear-gradient(180deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    padding: 100px 0;
    color: white;
    position: relative;
    overflow: hidden;
    min-height: 550px;
    display: flex;
    align-items: center;
}

.wifi7-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.wifi7-hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
}

.wifi7-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.wifi7-hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.wifi7-hero-image img {
    width: 100%;
    max-width: 520px;
    height: auto;
}

.wifi7-hero-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.wifi7-hero-label {
    font-size: 14px;
    font-weight: 600;
    opacity: 0.95;
    margin-bottom: 20px;
}

.wifi7-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin: 0 0 15px 0;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.wifi7-hero-desc {
    font-size: 16px;
    opacity: 0.95;
    margin: 0 0 40px 0;
}

.wifi7-hero-form {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.wifi7-form-row {
    margin-bottom: 12px;
}

.wifi7-form-row .text-error {
    display: block;
    font-size: 12px;
    color: #ffd8d8;
    margin-top: 4px;
}

.wifi7-form-box #mess-error {
    display: block;
    font-size: 13px;
    color: #fff;
    text-align: center;
    margin-bottom: 10px;
}

.wifi7-form-box select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    background: transparent;
    color: white;
    font-size: 14px;
    box-sizing: border-box;
}

.wifi7-form-box select option {
    color: var(--text-dark);
}

.wifi7-form-box .select2-container--default .select2-selection--single {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    height: 45px;
}

.wifi7-form-box .select2-container--default .select2-selection--single .select2-selection__rendered {
    color: white;
    line-height: 43px;
    padding-left: 16px;
}

.wifi7-form-box .select2-container--default .select2-selection--single .select2-selection__placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.wifi7-form-box .select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 43px;
}

/* Toast notification */
.wifi7-toast-wrap {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.wifi7-toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    min-width: 300px;
    max-width: 380px;
    padding: 16px 18px;
    border-radius: 12px;
    background: white;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
    border-left: 4px solid var(--primary-blue);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-dark);
    pointer-events: auto;
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.wifi7-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.wifi7-toast.success {
    border-left-color: #16a34a;
}

.wifi7-toast.error {
    border-left-color: #dc2626;
}

.wifi7-toast-icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: white;
    background: var(--primary-blue);
}

.wifi7-toast.success .wifi7-toast-icon {
    background: #16a34a;
}

.wifi7-toast.error .wifi7-toast-icon {
    background: #dc2626;
}

.wifi7-toast-body {
    flex: 1;
}

.wifi7-toast-title {
    font-weight: 700;
    margin-bottom: 2px;
}

.wifi7-toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    font-size: 18px;
    line-height: 1;
    color: #9aa0a6;
    cursor: pointer;
    padding: 0;
}

.wifi7-toast-close:hover {
    color: var(--text-dark);
}

@media (max-width: 480px) {
    .wifi7-toast-wrap {
        top: auto;
        bottom: 16px;
        left: 16px;
        right: 16px;
    }

    .wifi7-toast {
        min-width: 0;
        max-width: none;
    }
}

.wifi7-form-note {
    font-size: 11px !important;
    font-weight: 400 !important;
    line-height: 1.6;
    opacity: 0.85;
    margin: 14px 0 0 0 !important;
}

.wifi7-form-note a {
    color: white;
    text-decoration: underline;
}

.wifi7-form-box {
    background: transparent;
    border-radius: 12px;
    padding: 30px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.wifi7-form-box p {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 20px 0;
}

.wifi7-form-box input {
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    font-size: 14px;
    background: transparent;
    color: white;
    transition: all 0.3s;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 12px;
}

.wifi7-form-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.wifi7-form-box input:hover,
.wifi7-form-box input:focus {
    border-color: rgba(255, 255, 255, 0.8);
    outline: none;
    background: rgba(255, 255, 255, 0.05);
}

.wifi7-btn-primary {
    padding: 12px 20px;
    background: white;
    color: var(--primary-blue);
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 15px;
    width: 100%;
}

.wifi7-btn-primary:hover {
    background: #f0f4ff;
    transform: translateY(-2px);
}

/* Features Section */
.wifi7-features {
    padding: 60px 0;
    background: var(--primary-blue);
}

.wifi7-features h2 {
    color: white;
    text-align: center;
    margin-bottom: 40px;
    font-size: 36px;
    font-weight: 700;
}

.wifi7-features-card {
    background: white;
    border-radius: 20px;
    padding: 50px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
}

.wifi7-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.wifi7-feature-icon {
    font-size: 56px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #0055cc 100%);
    color: white;
}

.wifi7-feature-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 12px 0;
    color: var(--text-dark);
    line-height: 1.4;
}

.wifi7-feature-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

/* Pricing Section */
.wifi7-pricing {
    padding: 60px 0;
    background: var(--primary-blue);
}

.wifi7-pricing-container {
    background: white;
    border-radius: 20px;
    padding: 50px 40px;
}

.wifi7-pricing-container h2 {
    color: var(--text-dark);
    text-align: center;
    margin: 0 0 40px 0;
    font-size: 36px;
    font-weight: 700;
}

