/* ============================================
   Zenno Hong Kong - Main Stylesheet
   Responsive Design (PC + Mobile)
   ============================================ */

/* ---------- Reset & Base ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "Microsoft YaHei", "PingFang TC", "Noto Sans TC", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background: #fff;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul, li {
    list-style: none;
}

/* ---------- Layout ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a3a6e;
    margin-bottom: 10px;
}

.section-title p {
    font-size: 16px;
    color: #888;
}

.section-title .line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #1a3a6e, #4a90e2);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* ---------- Header / Navigation ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #fff;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 48px;
    width: auto;
}

/* Desktop Nav */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-menu > li > a {
    font-size: 15px;
    font-weight: 500;
    color: #444;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: #1a3a6e;
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #1a3a6e, #4a90e2);
    transition: width 0.3s ease;
}

.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
    width: 100%;
}

/* Language Switcher */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 15px;
}

.lang-switch button {
    border: 1px solid #ddd;
    background: #fff;
    padding: 5px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    color: #666;
    transition: all 0.3s;
}

.lang-switch button.active,
.lang-switch button:hover {
    background: #1a3a6e;
    color: #fff;
    border-color: #1a3a6e;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    position: relative;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #1a3a6e;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: all 0.3s;
}

.menu-toggle span:nth-child(1) { top: 12px; }
.menu-toggle span:nth-child(2) { top: 19px; }
.menu-toggle span:nth-child(3) { top: 26px; }

.menu-toggle.active span:nth-child(1) {
    top: 19px;
    transform: translateX(-50%) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    top: 19px;
    transform: translateX(-50%) rotate(-45deg);
}

/* ---------- Banner Slider (100% width, responsive) ---------- */
.banner {
    width: 100%;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
    height: 680px;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.banner-slide.active {
    opacity: 1;
    z-index: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 5;
    max-width: 800px;
    padding: 40px 45px;
    background: rgba(26, 58, 110, 0.35);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.18);
    box-shadow: 0 10px 40px rgba(0,0,0,0.25);
}

.banner-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: fadeInUp 0.8s ease;
}

.banner-content p {
    font-size: 20px;
    line-height: 1.6;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Banner Navigation Dots */
.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.banner-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.banner-dots span.active {
    background: #fff;
    width: 36px;
    border-radius: 6px;
}

/* ---------- Home: About Section ---------- */
.home-about {
    background: #fff;
}

.home-about-inner {
    display: flex;
    align-items: center;
    gap: 60px;
}

.home-about-img {
    flex: 1;
}

.home-about-img img {
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(26,58,110,0.15);
}

.home-about-text {
    flex: 1;
}

.home-about-text h2 {
    font-size: 32px;
    color: #1a3a6e;
    margin-bottom: 8px;
}

.home-about-text .subtitle {
    color: #4a90e2;
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 500;
}

.home-about-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 25px;
}

.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #1a3a6e 0%, #4a90e2 100%);
    color: #fff;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26,58,110,0.3);
}

.btn-outline {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    color: #1a3a6e;
    border: 2px solid #1a3a6e;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-outline:hover {
    background: #1a3a6e;
    color: #fff;
}

/* ---------- Home: Services Section ---------- */
.home-services {
    background: #f7f9fc;
}

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

.service-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(26,58,110,0.15);
}

.service-card-img {
    height: 200px;
    overflow: hidden;
}

.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.service-card:hover .service-card-img img {
    transform: scale(1.08);
}

.service-card-body {
    padding: 25px;
}

.service-card-body h3 {
    font-size: 18px;
    color: #1a3a6e;
    margin-bottom: 10px;
}

.service-card-body p {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
}

/* ---------- Home: Cases Preview ---------- */
.home-cases {
    background: #fff;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.case-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 320px;
    cursor: pointer;
}

.case-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-item:hover img {
    transform: scale(1.1);
}

.case-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 25px;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    color: #fff;
}

.case-item-overlay h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.case-item-overlay p {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.5;
}

/* ---------- Home: News Preview ---------- */
.home-news {
    background: #f7f9fc;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.news-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.news-card:hover {
    box-shadow: 0 10px 30px rgba(26,58,110,0.12);
}

.news-card-img {
    height: 180px;
    overflow: hidden;
}

.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-card-body {
    padding: 22px;
}

.news-card-date {
    font-size: 13px;
    color: #4a90e2;
    margin-bottom: 10px;
}

.news-card-body h3 {
    font-size: 17px;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-card-body p {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
}

/* ---------- Page Inner Banner ---------- */
.page-banner {
    width: 100%;
    height: 350px;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.page-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26,58,110,0.8) 0%, rgba(74,144,226,0.6) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #fff;
    text-align: center;
}

