/* ===== Hero ===== */
.hero {
    position: relative;
    color: #fff;
    overflow: hidden;
    min-height: 580px;
    display: flex;
    align-items: center;
    max-width: 100vw
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(37, 99, 235, 0.88) 45%, rgba(96, 165, 250, 0.75) 100%)
}

.hero-decor {
    position: absolute;
    inset: 0;
    overflow: hidden
}

.hero-decor span {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04)
}

.hero-decor span:nth-child(1) {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px
}

.hero-decor span:nth-child(2) {
    width: 300px;
    height: 300px;
    bottom: -100px;
    left: 200px
}

.hero-decor span:nth-child(3) {
    width: 180px;
    height: 180px;
    top: 60px;
    left: 40%;
    border: 2px solid rgba(255, 255, 255, 0.07);
    background: transparent
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 80px
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    margin-bottom: 20px;
    width: fit-content;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: #60a5fa;
    border-radius: 50%;
    animation: pulse 1.5s infinite
}

@keyframes pulse {
    0%, 100% {
        opacity: 1
    }
    50% {
        opacity: 0.4
    }
}

.hero-content h1 {
    font-size: 46px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    color: #fff
}

.hero-content h1 .hl {
    color: #93c5fd
}

.hero-content .hero-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.8;
    margin-bottom: 28px;
    max-width: 480px
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px
}

.hero-langs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px
}

.hero-lang-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    transition: 0.2s;
    text-decoration: none
}

.hero-lang-tag:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff
}

.hero-lang-tag .lf {
    font-size: 18px
}

.hero-panel {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 28px;
    position: relative
}

.hero-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #60a5fa, #93c5fd, #3b82f6);
    border-radius: 16px 16px 0 0
}

.hp-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
    color: #fff;
    opacity: 0.9
}

.hp-title span {
    color: #93c5fd;
    font-size: 20px
}

.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 16px;
    text-align: center
}

.stat-item .num {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    line-height: 1
}

.stat-item .num .suffix {
    font-size: 16px;
    opacity: 0.8
}

.stat-item .label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 4px
}

.hero-panel-cta {
    margin-top: 20px;
    display: flex;
    gap: 10px
}

.hero-panel-cta .btn {
    flex: 1;
    justify-content: center
}

/* ===== Language Course Cards ===== */
.lang-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px
}

.lang-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block
}

.lang-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue-400), var(--blue-600));
    transform: scaleX(0);
    transition: var(--transition);
    transform-origin: left
}

.lang-card:hover::before {
    transform: scaleX(1)
}

.lang-card:hover {
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.12);
    transform: translateY(-5px);
    border-color: var(--blue-200)
}

.lang-flag {
    font-size: 48px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin-left: auto;
    margin-right: auto
}

.lang-flag i {
    display: block;
    line-height: 1
}

.lang-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px
}

.lang-en {
    font-size: 12px;
    color: var(--gray-400);
    letter-spacing: 1px;
    margin-bottom: 10px
}

.lang-courses {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
    text-align: left;
    padding: 0 4px
}

.lang-courses span {
    font-size: 12px;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 6px
}

.lang-courses span::before {
    content: '·';
    color: var(--blue-500);
    font-weight: 700
}

.lang-link {
    font-size: 13px;
    color: var(--blue-500);
    font-weight: 600
}

/* ===== Teacher Card ===== */
.teacher-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px
}

.teacher-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s ease
}

.teacher-card:hover {
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.12);
    transform: translateY(-6px);
    border-color: var(--blue-200)
}

.tc-photo {
    width: 100%;
    height: 240px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--blue-50)
}

.tc-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.5s
}

.teacher-card:hover .tc-photo img {
    transform: scale(1.08)
}

.tc-body {
    padding: 16px 16px 20px;
    text-align: center
}

.tc-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px
}

.tc-lang {
    font-size: 12px;
    color: var(--blue-500);
    font-weight: 600;
    margin-bottom: 8px
}

.tc-desc {
    font-size: 12px;
    color: var(--gray-500);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
    text-align: left
}

.tc-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--blue-200);
    color: var(--blue-600);
    background: var(--blue-50)
}

