/* ========================================
   VPN VIET NAM — LUXE EDITION (index.php)
   Hướng thiết kế: hiện đại cao cấp — ivory ấm, mực sâu,
   son đỏ (theo logo #F03030), vàng đồng; chữ Be Vietnam Pro
   + Playfair Display (hỗ trợ đầy đủ dấu tiếng Việt).
   Không ghi đè: .navbar, .btn-primary, .btn-download-*,
   .map-container--live, .map-* (giữ nguyên header & nút tải).
   ======================================== */

:root {
    --lx-ivory: #faf7f2;
    --lx-ivory-2: #f3ece1;
    --lx-cream: #fffdfa;
    --lx-ink: #171310;
    --lx-ink-2: #2c2621;
    --lx-body: #4a4239;
    --lx-muted: #776c60;
    --lx-gold: #b08d4f;
    --lx-gold-soft: #d9c08a;
    --lx-crimson: #a8172a;
    --lx-crimson-bright: #c9243a;
    --lx-line: #e4dccd;
    --lx-line-soft: #efe8db;
    --lx-glass: rgba(255, 253, 250, 0.62);
    --lx-glass-strong: rgba(255, 253, 250, 0.82);
    --lx-glass-border: rgba(255, 255, 255, 0.75);
    --lx-aurora-1: #6366f1;
    --lx-aurora-2: #8b5cf6;
    --lx-aurora-3: #d9c08a;
    --lx-aurora-4: #c9243a;
    --lx-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
    --lx-serif: 'Playfair Display', 'Times New Roman', Georgia, serif;
    --lx-sans: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --lx-shell: 1180px;
}

/* ---------- Base ---------- */
.lx-body {
    background: var(--lx-cream);
    color: var(--lx-body);
    font-family: var(--lx-sans);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-synthesis: none;
}

/* Nền: lớp giấy màu ivory + quầng sáng rất nhẹ */
.lx-body .bg-animation {
    background:
        radial-gradient(1100px 640px at 78% -10%, rgba(99, 102, 241, 0.20), transparent 62%),
        radial-gradient(880px 520px at 8% 4%, rgba(139, 92, 246, 0.15), transparent 60%),
        radial-gradient(760px 520px at 92% 62%, rgba(217, 192, 138, 0.22), transparent 62%),
        radial-gradient(700px 460px at 4% 78%, rgba(201, 36, 58, 0.09), transparent 60%),
        linear-gradient(180deg, #fffdfa 0%, var(--lx-ivory) 38%, #f7f1e8 70%, var(--lx-cream) 100%);
}

/* Quầng sáng "aurora" nổi — chuyển động rất chậm, tinh tế */
.lx-body .shape {
    opacity: 0.5;
    filter: blur(90px);
    mix-blend-mode: multiply;
}

.lx-body .shape-1 {
    background: radial-gradient(circle, var(--lx-aurora-1) 0%, transparent 68%);
    animation-duration: 26s;
}

.lx-body .shape-2 {
    background: radial-gradient(circle, var(--lx-aurora-2) 0%, transparent 68%);
    animation-duration: 32s;
    animation-delay: -6s;
}

.lx-body .shape-3 {
    background: radial-gradient(circle, var(--lx-aurora-3) 0%, transparent 68%);
    animation-duration: 38s;
    animation-delay: -12s;
}

.lx-body .shape-4 {
    background: radial-gradient(circle, var(--lx-aurora-4) 0%, transparent 68%);
    animation-duration: 30s;
    animation-delay: -18s;
}

/* ---------- Khung chung ---------- */
.lx-shell {
    max-width: var(--lx-shell);
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

/* ---------- Nhãn ---------- */
.lx-eyebrow {
    display: block;
    margin: 0 0 1.15rem;
    font-family: var(--lx-sans);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--lx-crimson);
}

.lx-eyebrow--light {
    color: var(--lx-gold-soft);
}

/* ---------- Vạch trang trí ---------- */
.lx-rule {
    display: block;
    width: 62px;
    height: 1px;
    background: linear-gradient(90deg, var(--lx-gold), transparent);
    margin: 1.5rem 0;
}