.page-banner h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.page-banner p {
    font-size: 16px;
    opacity: 0.9;
}

/* ---------- About Page ---------- */
.about-content {
    padding: 70px 0;
}

.about-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.about-intro p {
    font-size: 18px;
    color: #555;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 70px;
}

.about-feature {
    text-align: center;
    padding: 40px 25px;
    background: #f7f9fc;
    border-radius: 12px;
    transition: all 0.3s;
}

.about-feature:hover {
    background: #1a3a6e;
    color: #fff;
}

.about-feature:hover h3,
.about-feature:hover p {
    color: #fff;
}

.about-feature-icon {
    font-size: 42px;
    margin-bottom: 20px;
    display: inline-block;
}

.about-feature h3 {
    font-size: 20px;
    color: #1a3a6e;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.about-feature p {
    font-size: 14px;
    color: #888;
    line-height: 1.7;
    transition: color 0.3s;
}

.about-services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.about-service-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 10px;
    transition: all 0.3s;
}

.about-service-item:hover {
    border-color: #4a90e2;
    box-shadow: 0 5px 20px rgba(26,58,110,0.1);
}

.about-service-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: linear-gradient(135deg, #1a3a6e, #4a90e2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
}

.about-service-info h4 {
    font-size: 17px;
    color: #1a3a6e;
    margin-bottom: 8px;
}

.about-service-info p {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
}

/* ---------- Service Page ---------- */
.service-content {
    padding: 70px 0;
}

.service-channel-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 70px;
}

.channel-card {
    display: flex;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.3s;
}

.channel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(26,58,110,0.15);
}

.channel-card-img {
    width: 45%;
    min-height: 200px;
    overflow: hidden;
}

.channel-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.channel-card-body {
    width: 55%;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.channel-card-body h3 {
    font-size: 22px;
    color: #1a3a6e;
    margin-bottom: 12px;
}

.channel-card-body p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 15px;
}

.channel-tag {
    display: inline-block;
    padding: 4px 12px;
    background: #eef3fb;
    color: #1a3a6e;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    width: fit-content;
}

.service-features {
    background: linear-gradient(135deg, #1a3a6e 0%, #4a90e2 100%);
    border-radius: 20px;
    padding: 50px;
    color: #fff;
}

.service-features h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
}

.service-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-feature-item {
    text-align: center;
}

.service-feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin: 0 auto 18px;
}

.service-feature-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.service-feature-item p {
    font-size: 13px;
    opacity: 0.85;
    line-height: 1.6;
}

/* ---------- Cases Page ---------- */
.cases-content {
    padding: 70px 0;
}

.cases-full-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.case-full-item {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.case-full-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 45px rgba(26,58,110,0.18);
}

.case-full-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.case-full-body {
    padding: 28px;
}

.case-full-body h3 {
    font-size: 20px;
    color: #1a3a6e;
    margin-bottom: 12px;
}

.case-full-body p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 18px;
}

.case-view-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #4a90e2;
    font-weight: 500;
    font-size: 14px;
}

.case-view-btn:hover {
    color: #1a3a6e;
}

/* ---------- News Page ---------- */
.news-content {
    padding: 70px 0;
}

.news-full-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.news-full-item {
    display: flex;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.3s;
}

.news-full-item:hover {
    box-shadow: 0 12px 35px rgba(26,58,110,0.12);
}

.news-full-img {
    width: 35%;
    min-height: 200px;
}

.news-full-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-full-body {
    width: 65%;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-full-date {
    color: #4a90e2;
    font-size: 13px;
    margin-bottom: 10px;
}

.news-full-body h3 {
    font-size: 20px;
    color: #1a3a6e;
    margin-bottom: 12px;
}

.news-full-body p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
}

/* ---------- Contact Page ---------- */
.contact-content {
    padding: 70px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

.contact-info {
    background: #f7f9fc;
    padding: 40px;
    border-radius: 14px;
}

.contact-info h3 {
    font-size: 22px;
    color: #1a3a6e;
    margin-bottom: 25px;
}

.contact-info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 22px;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #1a3a6e, #4a90e2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    flex-shrink: 0;
}

.contact-info-text h4 {
    font-size: 15px;
    color: #333;
    margin-bottom: 4px;
}

.contact-info-text p {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
}

.contact-form-wrap {
    background: #fff;
    padding: 40px;
    border-radius: 14px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.06);
}

.contact-form-wrap h3 {
    font-size: 22px;
    color: #1a3a6e;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    color: #555;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s;
    background: #fafbfc;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4a90e2;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(74,144,226,0.1);
}