.tc-link:hover {
    background: var(--blue-500);
    color: #fff;
    border-color: var(--blue-500)
}

.tc-link i {
    font-size: 10px
}

/* ===== Services ===== */
.services-new {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    align-items: stretch
}

.services-sidebar {
    background: linear-gradient(180deg, var(--blue-700) 0%, var(--blue-800) 100%);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center
}

.services-sidebar::before {
    content: 'SERVICE';
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 40px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.04);
    letter-spacing: 4px;
    white-space: nowrap;
    pointer-events: none
}

.section-service {
    position: relative;
    background: #f8fafe;
    overflow: hidden
}

.svc-bg-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0
}

.svc-bg-layer::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -80px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%)
}

.svc-bg-layer::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%)
}

.section-service .container {
    position: relative;
    z-index: 1
}

.ss-badge {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px
}

.ss-number {
    font-size: 48px;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 2px
}

.ss-number-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px
}

.services-sidebar h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 1px
}

.ss-divider {
    width: 28px;
    height: 3px;
    background: #93c5fd;
    margin: 0 auto 16px;
    border-radius: 2px
}

.ss-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 200px
}

.ss-btn {
    display: inline-flex;
    padding: 10px 28px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition)
}

.ss-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff
}

.ss-phone {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px
}

.services-grid-new {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px
}

.service-item-new {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 22px 20px;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    min-height: 160px;
    overflow: hidden;
    text-decoration: none;
    color: inherit
}

.service-item-new:hover {
    border-color: var(--blue-400);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.1);
    transform: translateY(-4px)
}

.service-item-new h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px
}

.service-item-new p {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 16px;
    line-height: 1.6
}

.sin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 18px;
    background: var(--blue-500);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    align-self: flex-start
}

.sin-btn:hover {
    background: var(--blue-600);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25)
}

.sin-icon {
    position: absolute;
    right: 14px;
    bottom: 14px;
    font-size: 52px;
    opacity: 0.06;
    z-index: 0;
    pointer-events: none
}

/* ===== Country Cards ===== */
.uni-tabs-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    justify-content: center
}

.uni-tab {
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid var(--gray-200);
    background: #fff;
    font-family: inherit
}

.uni-tab:hover {
    border-color: var(--blue-400);
    color: var(--blue-500)
}

.uni-tab.active {
    background: var(--blue-500);
    color: #fff;
    border-color: var(--blue-500)
}

.uni-tab .tab-flag {
    margin-right: 6px
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px
}

.country-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    cursor: pointer;
    display: block;
    text-decoration: none;
    color: inherit
}

.country-card:hover {
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.12);
    transform: translateY(-5px);
    border-color: var(--blue-200)
}

.cc-img {
    height: 180px;
    overflow: hidden;
    position: relative;
    background: var(--blue-800)
}

.cc-img-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s
}

.country-card:hover .cc-img-bg {
    transform: scale(1.08)
}

.cc-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.75) 0%, rgba(30, 64, 175, 0.55) 50%, rgba(37, 99, 235, 0.35) 100%)
}

.cc-name-large {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    z-index: 2;
    letter-spacing: 4px
}

.cc-body {
    padding: 14px 16px 18px
}

.cc-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px
}

.cc-tags span {
    font-size: 11px;
    padding: 2px 10px;
    background: var(--blue-50);
    border-radius: 10px;
    color: var(--blue-600);
    font-weight: 500
}

.cc-desc {
    font-size: 12px;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden
}

.cc-link {
    font-size: 13px;
    color: var(--blue-500);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition)
}

.country-card:hover .cc-link {
    gap: 10px
}

/* ===== Process ===== */
.process-flow {
    max-width: 1100px;
    margin: 0 auto;
    padding: 30px 0 10px
}

.pf-steps-row {
    display: flex;
    justify-content: space-between;
    position: relative;
    flex-wrap: wrap
}

.pf-steps-row::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 50px;
    right: 50px;
    height: 3px;
    background: linear-gradient(to right, var(--blue-500), var(--blue-200), var(--blue-500));
    border-radius: 2px;
    z-index: 0
}

.pf-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 100px;
    position: relative;
    z-index: 2
}