/* ---------- Nút ---------- */
.lx-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.95rem 1.9rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-family: var(--lx-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.35s var(--lx-ease), box-shadow 0.35s var(--lx-ease),
                background 0.3s ease, color 0.3s ease, border-color 0.3s ease,
                letter-spacing 0.3s ease;
}

.lx-btn i { font-size: 0.8em; transition: transform 0.35s var(--lx-ease); }

.lx-btn:hover i {
    transform: translateX(4px);
}

.lx-btn--primary {
    background: linear-gradient(135deg, var(--lx-crimson-bright) 0%, var(--lx-crimson) 55%, #8f1322 100%);
    color: #fff;
    box-shadow: 0 12px 28px rgba(168, 23, 42, 0.28);
}

.lx-btn--primary:hover {
    background: linear-gradient(135deg, #d92a41 0%, var(--lx-crimson-bright) 55%, var(--lx-crimson) 100%);
    color: #fff;
    letter-spacing: 0.17em;
    transform: translateY(-2px);
    box-shadow: 0 18px 38px rgba(168, 23, 42, 0.36);
}

.lx-btn--ghost {
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-color: var(--lx-line);
    color: var(--lx-ink);
}

.lx-btn--ghost:hover {
    border-color: var(--lx-crimson);
    color: var(--lx-crimson);
    letter-spacing: 0.17em;
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(58, 42, 24, 0.11);
}

.lx-btn--ivory {
    background: rgba(255, 253, 250, 0.92);
    color: var(--lx-ink);
    box-shadow: 0 12px 28px rgba(58, 10, 20, 0.22);
}

.lx-btn--ivory:hover {
    background: #fff;
    color: var(--lx-crimson);
    letter-spacing: 0.17em;
    transform: translateY(-2px);
}

.lx-btn--outline-light {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.45);
    color: #fff;
}

.lx-btn--outline-light:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    letter-spacing: 0.17em;
    transform: translateY(-2px);
}

/* ========================================
   HERO
   ======================================== */
.lx-hero {
    padding: 9.5rem 0 4.5rem;
    position: relative;
    overflow: hidden;
}

.lx-hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    gap: 4rem;
    align-items: center;
}

.lx-hero__title {
    margin: 0;
    font-family: var(--lx-serif);
    font-size: clamp(2.6rem, 4.8vw, 4.1rem);
    font-weight: 600;
    line-height: 1.14;
    letter-spacing: -0.018em;
    color: var(--lx-ink);
    text-wrap: balance;
}

.lx-hero__title span {
    display: block;
}

.lx-hero__title-italic {
    font-style: italic;
    font-weight: 600;
    color: var(--lx-crimson);
    position: relative;
}

/* Gạch chân nhẹ dưới dòng nghiêng — chi tiết biên tập tinh tế */
.lx-hero__title-italic::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.08em;
    height: 1px;
    background: linear-gradient(90deg, rgba(168, 23, 42, 0.55), rgba(176, 141, 79, 0.35), transparent);
}

.lx-hero__desc {
    max-width: 54ch;
    margin: 0 0 2.2rem;
    font-size: 1.02rem;
    font-weight: 400;
    line-height: 1.85;
    color: var(--lx-body);
}

.lx-hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-bottom: 2rem;
}

.lx-hero__downloads {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.lx-hero__note {
    margin: 0;
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--lx-muted);
}

/* ---------- Bảng điều khiển node ---------- */
.lx-panel {
    position: relative;
    padding: 2.2rem 2rem 0;
    background: var(--lx-glass);
    backdrop-filter: blur(22px) saturate(140%);
    -webkit-backdrop-filter: blur(22px) saturate(140%);
    border: 1px solid var(--lx-glass-border);
    border-radius: 18px;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.85) inset,
        0 26px 60px rgba(58, 42, 24, 0.12),
        0 2px 10px rgba(58, 42, 24, 0.05);
}

/* Nhãn hiệu thương hiệu — đặt trên đỉnh bảng điều khiển */
.lx-panel__crest {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1.35rem;
}

