:root {
    --v5-blue: #1e40af;
    --v5-blue-dark: #1e3a8a;
    --v5-blue-light: #dbeafe;
    --v5-green: #059669;
    --v5-green-dark: #047857;
    --v5-ink: #111827;
    --v5-grey: #6b7280;
    --v5-grey-light: #f9fafb;
    --v5-border: #e5e7eb;
    --v5-white: #ffffff;
    --v5-radius: 14px;
    --v5-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    --v5-shadow-lg: 0 16px 48px rgba(30, 64, 175, 0.1);
}

html { scroll-behavior: smooth; }
body {
    font-family: 'Ubuntu', sans-serif;
    color: var(--v5-ink);
}

/* ===== NAV ===== */
.v5-nav {
    position: sticky;
    top: 0; left: 0; right: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--v5-border);
    transition: box-shadow .3s;
}
.v5-nav.scrolled { box-shadow: var(--v5-shadow); }
.v5-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.v5-brand img { height: 40px; }
.v5-brand span { font-weight: 700; font-size: 1.1rem; color: var(--v5-blue-dark); }
.v5-lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    border-radius: 8px;
    background: var(--v5-grey-light);
    border: 1px solid var(--v5-border);
    color: var(--v5-blue);
    font-weight: 700;
    font-size: 0.82rem;
    text-decoration: none;
    transition: all .2s;
}
.v5-lang-btn:hover {
    background: var(--v5-blue);
    color: #fff;
    border-color: var(--v5-blue);
}

/* ===== BUTTONS ===== */
.v5-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    text-decoration: none;
    transition: all .25s;
    cursor: pointer;
}
.v5-btn-green {
    background: var(--v5-green);
    color: #fff;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}
.v5-btn-green:hover {
    background: var(--v5-green-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.35);
}
.v5-btn-blue {
    background: var(--v5-blue);
    color: #fff;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}
.v5-btn-blue:hover {
    background: var(--v5-blue-dark);
    color: #fff;
    transform: translateY(-2px);
}
.v5-btn-outline {
    background: transparent;
    color: var(--v5-blue);
    border: 2px solid var(--v5-border);
}
.v5-btn-outline:hover {
    border-color: var(--v5-blue);
    background: var(--v5-blue-light);
    color: var(--v5-blue);
}
.v5-btn-lg { padding: 15px 36px; font-size: 1.08rem; }
.v5-glow {
    animation: v5-glow 2.5s infinite;
}
@keyframes v5-glow {
    0%, 100% { box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25); }
    50% { box-shadow: 0 4px 28px rgba(5, 150, 105, 0.5); }
}

/* ===== SECTIONS ===== */
.v5-sec { padding: 70px 0; }
.v5-sec-grey { background: var(--v5-grey-light); }
.v5-sec-dark { background: var(--v5-ink); color: #fff; }
.v5-sec-title {
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 0.4rem;
}
.v5-sec-sub {
    font-size: 1.05rem;
    color: var(--v5-grey);
    margin-bottom: 2.5rem;
}
.v5-sec-dark .v5-sec-sub { color: rgba(255,255,255,0.5); }

/* ===== HERO ===== */
.v5-hero {
    padding: 100px 0 60px;
    background: var(--v5-grey-light);
    position: relative;
    overflow: hidden;
}
.v5-hero::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30,64,175,0.05), transparent 65%);
    top: -100px; right: -100px;
}
.v5-hero-overline {
    display: inline-block;
    background: var(--v5-blue-light);
    color: var(--v5-blue);
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 18px;
}
.v5-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.12;
    margin-bottom: 0.4rem;
}
.v5-hero h1 .hl { color: var(--v5-blue); }
.v5-hero-sub {
    font-size: 1.1rem;
    color: var(--v5-grey);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 540px;
}
.v5-hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 1.5rem;
}
.v5-hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 1.5rem;
}
.v5-hero-badges span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: #fff;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--v5-grey);
    border: 1px solid var(--v5-border);
}
.v5-hero-badges i { color: var(--v5-green); }
.v5-hero-img img {
    border-radius: var(--v5-radius);
    box-shadow: var(--v5-shadow-lg);
    width: 100%;
    height: auto;
}