.pf-step + .pf-step::before {
    content: '›';
    position: absolute;
    left: -18px;
    top: 18px;
    font-size: 28px;
    color: var(--blue-400);
    font-weight: 300;
    opacity: 0.4;
    z-index: 1
}

.pf-circle {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    transition: var(--transition);
    position: relative;
    background: linear-gradient(135deg, #fff, #f3f4f6);
    border: 3px solid var(--gray-200);
    color: var(--gray-600)
}

.pf-step:hover .pf-circle, .pf-step.active .pf-circle {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    border-color: var(--blue-500);
    color: #fff;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
    transform: scale(1.08)
}

.pf-body {
    text-align: center
}

.pf-body h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
    margin-top: 4px
}

.pf-body p {
    font-size: 12px;
    color: var(--gray-500);
    line-height: 1.5;
    max-width: 110px;
    margin: 0 auto
}

/* ===== Cases ===== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px
}

.case-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    display: block;
    text-decoration: none;
    color: inherit
}

.case-card:hover {
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.1);
    transform: translateY(-4px)
}

.case-card-img {
    height: 180px;
    background: linear-gradient(135deg, var(--blue-100), var(--blue-200));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
    overflow: hidden
}

.case-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 14px;
    background: var(--blue-500);
    color: #fff;
    font-size: 12px;
    border-radius: 4px;
    font-weight: 600
}

.case-card-body {
    padding: 18px
}

.case-card-body h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px
}

.case-card-body p {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 14px;
    line-height: 1.5
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    background: var(--gray-50);
    padding: 12px;
    border-radius: var(--radius-sm);
    text-align: center
}

.case-stat .cs-num {
    font-size: 18px;
    font-weight: 700;
    color: var(--blue-500)
}

.case-stat .cs-label {
    font-size: 11px;
    color: var(--gray-500);
    margin-top: 2px
}

.case-stat .cs-icon {
    font-size: 20px;
    margin-bottom: 2px;
    display: block
}

/* Stats Bar */
.about-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: #fff;
    border-radius: var(--radius);
    padding: 36px 32px;
    text-align: center;
    border: 1px solid var(--gray-200);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06)
}

.sb-item {
    position: relative;
    padding: 8px 0
}

.sb-item + .sb-item {
    border-left: 1px solid var(--gray-200)
}

.sb-num {
    font-size: 38px;
    font-weight: 800;
    color: var(--blue-500);
    line-height: 1.1
}

.sb-num .suffix {
    font-size: 18px;
    color: var(--blue-500);
    opacity: 0.6
}

.sb-label {
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 6px;
    font-weight: 500
}

/* CTA */
.cta-banner {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
    color: #fff;
    padding: 60px 0;
    text-align: center
}

.cta-banner h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px
}

.cta-banner p {
    font-size: 15px;
    opacity: 0.85;
    margin-bottom: 28px
}

.cta-banner .cta-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap
}

/* ===== Home News ===== */
.hn-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px
}

.hn-card {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 18px 20px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--gray-100);
    text-decoration: none;
    color: inherit;
    transition: 0.25s
}

.hn-card:hover {
    border-color: var(--blue-200);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.08);
    transform: translateY(-2px)
}

.hn-date {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--blue-500)
}

.hn-date .day {
    font-size: 20px;
    font-weight: 800;
    line-height: 1
}

.hn-date .month {
    font-size: 10px;
    font-weight: 600;
    opacity: 0.7
}

.hn-body {
    flex: 1;
    min-width: 0
}

.hn-body h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.5;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden
}

.hn-body p {
    font-size: 13px;
    color: var(--gray-400);
    line-height: 1.4
}

.hn-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--blue-50);
    color: var(--blue-600);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 6px
}

@media (max-width: 1200px) {
    .lang-grid, .teacher-grid, .grid-4 {
        grid-template-columns: repeat(3, 1fr)
    }
}

@media (max-width: 1024px) {
    .nav-menu {
        display: none
    }

    .nav-menu.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 16px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        z-index: 999
    }

    .nav-menu li {
        position: relative
    }

    .nav-menu li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 16px;
        font-size: 15px
    }