.lx-panel__logo {
    display: block;
    width: 100%;
    max-width: 232px;
    height: auto;
    /* Logo gốc: nền trong suốt, mực đen + son đỏ */
    filter: drop-shadow(0 6px 16px rgba(58, 42, 24, 0.14));
    transition: transform 0.5s var(--lx-ease);
}

.lx-panel__crest-rule {
    display: block;
    width: 100%;
    max-width: 232px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(176, 141, 79, 0.62) 22%, rgba(176, 141, 79, 0.62) 78%, transparent);
}

.lx-panel::before {
    content: '';
    position: absolute;
    inset: 9px;
    border: 1px solid rgba(176, 141, 79, 0.42);
    border-radius: 11px;
    pointer-events: none;
}

.lx-panel__head {
    position: relative;
    padding-bottom: 1.5rem;
    text-align: center;
}

.lx-panel__label {
    margin: 0 0 0.5rem;
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--lx-crimson);
}

.lx-panel__title {
    margin: 0 0 0.35rem;
    font-family: var(--lx-serif);
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.15;
    color: var(--lx-ink);
}

.lx-panel__sub {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--lx-muted);
}

.lx-nodes {
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
}

.lx-node {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0;
    border-top: 1px solid var(--lx-line-soft);
}

.lx-node__flag {
    width: 24px;
    height: 24px;
    object-fit: cover;
    border-radius: 1px;
    flex-shrink: 0;
}

.lx-node__name {
    font-size: 0.92rem;
    font-weight: 400;
    color: var(--lx-ink-2);
}

.lx-node__id {
    margin-left: auto;
    font-family: var(--lx-sans);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.14em;
    color: var(--lx-muted);
}

.lx-node__state {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #2f8f4e;
    box-shadow: 0 0 0 3px rgba(47, 143, 78, 0.14);
    flex-shrink: 0;
}

.lx-node__state.is-off {
    background: var(--lx-muted);
    box-shadow: none;
}

.lx-panel__foot {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    margin: 0.5rem -2rem 0;
    padding: 1.05rem;
    border-top: 1px solid var(--lx-line);
    border-radius: 0 0 17px 17px;
    background: rgba(255, 255, 255, 0.45);
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--lx-crimson);
    transition: background 0.25s ease, color 0.25s ease;
}

.lx-panel__foot:hover {
    background: var(--lx-ink);
    color: var(--lx-ivory);
}

/* ---------- Chỉ số ---------- */
.lx-stats {
    margin-top: 4.5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
}

.lx-stat {
    text-align: center;
    padding: 1.6rem 1.5rem;
    border-radius: 16px;
    background: var(--lx-glass);
    backdrop-filter: blur(16px) saturate(135%);
    -webkit-backdrop-filter: blur(16px) saturate(135%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 12px 30px rgba(58, 42, 24, 0.07);
    transition: transform 0.4s var(--lx-ease), box-shadow 0.4s var(--lx-ease);
}

.lx-stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 22px 42px rgba(58, 42, 24, 0.12);
}

.lx-stat + .lx-stat {
    border-left: none;
}

.lx-stat__value {
    margin: 0 0 0.35rem;
    font-family: var(--lx-sans);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.022em;
    line-height: 1;
    color: var(--lx-ink);
}

.lx-stat__label {
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--lx-muted);
}

/* ========================================
   SECTION
   ======================================== */
.lx-section {
    padding: 6.5rem 0;
}

.lx-section--ivory {
    background: rgba(250, 247, 242, 0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.7);
}

.lx-section--dark {
    background: var(--lx-ink);
    border-top: none;
    border-bottom: none;
}

.lx-section--crimson {
    background:
        radial-gradient(900px 460px at 12% 0%, rgba(217, 192, 138, 0.24), transparent 60%),
        linear-gradient(135deg, #8f1322 0%, var(--lx-crimson) 52%, #b81f31 100%);
}

.lx-closing {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.lx-closing__title {
    margin: 0 0 0.75rem;
    font-family: var(--lx-sans);
    font-size: clamp(1.95rem, 3.4vw, 2.7rem);
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.16;
    color: #fff;
}