.wifi7-pricing-card {
    background: white;
    border: 1px solid #e6e8eb;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    height: 100%;
}

.wifi7-pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.wifi7-pricing-card.featured {
    border: 2px solid var(--primary-blue);
    box-shadow: var(--shadow-hover);
}

.wifi7-pricing-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-blue);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    z-index: 10;
}

.wifi7-package-empty {
    text-align: center;
    color: var(--text-light);
    margin: 0;
    width: 100%;
}

.wifi7-pricing-col {
    margin-bottom: 30px;
    display: flex;
}

.wifi7-pricing-col > .wifi7-pricing-card {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.wifi7-pricing-col .wifi7-pricing-body {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.wifi7-pricing-col .wifi7-pricing-features {
    flex: 1;
}

.wifi7-pricing-image,
.wifi7-pricing-header {
    width: 100%;
    height: 180px;
    background: #f7f7f8;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    overflow: hidden;
}

.wifi7-pricing-header img {
    width: 100%;
    height: 100%;
    align-self: stretch;
    object-fit: cover;
    display: block;
}

.wifi7-pricing-content,
.wifi7-pricing-body {
    padding: 24px 20px;
}

.wifi7-pricing-content h4,
.wifi7-pricing-body h4 {
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 12px 0;
}

.wifi7-pricing-price {
    color: var(--primary-blue);
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 12px 0;
}

.wifi7-pricing-price span {
    font-size: 12px;
    margin-left: 4px;
}

.wifi7-pricing-speed,
.wifi7-pricing-details {
    font-size: 13px;
    color: var(--text-light);
    margin: 0 0 12px 0;
    line-height: 1.6;
}

.wifi7-pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 16px 0;
    font-size: 12px;
    color: var(--text-light);
}

.wifi7-pricing-features li {
    margin-bottom: 8px;
}

.wifi7-pricing-features span {
    color: var(--primary-blue);
    font-weight: 700;
    margin-right: 6px;
}

.wifi7-btn-register {
    display: block;
    width: 100%;
    padding: 9px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 13px;
    margin-bottom: 8px;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.wifi7-btn-register:hover,
.wifi7-btn-register:focus {
    background: #0055cc;
    color: white;
    text-decoration: none;
}

.wifi7-btn-secondary {
    display: block;
    width: 100%;
    padding: 9px;
    background: white;
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 13px;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.wifi7-btn-secondary:hover,
.wifi7-btn-secondary:focus {
    background: #f0f4ff;
    color: var(--primary-blue);
    text-decoration: none;
}

/* Technology Section */
.wifi7-technology {
    padding: 60px 0;
    background: var(--primary-blue);
}

.wifi7-tech-wrapper {
    background: linear-gradient(135deg, #f2fbfb 0%, #eef3ff 55%, #f7f4ff 100%);
    border-radius: 20px;
    padding: 50px 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    overflow: hidden;
}

.wifi7-tech-content h2 {
    color: var(--text-dark);
    text-align: left;
    margin: 0 0 35px 0;
    font-size: 34px;
    font-weight: 700;
    line-height: 1.25;
}

.wifi7-tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.wifi7-tech-item {
    padding: 0;
    text-align: center;
}

.wifi7-tech-item .icon {
    width: 66px;
    height: 66px;
    margin: 0 auto 15px;
    border-radius: 16px;
    background: rgba(27, 118, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
}

.wifi7-tech-item h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 10px 0;
}

.wifi7-tech-item p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
}

.wifi7-tech-image {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wifi7-tech-image img {
    width: 100%;
    max-width: 460px;
    height: auto;
    object-fit: contain;
}

/* Benefits Section */
.wifi7-benefits {
    padding: 60px 0;
    background: var(--primary-blue);
}

.wifi7-benefits-list h2 {
    color: var(--text-dark);
    text-align: left;
    margin: 0 0 35px 0;
    font-size: 34px;
    font-weight: 700;
    line-height: 1.25;
}

.wifi7-benefits-wrapper {
    background: white;
    border-radius: 20px;
    padding: 50px 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.wifi7-benefit-item {
    margin-bottom: 30px;
    display: flex;
    gap: 15px;
}

.wifi7-benefit-item:last-child {
    margin-bottom: 0;
}

.wifi7-benefit-item .icon {
    font-size: 40px;
    flex-shrink: 0;
}

.wifi7-benefit-item h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 8px 0;
}

.wifi7-benefit-item p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

.wifi7-benefit-image {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wifi7-benefit-image img {
    width: 100%;
    max-width: 420px;
    height: auto;
    object-fit: contain;
}

/* Video Section */
.wifi7-videos {
    padding: 60px 0;
    background: var(--primary-blue);
}

.wifi7-videos-wrapper {
    background: white;
    border-radius: 20px;
    padding: 50px 40px;
}

.wifi7-videos-wrapper h2 {
    color: var(--text-dark);
    text-align: center;
    margin: 0 auto 40px;
    max-width: 760px;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
}

.wifi7-videos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.wifi7-video-item {
    text-align: center;
}