.form-group textarea {
    height: 140px;
    resize: vertical;
}

/* Toast Notification */
.toast {
    position: fixed;
    top: 90px;
    right: 20px;
    padding: 14px 24px;
    border-radius: 10px;
    color: #fff;
    font-size: 14px;
    z-index: 9999;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.4s ease;
    pointer-events: none;
}

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

.toast.success {
    background: linear-gradient(135deg, #11998e, #38ef7d);
}

.toast.error {
    background: linear-gradient(135deg, #eb3349, #f45c43);
}

/* ---------- Footer ---------- */
.footer {
    background: #1a3a6e;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.footer-brand .footer-logo img {
    height: 40px;
    filter: brightness(0) invert(1);
}

.footer-brand .footer-logo span {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
}

.footer-brand p {
    font-size: 14px;
    opacity: 0.85;
    line-height: 1.7;
    margin-bottom: 15px;
}

.footer-col h4 {
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a,
.footer-col ul li {
    font-size: 14px;
    opacity: 0.85;
    transition: opacity 0.3s;
}

.footer-col ul li a:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 25px;
    text-align: center;
    font-size: 13px;
    opacity: 0.75;
}

/* ---------- Back to Top ---------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #1a3a6e, #4a90e2);
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(26,58,110,0.3);
    z-index: 999;
    border: none;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
}

/* ============================================
   RESPONSIVE DESIGN - Mobile & Tablet
   ============================================ */

/* Tablet (768px - 1024px) */
@media screen and (max-width: 1024px) {
    .banner {
        height: 500px;
    }
    .banner-content h1 {
        font-size: 36px;
    }
    .banner-content p {
        font-size: 16px;
    }
    .section {
        padding: 60px 0;
    }
    .home-about-inner {
        flex-direction: column;
        gap: 40px;
    }
    .home-about-img {
        width: 100%;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .service-channel-grid {
        grid-template-columns: 1fr;
    }
    .service-feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 35px;
    }
}

/* Mobile (max 768px) */
@media screen and (max-width: 768px) {
    /* Header */
    .header-inner {
        height: 60px;
    }
    .logo img {
        height: 36px;
    }
    
    /* Mobile Menu Toggle */
    .menu-toggle {
        display: block;
    }
    
    /* Nav Menu - Desktop Hidden */
    .nav-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        gap: 0;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }
    
    .nav-menu.show {
        display: flex;
    }
    
    .nav-menu > li {
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu > li > a {
        display: block;
        padding: 16px 25px;
        font-size: 15px;
    }
    
    .nav-menu > li > a::after {
        display: none;
    }
    
    .lang-switch {
        display: none;
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 15px 25px;
        background: #f7f9fc;
        justify-content: center;
        gap: 15px;
        border-top: 1px solid #eee;
        margin-left: 0;
    }
    
    .nav-menu.show ~ .lang-switch {
        display: flex;
    }
    
    /* Banner */
    .banner {
        margin-top: 60px;
        height: 380px;
    }
    .banner-content h1 {
        font-size: 24px;
        margin-bottom: 12px;
    }
    .banner-content p {
        font-size: 14px;
        line-height: 1.5;
    }
    
    /* Section */
    .section {
        padding: 50px 0;
    }
    .section-title {
        margin-bottom: 35px;
    }
    .section-title h2 {
        font-size: 24px;
    }
    
    /* Services Grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Cases Grid */
    .cases-grid,
    .cases-full-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .case-item {
        height: 240px;
    }
    
    /* News Grid */
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* About Page */
    .about-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .about-services {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Channel Cards */
    .channel-card {
        flex-direction: column;
    }
    .channel-card-img {
        width: 100%;
        height: 200px;
    }
    .channel-card-body {
        width: 100%;
        padding: 25px;
    }
    
    /* Service Features */
    .service-features {
        padding: 35px 25px;
        border-radius: 14px;
    }
    .service-feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    /* Page Banner */
    .page-banner {
        height: 250px;
        margin-top: 60px;
    }
    .page-banner h1 {
        font-size: 28px;
    }
    
    /* News Full */
    .news-full-item {
        flex-direction: column;
    }
    .news-full-img {
        width: 100%;
        height: 200px;
    }
    .news-full-body {
        width: 100%;
        padding: 25px;
    }
    
    /* Contact */
    .contact-info,
    .contact-form-wrap {
        padding: 25px;
    }
    
    /* Footer */
    .footer {
        padding: 40px 0 25px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 30px;
    }
    
    /* Back to Top */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* Small Mobile (max 480px) */
@media screen and (max-width: 480px) {
    .banner {
        height: 320px;
    }
    .banner-content h1 {
        font-size: 20px;
    }
    .banner-dots {
        bottom: 20px;
    }
    .home-about-text h2 {
        font-size: 24px;
    }
    .service-feature-grid {
        grid-template-columns: 1fr;
    }
}