/* ---------- Tiêu đề section ---------- */
.lx-heading {
    max-width: 720px;
    margin: 0 auto 3.75rem;
    text-align: center;
}

.lx-heading__title {
    margin: 0 0 1.1rem;
    font-family: var(--lx-sans);
    font-size: clamp(1.95rem, 3.5vw, 2.85rem);
    font-weight: 700;
    line-height: 1.16;
    letter-spacing: -0.012em;
    color: var(--lx-ink);
}

.lx-heading__desc {
    margin: 0 auto;
    max-width: 58ch;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.85;
    color: var(--lx-body);
}

.lx-heading--light .lx-heading__title { color: var(--lx-ivory); }
.lx-heading--light .lx-heading__desc { color: rgba(250, 247, 242, 0.72); }

/* ========================================
   CAM KẾT CHẤT LƯỢNG
   ======================================== */
.lx-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3.5rem 3rem;
}

.lx-feature {
    position: relative;
    padding: 1.9rem 1.6rem 1.7rem;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    background: var(--lx-glass);
    backdrop-filter: blur(18px) saturate(135%);
    -webkit-backdrop-filter: blur(18px) saturate(135%);
    box-shadow: 0 14px 34px rgba(58, 42, 24, 0.07);
    transition: transform 0.4s var(--lx-ease), box-shadow 0.4s var(--lx-ease),
                border-color 0.4s var(--lx-ease);
}

.lx-feature::before {
    content: '';
    position: absolute;
    left: 1.6rem;
    right: 1.6rem;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--lx-gold), transparent);
    opacity: 0;
    transition: opacity 0.4s var(--lx-ease);
}

.lx-feature:hover {
    transform: translateY(-6px);
    border-color: rgba(176, 141, 79, 0.45);
    box-shadow: 0 24px 52px rgba(58, 42, 24, 0.13);
}

.lx-feature:hover::before {
    opacity: 1;
}

.lx-feature__num {
    display: block;
    margin-bottom: 0.9rem;
    font-family: var(--lx-sans);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    color: var(--lx-gold);
}

.lx-feature__title {
    margin: 0 0 0.6rem;
    font-family: var(--lx-sans);
    font-size: 1.28rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    line-height: 1.3;
    color: var(--lx-ink);
}

.lx-feature__desc {
    margin: 0;
    font-size: 0.94rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--lx-body);
}

/* ========================================
   QUY TRÌNH
   ======================================== */
.lx-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: lxstep;
}

.lx-step {
    position: relative;
    padding: 1.9rem 1.6rem;
    border-radius: 16px;
    background: var(--lx-glass);
    backdrop-filter: blur(16px) saturate(135%);
    -webkit-backdrop-filter: blur(16px) saturate(135%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 12px 30px rgba(58, 42, 24, 0.07);
    counter-increment: lxstep;
}

.lx-step + .lx-step {
    padding-left: 1.6rem;
}

.lx-step + .lx-step::before {
    display: none;
}

.lx-step__num {
    display: block;
    margin-bottom: 1.1rem;
    font-family: var(--lx-sans);
    font-size: 2.1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1;
    color: var(--lx-gold);
}

.lx-step__title {
    margin: 0 0 0.55rem;
    font-family: var(--lx-sans);
    font-size: 1.32rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    color: var(--lx-ink);
}

.lx-step__desc {
    margin: 0;
    font-size: 0.93rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--lx-body);
}

/* ========================================
   BẢNG GIÁ
   ======================================== */
.lx-plans {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    align-items: start;
}

.lx-plan {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 2.6rem 2.2rem;
    background: var(--lx-glass-strong);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: 18px;
    box-shadow: 0 18px 44px rgba(58, 42, 24, 0.09);
    transition: transform 0.4s var(--lx-ease), box-shadow 0.4s var(--lx-ease),
                border-color 0.4s var(--lx-ease);
}

.lx-plan:hover {
    transform: translateY(-8px);
    border-color: rgba(176, 141, 79, 0.5);
    box-shadow: 0 34px 66px rgba(58, 42, 24, 0.16);
}

