:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary: #0f172a;
    --accent: #10b981;
    --cyan-glow: #06b6d4;
    --dark-card: #1e293b;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .brand-font {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* NAVBAR */
.navbar-custom {
    background: rgba(15, 23, 42, 0.94) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
    padding: 0.85rem 0;
}
.navbar-brand {
    font-weight: 800;
    font-size: 1.45rem;
    color: #ffffff !important;
    display: flex;
    align-items: center;
    gap: 10px;
}
.navbar-brand .logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), #38bdf8);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.15rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}
.nav-link {
    color: #cbd5e1 !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.9rem !important;
    transition: all 0.25s ease;
}
.nav-link:hover {
    color: #38bdf8 !important;
}

/* LANGUAGE SWITCHER PILL */
.lang-switch-pill {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 50px;
    padding: 3px;
    gap: 3px;
}
.lang-switch-btn {
    border: none;
    background: transparent;
    color: #94a3b8;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    outline: none;
    line-height: 1.2;
}
.lang-switch-btn:hover {
    color: #ffffff;
}
.lang-switch-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #ffffff;
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.45);
}

.btn-nav-login {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #ffffff !important;
    border-radius: 50px;
    padding: 8px 22px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    border: none;
    transition: all 0.3s ease;
}
.btn-nav-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

/* HERO SECTION */
.hero-section {
    background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.25) 0%, transparent 50%),
                radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.15) 0%, transparent 40%),
                linear-gradient(180deg, #0b1120 0%, #0f172a 100%);
    color: #ffffff;
    position: relative;
    padding: 130px 0 100px;
    overflow: hidden;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: #38bdf8;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}
.hero-title {
    font-size: clamp(2.3rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
}
.hero-gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-lead {
    font-size: 1.2rem;
    color: #94a3b8;
    line-height: 1.7;
    max-width: 620px;
    margin-bottom: 35px;
}
.btn-hero-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #ffffff;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
    border: none;
    transition: all 0.3s ease;
}
.btn-hero-primary:hover {
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.55);
}
.btn-hero-outline {
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 50px;
    transition: all 0.3s ease;
}
.btn-hero-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #38bdf8;
    border-color: #38bdf8;
}

/* STATS BAR */
.stats-bar {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 30px 20px;
    margin-top: 60px;
}
.stat-item h3 {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 4px;
}
.stat-item p {
    color: #94a3b8;
    font-size: 0.9rem;
    margin: 0;
    font-weight: 500;
}

/* FEATURE CARDS */
.feature-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 36px 28px;
    transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
    height: 100%;
    position: relative;
}
.feature-card:hover {
    transform: translateY(-8px);
    border-color: #93c5fd;
    box-shadow: 0 20px 35px -10px rgba(37, 99, 235, 0.12);
}
.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 22px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(56, 189, 248, 0.15));
    color: var(--primary);
}
.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}
.feature-text {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* APP DOWNLOAD & SCANNER SECTION */
.app-download-section {
    background: linear-gradient(135deg, #0b1120 0%, #0f172a 50%, #1e293b 100%);
    color: #ffffff;
    padding: 110px 0;
    position: relative;
    overflow: hidden;
}
.app-download-section::before {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
    pointer-events: none;
}
.app-download-section::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

/* SCANNER CARD */
.scanner-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 28px;
    padding: 36px 32px;
    box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.6);
    text-align: center;
    position: relative;
}
.scanner-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 24px;
}
.status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
    0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* QR Frame */
.qr-frame {
    position: relative;
    width: 250px;
    height: 250px;
    margin: 0 auto 24px;
    background: #ffffff;
    border-radius: 20px;
    padding: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
}
.qr-frame img.qr-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}
.qr-center-logo {
    position: absolute;
    width: 48px;
    height: 48px;
    background: #ffffff;
    border-radius: 12px;
    padding: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary);
}
.qr-center-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