.wifi7-video-placeholder {
    background: #000;
    border-radius: 16px;
    aspect-ratio: 9 / 16;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 14px;
    position: relative;
}

.wifi7-video-placeholder[data-video-id] {
    cursor: pointer;
}

/* Thumbnail YouTube là 16:9, phóng to để lấp đầy khung dọc 9:16 */
.wifi7-video-thumb-yt {
    transform: scale(1.9);
}

/* Thumbnail tự đặt: giữ nguyên tỉ lệ, cover khung */
.wifi7-video-thumb-custom {
    object-fit: cover;
}

.wifi7-video-placeholder[data-video-id]:hover > img {
    opacity: 0.85;
}

.wifi7-video-placeholder img,
.wifi7-video-placeholder video,
.wifi7-video-placeholder iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: none;
}

.wifi7-video-play {
    width: 54px;
    height: 54px;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-blue);
    padding-left: 4px;
    z-index: 2;
    transition: transform 0.3s ease;
}

.wifi7-video-item:hover .wifi7-video-play {
    transform: scale(1.1);
}

.wifi7-video-item p {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.5;
    margin: 0;
}

.wifi7-video-item p a {
    color: inherit;
    text-decoration: none;
}

.wifi7-video-item p a:hover {
    color: var(--primary-blue);
    text-decoration: none;
}

/* FAQ Section */
.wifi7-faq {
    padding: 80px 0;
    background: linear-gradient(110deg, #e7f8f7 0%, #f3fbff 28%, #ffffff 55%, #f0f1fd 100%);
}

.wifi7-faq-wrapper {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 70px;
    align-items: center;
}

.wifi7-faq-list h2 {
    text-align: left;
    margin: 0 0 22px 0;
    font-size: 40px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
}

.wifi7-faq-item {
    margin: 0;
    border-bottom: 1px solid #e3e6ec;
}

.wifi7-faq-item:last-child {
    border-bottom: none;
}

.wifi7-faq-header {
    padding: 26px 0;
    background: transparent;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.wifi7-faq-header h5 {
    margin: 0;
    font-weight: 700;
    color: var(--text-dark);
    font-size: 19px;
    line-height: 1.5;
}

.wifi7-faq-header:hover h5 {
    color: var(--primary-blue);
}

.wifi7-faq-toggle {
    flex-shrink: 0;
    font-size: 26px;
    font-weight: 300;
    color: var(--text-dark);
    line-height: 1;
    /* Xoay cùng nhịp với accordion */
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.wifi7-faq-item.active .wifi7-faq-toggle {
    transform: rotate(45deg);
}

.wifi7-faq-body {
    background: transparent;
    color: var(--text-light);
    line-height: 1.7;
    font-size: 15px;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease,
                padding-bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: max-height;
}

.wifi7-faq-item.active .wifi7-faq-body {
    opacity: 1;
    padding-bottom: 22px;
}

.wifi7-faq-image img {
    width: 100%;
    max-width: 560px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.wifi7-faq-body.active {
    display: block;
}

.wifi7-faq-body p {
    margin: 0 0 10px 0;
}

.wifi7-faq-body ul {
    margin: 10px 0;
    padding-left: 20px;
}

.wifi7-faq-body li {
    margin-bottom: 8px;
}

.wifi7-faq-image {
    width: 100%;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* News Section */
.wifi7-news {
    padding: 60px 0;
    background: #f0f5ff;
}

.wifi7-news h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
}

.wifi7-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.wifi7-news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.wifi7-news-card:hover,
.wifi7-news-card:focus {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    text-decoration: none;
    color: inherit;
}

.wifi7-news-card:hover h4 {
    color: var(--primary-blue);
}

.wifi7-news-image {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    overflow: hidden;
    flex-shrink: 0;
}

.wifi7-news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.wifi7-news-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-light);
    margin: 0;
}

.wifi7-news-content {
    padding: 20px;
}

.wifi7-news-content h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.wifi7-news-content p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 992px) {
    .wifi7-tech-wrapper,
    .wifi7-benefits-wrapper,
    .wifi7-faq-wrapper {
        grid-template-columns: 1fr;
    }

    .wifi7-hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .wifi7-tech-image,
    .wifi7-benefit-image {
        display: none;
    }

    .wifi7-faq-image {
        display: block;
    }

    .wifi7-videos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .wifi7-hero h1 {
        font-size: 36px;
    }

    .wifi7-features h2,
    .wifi7-pricing-container h2,
    .wifi7-tech-content h2,
    .wifi7-benefits-list h2,
    .wifi7-videos-wrapper h2,
    .wifi7-faq-list h2,
    .wifi7-news h2 {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .wifi7-features-card {
        grid-template-columns: 1fr;
    }

    .wifi7-pricing-container {
        padding: 30px 20px;
    }

    .wifi7-news-grid {
        grid-template-columns: 1fr;
    }

    .wifi7-tech-grid {
        grid-template-columns: 1fr;
    }

    .wifi7-videos-grid {
        grid-template-columns: 1fr;
    }

    .wifi7-videos-wrapper {
        padding: 30px 20px;
    }
}