.lx-plan--featured {
    background: linear-gradient(165deg, #241f1a 0%, #171310 55%, #1f1a15 100%);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-color: rgba(176, 141, 79, 0.55);
    border-radius: 18px;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.08) inset,
        0 32px 64px rgba(23, 19, 16, 0.28);
}

.lx-plan--featured:hover {
    border-color: rgba(176, 141, 79, 0.85);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.1) inset,
        0 40px 78px rgba(23, 19, 16, 0.36);
}

.lx-plan__ribbon {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.42rem 1.05rem;
    border-radius: 0 17px 0 10px;
    background: linear-gradient(135deg, var(--lx-gold-soft), var(--lx-gold));
    color: var(--lx-ink);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.lx-plan__name {
    margin: 0 0 0.7rem;
    font-family: var(--lx-sans);
    font-size: 1.34rem;
    font-weight: 600;
    letter-spacing: -0.008em;
    line-height: 1.25;
    color: var(--lx-ink);
}

.lx-plan--featured .lx-plan__name {
    color: var(--lx-ivory);
}

.lx-plan__desc {
    margin: 0 0 1.9rem;
    min-height: 4.2rem;
    font-size: 0.93rem;
    font-weight: 400;
    line-height: 1.75;
    color: var(--lx-body);
}

.lx-plan--featured .lx-plan__desc {
    color: rgba(250, 247, 242, 0.68);
}

.lx-plan__price {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-bottom: 1.7rem;
    margin-bottom: 1.7rem;
    border-bottom: 1px solid var(--lx-line-soft);
}

.lx-plan--featured .lx-plan__price {
    border-bottom-color: rgba(250, 247, 242, 0.16);
}

.lx-plan__amount {
    font-family: var(--lx-serif);
    font-size: 2.9rem;
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.015em;
    color: var(--lx-ink);
    /* Playfair Display mặc định dùng chữ số kiểu old-style (2 và 1 thấp
       bằng x-height, 5 tràn xuống dưới đường cơ sở) → trông lệch vị trí.
       Bật lining figures + tabular numerals để các con số thẳng hàng. */
    font-variant-numeric: lining-nums tabular-nums;
}

.lx-plan--featured .lx-plan__amount {
    color: var(--lx-gold-soft);
}

.lx-plan__amount--custom {
    font-size: 2.1rem;
}

.lx-plan__unit {
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--lx-muted);
}

.lx-plan__features {
    list-style: none;
    margin: 0 0 2.2rem;
    padding: 0;
    display: grid;
    gap: 0.8rem;
    flex: 1;
}

.lx-plan__features li {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    font-size: 0.92rem;
    font-weight: 400;
    color: var(--lx-ink-2);
}

.lx-plan--featured .lx-plan__features li {
    color: rgba(250, 247, 242, 0.85);
}

.lx-plan__tick {
    width: 7px;
    height: 7px;
    margin-top: 0.5em;
    border-radius: 50%;
    background: var(--lx-gold);
    box-shadow: 0 0 0 3px rgba(176, 141, 79, 0.16);
    flex-shrink: 0;
}

.lx-btn--plan {
    width: 100%;
}

/* ========================================
   HẠ TẦNG (nền tối)
   ======================================== */
.lx-map {
    max-width: 1080px;
    margin: 0 auto;
    background: rgba(255, 253, 250, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 2.25rem 2.25rem 1.5rem;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.6) inset,
        0 34px 74px rgba(0, 0, 0, 0.38);
}

.lx-map .map-live-title {
    margin: 0 0 1.5rem;
    text-align: center;
    font-family: var(--lx-serif);
    font-size: 1.55rem;
    font-weight: 600;
    font-style: italic;
    letter-spacing: 0.01em;
    color: var(--lx-ink);
}

.lx-map .map-stage {
    border-top: 1px solid var(--lx-line-soft);
    padding-top: 1.5rem;
}

.lx-network__note {
    max-width: 760px;
    margin: 1.75rem auto 0;
    text-align: center;
    font-size: 0.87rem;
    font-weight: 400;
    line-height: 1.8;
    color: rgba(250, 247, 242, 0.6);
}