/* HUD Corners */
.hud-corner {
    position: absolute;
    width: 22px;
    height: 22px;
    border-color: #38bdf8;
    border-style: solid;
    pointer-events: none;
}
.corner-tl { top: -6px; left: -6px; border-width: 3px 0 0 3px; border-top-left-radius: 8px; }
.corner-tr { top: -6px; right: -6px; border-width: 3px 3px 0 0; border-top-right-radius: 8px; }
.corner-bl { bottom: -6px; left: -6px; border-width: 0 0 3px 3px; border-bottom-left-radius: 8px; }
.corner-br { bottom: -6px; right: -6px; border-width: 0 3px 3px 0; border-bottom-right-radius: 8px; }

/* Scanning Animated Laser */
.scan-laser-line {
    position: absolute;
    left: 6px;
    right: 6px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #38bdf8, #60a5fa, transparent);
    box-shadow: 0 0 12px 2px #38bdf8;
    border-radius: 2px;
    top: 10%;
    animation: scanLaser 2.6s ease-in-out infinite alternate;
    pointer-events: none;
}
@keyframes scanLaser {
    0% { top: 8%; opacity: 0.9; }
    50% { opacity: 1; }
    100% { top: 88%; opacity: 0.9; }
}

/* Scan Steps list */
.scan-steps {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.scan-step-item {
    text-align: center;
    font-size: 0.8rem;
    color: #94a3b8;
}
.scan-step-num {
    width: 24px;
    height: 24px;
    background: rgba(37, 99, 235, 0.25);
    color: #38bdf8;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 6px;
}

/* STORE DOWNLOAD BUTTONS */
.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #ffffff;
    padding: 10px 22px;
    border-radius: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}
.store-btn:hover {
    color: #ffffff;
    background: #1e293b;
    border-color: #38bdf8;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}
.store-btn i {
    font-size: 1.8rem;
}
.store-btn-text small {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #94a3b8;
}
.store-btn-text span {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.2;
}
.btn-apk-direct {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #34d399;
}
.btn-apk-direct:hover {
    background: rgba(16, 185, 129, 0.25);
    color: #ffffff;
    border-color: #10b981;
}

/* APP BENEFIT BULLETS */
.app-feature-list {
    list-style: none;
    padding: 0;
    margin: 28px 0 35px;
}
.app-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
    font-size: 1rem;
    color: #cbd5e1;
}
.app-feature-list li i {
    color: #34d399;
    font-size: 1.2rem;
    margin-top: 3px;
}

/* ABOUT SECTION */
.about-section {
    padding: 100px 0;
    background: #ffffff;
}
.about-img-frame {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.15);
}
.about-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    color: white;
    padding: 14px 22px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* TESTIMONIALS */
.testimonials-section {
    padding: 100px 0;
    background: #f8fafc;
}
.testimonial-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 32px 28px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.rating-stars {
    color: #f59e0b;
    font-size: 0.9rem;
    margin-bottom: 16px;
}
.quote-text {
    font-style: italic;
    color: #475569;
    line-height: 1.65;
    font-size: 1rem;
    margin-bottom: 24px;
}
.author-box {
    display: flex;
    align-items: center;
    gap: 14px;
}
.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #e2e8f0;
}
.author-info h6 {
    margin: 0;
    font-weight: 700;
    color: var(--text-dark);
    font-size: 0.95rem;
}
.author-info small {
    color: var(--text-muted);
    font-size: 0.82rem;
}

/* CTA SECTION */
.cta-banner {
    background: radial-gradient(circle at 10% 50%, rgba(56, 189, 248, 0.25) 0%, transparent 40%),
                linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #0284c7 100%);
    border-radius: 30px;
    padding: 70px 40px;
    color: #ffffff;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.35);
}

/* FOOTER */
footer {
    background: #090e1a;
    color: #94a3b8;
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
footer h5 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 22px;
}
footer ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.25s ease;
    font-size: 0.95rem;
}
footer ul li a:hover {
    color: #38bdf8;
    padding-left: 4px;
}
.social-link {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.3s ease;
}
.social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

html {
    scroll-behavior: smooth;
}