/* ===== PROOF ===== */
.v5-proof {
    background: var(--v5-blue-dark);
    color: #fff;
    padding: 50px 0;
}
.v5-proof-title {
    font-size: 1.7rem;
    font-weight: 800;
    margin-bottom: 0.6rem;
    color: #fff;
}
.v5-proof-desc {
    font-size: 0.98rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    margin-bottom: 1.2rem;
}
.v5-proof-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.v5-proof-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
}
.v5-proof-badge i { color: #34d399; }
.v5-proof-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--v5-radius);
    padding: 28px 20px;
    text-align: center;
    transition: all .3s;
}
.v5-proof-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
}
.v5-proof-card-icon {
    font-size: 1.5rem;
    color: #60a5fa;
    margin-bottom: 10px;
}
.v5-proof-card-num {
    font-size: 2.4rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}
.v5-proof-card-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 6px;
}

/* ===== FEATURE CARDS ===== */
.v5-feat {
    background: #fff;
    border-radius: var(--v5-radius);
    padding: 24px;
    height: 100%;
    border: 1px solid var(--v5-border);
    transition: all .3s;
}
.v5-feat:hover {
    border-color: var(--v5-blue-light);
    box-shadow: var(--v5-shadow);
    transform: translateY(-3px);
}
.v5-feat-icon {
    width: 48px; height: 48px;
    background: var(--v5-blue-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--v5-blue);
    margin-bottom: 14px;
}
.v5-feat h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.v5-feat p {
    font-size: 0.9rem;
    color: var(--v5-grey);
    line-height: 1.6;
    margin: 0;
}

/* ===== SPEC TABLE ===== */
.v5-spec-table {
    background: #fff;
    border-radius: var(--v5-radius);
    overflow: hidden;
    box-shadow: var(--v5-shadow);
}
.v5-spec-row {
    display: flex;
    justify-content: space-between;
    padding: 14px 24px;
    border-bottom: 1px solid var(--v5-border);
}
.v5-spec-row:last-child { border-bottom: none; }
.v5-spec-row .l { font-weight: 600; }
.v5-spec-row .v { color: var(--v5-grey); text-align: right; }
.v5-spec-types {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}
.v5-spec-type {
    background: var(--v5-blue-light);
    color: var(--v5-blue);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
}
.v5-spec-img {
    border-radius: var(--v5-radius);
    overflow: hidden;
    box-shadow: var(--v5-shadow);
}
.v5-spec-img img { width: 100%; height: 100%; object-fit: cover; }
.v5-spec-img-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    height: 100%;
}
.v5-spec-img-grid > div {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--v5-shadow);
}
.v5-spec-img-grid img { width: 100%; height: 100%; object-fit: cover; }

/* ===== ADVANTAGES ===== */
.v5-adv {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: #fff;
    border-radius: var(--v5-radius);
    border: 1px solid var(--v5-border);
    transition: all .3s;
    height: 100%;
}
.v5-adv:hover {
    border-color: var(--v5-green);
    box-shadow: 0 8px 30px rgba(5, 150, 105, 0.08);
}
.v5-adv-num {
    flex-shrink: 0;
    width: 44px; height: 44px;
    background: var(--v5-green);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
}
.v5-adv h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 4px; }
.v5-adv p { font-size: 0.88rem; color: var(--v5-grey); line-height: 1.6; margin: 0; }

/* ===== TESTIMONIALS (kept for compat, unused in v5 now) ===== */

/* ===== VIDEO LAZY LOAD ===== */
.v5-video-wrap {
    position: relative;
    border-radius: var(--v5-radius);
    overflow: hidden;
    box-shadow: var(--v5-shadow-lg);
}
.v5-video-placeholder {
    position: relative;
    aspect-ratio: 16 / 9;
    cursor: pointer;
    background: var(--v5-ink);
}
.v5-video-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
    transition: opacity .3s;
}
.v5-video-placeholder:hover .v5-video-thumb { opacity: 0.65; }
.v5-video-play {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}
.v5-video-play i {
    font-size: 3.5rem;
    color: #fff;
    width: 84px; height: 84px;
    background: rgba(220, 38, 38, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .3s;
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.4);
}
.v5-video-placeholder:hover .v5-video-play i {
    background: rgba(220, 38, 38, 1);
    transform: scale(1.05);
}
.v5-video-play span {
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
}
.v5-video-wrap iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: none;
}
.v5-video-empty {
    aspect-ratio: 16 / 9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--v5-grey-light);
    color: var(--v5-grey);
    font-size: 1rem;
}
.v5-video-empty i {
    font-size: 2.5rem;
    margin-bottom: 10px;
    opacity: 0.4;
}