/* ========================================
   NỘI DUNG
   ======================================== */
.lx-coverage {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 4rem;
    align-items: start;
}

.lx-coverage__title {
    margin: 0 0 1.5rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--lx-line);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--lx-crimson);
}

.lx-tiles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.1rem;
}

.lx-tiles--apps {
    grid-template-columns: repeat(3, 1fr);
}

.lx-tile {
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: 14px;
    overflow: hidden;
    background: var(--lx-glass-strong);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 12px 28px rgba(58, 42, 24, 0.08);
    transition: transform 0.4s var(--lx-ease), border-color 0.4s var(--lx-ease),
                box-shadow 0.4s var(--lx-ease);
}

.lx-tile:hover {
    transform: translateY(-6px);
    border-color: rgba(176, 141, 79, 0.45);
    box-shadow: 0 22px 44px rgba(58, 42, 24, 0.14);
}

.lx-tile img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.lx-tile:hover img {
    transform: scale(1.06);
}

.lx-tile--app img {
    aspect-ratio: 1 / 1;
}

.lx-tile__body {
    padding: 0.85rem 0.9rem 1rem;
}

.lx-tile__name {
    display: block;
    font-family: var(--lx-sans);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    color: var(--lx-ink);
}

.lx-tile__tag {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.68rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--lx-muted);
}

.lx-note {
    margin: 2rem 0 0;
    padding-top: 1.4rem;
    border-top: 1px solid var(--lx-line);
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.85;
    color: var(--lx-body);
}

/* ========================================
   ĐÁNH GIÁ
   ======================================== */
.lx-reviews {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.75rem;
}

.lx-review {
    margin: 0;
    position: relative;
    padding: 2.4rem 1.8rem 1.9rem;
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: 16px;
    background: var(--lx-glass-strong);
    backdrop-filter: blur(16px) saturate(135%);
    -webkit-backdrop-filter: blur(16px) saturate(135%);
    box-shadow: 0 14px 34px rgba(58, 42, 24, 0.08);
    transition: transform 0.4s var(--lx-ease), box-shadow 0.4s var(--lx-ease);
}

.lx-review:hover {
    transform: translateY(-5px);
    box-shadow: 0 24px 46px rgba(58, 42, 24, 0.13);
}

.lx-review__quote {
    position: absolute;
    top: 0.9rem;
    left: 1.35rem;
    font-family: var(--lx-serif);
    font-size: 4rem;
    font-weight: 400;
    line-height: 1;
    color: var(--lx-gold);
    opacity: 0.45;
}

.lx-review blockquote {
    margin: 0 0 1.75rem;
    font-family: var(--lx-serif);
    font-size: 1.2rem;
    font-weight: 500;
    font-style: italic;
    line-height: 1.72;
    color: var(--lx-ink-2);
}

.lx-review figcaption {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--lx-line-soft);
}

.lx-review__name {
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--lx-ink);
}

.lx-review__role {
    font-size: 0.76rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--lx-muted);
}

/* ========================================
   KẾT THÚC
   ======================================== */
.lx-closing__desc {
    margin: 0;
    max-width: 56ch;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.82);
}

.lx-closing__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    flex-shrink: 0;
}

/* ========================================
   FAQ
   ======================================== */
.lx-faq {
    max-width: 860px;
    margin: 0 auto;
    border-radius: 18px;
    overflow: hidden;
    background: var(--lx-glass-strong);
    backdrop-filter: blur(18px) saturate(135%);
    -webkit-backdrop-filter: blur(18px) saturate(135%);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: 0 16px 40px rgba(58, 42, 24, 0.09);
}

.lx-faq__item {
    border-bottom: 1px solid var(--lx-line-soft);
    transition: background 0.3s ease;
}

.lx-faq__item:last-child {
    border-bottom: none;
}

.lx-faq__item[open] {
    background: rgba(255, 255, 255, 0.4);
}

.lx-faq__item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.75rem;
    padding: 1.35rem 0;
    cursor: pointer;
    list-style: none;
    transition: color 0.25s ease;
}