    .nav-menu li > a::after {
        content: '';
        display: inline-block;
        width: 8px;
        height: 8px;
        border-right: 2px solid var(--gray-400);
        border-bottom: 2px solid var(--gray-400);
        transform: rotate(45deg);
        transition: var(--transition);
        flex-shrink: 0;
        margin-left: 8px;
        margin-top: -4px
    }

    .nav-menu li.has-sub.open > a::after {
        transform: -135deg;
        margin-top: 4px
    }

    .nav-menu li.has-sub.open > a {
        color: var(--blue-500);
        background: rgba(37, 99, 235, 0.05)
    }

    .nav-dropdown {
        display: none;
        position: static;
        min-width: unset;
        padding: 0 0 0 28px;
        box-shadow: none;
        border: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(249, 250, 251, 0.6)
    }

    .nav-menu li.has-sub.open > .nav-dropdown {
        display: block
    }

    .dropdown-grid {
        grid-template-columns: 1fr;
        gap: 0
    }

    .dropdown-item {
        flex-direction: row;
        gap: 10px;
        padding: 10px 14px;
        border-radius: 0;
        border-bottom: 1px solid var(--gray-100)
    }

    .dropdown-item:last-child {
        border-bottom: none
    }

    .di-flag {
        font-size: 18px;
        width: 22px;
        height: 16px;
        margin-bottom: 0
    }

    .di-name {
        font-size: 14px
    }

    .di-sub {
        font-size: 11px;
        color: var(--gray-400);
        margin-left: auto
    }

    .nav-toggle {
        display: flex
    }

    .lang-grid, .teacher-grid, .grid-4 {
        grid-template-columns: repeat(3, 1fr)
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr
    }

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

    .services-sidebar {
        display: none
    }

    .services-grid-new {
        grid-template-columns: repeat(2, 1fr)
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 32px
    }

    .hero-panel {
        display: none
    }

    .hero-content h1 {
        font-size: 34px
    }

    .page-hero h1 {
        font-size: 28px
    }

    .section-title {
        font-size: 26px
    }

    .section {
        padding: 48px 0
    }

    .hero {
        min-height: auto
    }

    .about-stats-bar {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width: 768px) {
    .lang-grid, .teacher-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px
    }

    .grid-2, .grid-3 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px
    }

    .services-grid-new {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px
    }

    .footer-col h4 {
        font-size: 14px;
        margin-bottom: 12px
    }

    .footer-col a {
        font-size: 12px;
        line-height: 1.8
    }

    .hero {
        min-height: auto;
        padding: 48px 0
    }

    .section-title {
        font-size: 22px
    }

    .section {
        padding: 32px 0
    }

    .contact-wrapper {
        grid-template-columns: 1fr
    }

    .about-stats-bar {
        grid-template-columns: repeat(2, 1fr);
        padding: 24px 16px;
        gap: 16px
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px
    }

    .footer-col h4 {
        font-size: 15px;
        margin-bottom: 10px;
        padding-bottom: 8px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12)
    }

    .footer-col a {
        font-size: 13px;
        line-height: 1.6;
        display: inline-block;
        margin-right: 14px;
        margin-bottom: 2px
    }
}

@media (max-width: 480px) {
    .lang-grid, .teacher-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px
    }

    .services-grid-new {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px
    }

    .hn-grid {
        grid-template-columns: 1fr;
        gap: 12px
    }

    .cases-grid {
        grid-template-columns: 1fr
    }

    .section-title {
        font-size: 20px
    }

    .hero-content h1 {
        font-size: 22px
    }

    .hero {
        padding: 36px 0
    }

    .section {
        padding: 28px 0
    }

    .about-stats-bar {
        grid-template-columns: repeat(2, 1fr);
        padding: 20px 12px;
        gap: 12px
    }

    .pf-steps-row {
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center
    }

    .pf-steps-row::before {
        display: none
    }

    .pf-step {
        min-width: calc(25% - 12px);
        flex: none
    }

    .pf-step + .pf-step::before {
        display: none
    }

    .pf-circle {
        width: 44px;
        height: 44px;
        font-size: 16px
    }

    .pf-body h4 {
        font-size: 13px
    }

    .pf-body p {
        font-size: 11px
    }

    .process-flow {
        padding: 0
    }
}