/* ===== CTA ===== */
.v5-cta {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #0f172a 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.v5-cta::before {
    content: '';
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.15), transparent 60%);
    bottom: -200px; left: -100px;
    pointer-events: none;
}
.v5-cta::after {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 64, 175, 0.12), transparent 60%);
    top: -150px; right: -80px;
    pointer-events: none;
}
.v5-cta-inner {
    max-width: 600px;
    margin: 0 auto;
}
.v5-cta h2 {
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 0.6rem;
    position: relative;
}
.v5-cta .sub {
    color: rgba(255,255,255,0.5);
    font-size: 1.05rem;
    margin-bottom: 2.2rem;
}
.v5-cta-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 1.8rem;
}
.v5-btn-light-outline {
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}
.v5-btn-light-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}
.v5-cta-contact {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.4);
}
.v5-cta-contact a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color .2s;
}
.v5-cta-contact a:hover { color: #fff; }
.v5-cta-dot {
    margin: 0 10px;
}

/* ===== FOOTER ===== */
.v5-footer {
    background: #fff;
    border-top: 1px solid var(--v5-border);
    padding: 40px 0 24px;
}
.v5-footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 18px;
}
.v5-footer-brand img { height: 32px; }
.v5-footer-brand span {
    font-weight: 700;
    font-size: 1rem;
    color: var(--v5-blue-dark);
}
.v5-footer-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}
.v5-footer-info span {
    font-size: 0.85rem;
    color: var(--v5-grey);
}
.v5-footer-info i {
    color: var(--v5-blue);
    margin-right: 4px;
}
.v5-footer-copy {
    font-size: 0.8rem;
    color: #9ca3af;
    margin: 0;
}
@media (min-width: 576px) {
    .v5-footer-info {
        flex-direction: row;
        justify-content: center;
        gap: 24px;
        flex-wrap: wrap;
    }
}

/* ===== FLOATING WA ===== */
.v5-float-wa {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1050;
    width: 60px;
    height: 60px;
    background: var(--v5-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #fff;
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.5);
    transition: all .3s;
    text-decoration: none;
    animation: v5-float 3s ease-in-out infinite;
}
.v5-float-wa:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 28px rgba(5, 150, 105, 0.6);
    color: #fff;
}
@keyframes v5-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
.v5-float-wa .label {
    position: absolute;
    right: 72px;
    background: var(--v5-ink);
    color: #fff;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
}
.v5-float-wa:hover .label { opacity: 1; }

/* ===== MOBILE STICKY BAR ===== */
.v5-sticky-bar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: #fff;
    padding: 10px 16px;
    z-index: 1040;
    box-shadow: 0 -2px 16px rgba(0,0,0,0.08);
    display: flex;
    gap: 10px;
}
.v5-sticky-bar a {
    flex: 1;
    text-align: center;
    padding: 12px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.92rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.v5-sticky-bar .wa { background: var(--v5-green); color: #fff; }
.v5-sticky-bar .form { background: var(--v5-blue); color: #fff; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .v5-hero { padding: 80px 0 50px; }
    .v5-sec { padding: 50px 0; }
    .v5-proof { padding: 40px 0; }
    .v5-proof-title { font-size: 1.3rem; }
    .v5-proof-card { padding: 20px 12px; }
    .v5-proof-card-num { font-size: 1.8rem; }
    .v5-proof-card-label { font-size: 0.78rem; }
    .v5-proof-badges { gap: 6px; }
    .v5-proof-badge { padding: 6px 10px; font-size: 0.78rem; }
    .v5-btn-lg { padding: 14px 28px; font-size: 1rem; }
    .v5-brand img { height: 34px; }
    .v5-brand span { font-size: 0.98rem; }
    .v5-cta { padding: 60px 0; }
    .v5-spec-img-grid { gap: 8px; }
    .v5-adv { padding: 18px; }
}

@media (max-width: 576px) {
    .v5-hero-badges { font-size: 0.78rem; }
    .v5-sticky-bar { padding: 8px 12px; }
    .v5-sticky-bar a { padding: 10px; font-size: 0.82rem; }
}