.lx-faq__item summary::-webkit-details-marker {
    display: none;
}

.lx-faq__item summary:hover .lx-faq__q {
    color: var(--lx-crimson);
}

.lx-faq__q {
    font-family: var(--lx-sans);
    font-size: 1.12rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    color: var(--lx-ink);
    transition: color 0.25s ease;
}

.lx-faq__icon {
    position: relative;
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.lx-faq__icon::before,
.lx-faq__icon::after {
    content: '';
    position: absolute;
    background: var(--lx-crimson);
    transition: transform 0.3s ease;
}

.lx-faq__icon::before {
    left: 0;
    top: 6px;
    width: 14px;
    height: 1px;
}

.lx-faq__icon::after {
    left: 6px;
    top: 0;
    width: 1px;
    height: 14px;
}

.lx-faq__item[open] .lx-faq__icon::after {
    transform: scaleY(0);
}

.lx-faq__a {
    padding: 0 3rem 1.7rem 0;
    animation: lx-fade 0.45s var(--lx-ease);
}

@keyframes lx-fade {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.lx-faq__a p {
    margin: 0;
    max-width: 74ch;
    font-size: 0.96rem;
    font-weight: 400;
    line-height: 1.85;
    color: var(--lx-body);
}

.lx-faq__more {
    max-width: 860px;
    margin: 2rem auto 0;
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.lx-faq__more a {
    color: var(--lx-crimson);
    text-decoration: none;
    transition: letter-spacing 0.25s ease;
}

.lx-faq__more a:hover {
    letter-spacing: 0.2em;
}

.lx-faq__more i {
    font-size: 0.8em;
    margin-left: 0.35rem;
}

/* ========================================
   REVEAL KHI CUỘN
   ======================================== */
.lx-reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.8s var(--lx-ease), transform 0.8s var(--lx-ease);
    transition-delay: var(--lx-delay, 0ms);
    will-change: opacity, transform;
}

.lx-reveal--in {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1080px) {
    .lx-hero__inner {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }

    .lx-features,
    .lx-plans,
    .lx-steps,
    .lx-reviews {
        grid-template-columns: repeat(2, 1fr);
    }

    .lx-step:nth-child(3) {
        padding-left: 1.6rem;
        grid-column: 1 / -1;
    }

    .lx-step:nth-child(3)::before {
        display: none;
    }

    .lx-coverage {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .lx-closing {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 820px) {
    .lx-tiles,
    .lx-tiles--apps {
        grid-template-columns: repeat(2, 1fr);
    }

    .lx-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem 0;
    }

    .lx-stat:nth-child(3) {
        border-left: none;
    }

    .lx-stats {
        gap: 1rem;
    }
}

@media (max-width: 640px) {
    .lx-section {
        padding: 4.25rem 0;
    }

    .lx-hero {
        padding: 7.5rem 0 3rem;
    }

    .lx-shell {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .lx-features,
    .lx-plans,
    .lx-steps,
    .lx-reviews {
        grid-template-columns: 1fr;
    }

    .lx-step,
    .lx-step + .lx-step {
        padding-left: 1.4rem;
        padding-right: 1.4rem;
    }

    .lx-closing__actions .lx-btn {
        width: 100%;
    }

    .lx-hero__cta .lx-btn {
        flex: 1 1 auto;
    }

    .lx-panel__logo,
    .lx-panel__crest-rule {
        max-width: 190px;
    }

    .lx-panel__crest {
        margin-bottom: 1.15rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lx-tile,
    .lx-plan,
    .lx-btn,
    .lx-faq__icon::after,
    .lx-feature,
    .lx-step,
    .lx-stat,
    .lx-review,
    .lx-btn i {
        transition: none;
    }

    .lx-reveal {
        opacity: 1;
        transform: none;
    }

    .lx-btn:hover,
    .lx-tile:hover,
    .lx-plan:hover,
    .lx-feature:hover,
    .lx-step:hover,
    .lx-stat:hover,
    .lx-review:hover {
        transform: none;
    }
}