:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #0f172a;
    --bg-light: #f8fafc;
    --bg-dark: #1e293b;
    --text-main: #334155;
    --text-muted: #64748b;
    --text-white: #ffffff;
    --accent: #f59e0b;
    --green: #10b981;
    --danger: #ef4444;
    --border: #e2e8f0;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 10px 40px -10px rgba(14, 165, 233, 0.5);
    --radius-md: 12px;
    --radius-lg: 24px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Typography Utilities */
.text-primary {
    color: var(--primary);
}

.text-green {
    color: var(--green);
}

.text-accent {
    color: var(--accent);
}

.text-white {
    color: var(--text-white);
}

.text-gray {
    color: #94a3b8;
}

.text-center {
    text-align: center;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.bg-light {
    background-color: #f1f5f9;
}

.bg-dark {
    background-color: var(--bg-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(2, 132, 199, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background-color: rgba(14, 165, 233, 0.05);
}

.btn-block {
    width: 100%;
}

.shadow-glow {
    box-shadow: var(--shadow-glow);
}

/* Glassmorphism */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.glass-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: padding 0.3s ease;
    padding: 20px 0;
}

.navbar.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.95);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo .badge {
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 12px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-main);
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--secondary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 180px 0 100px;
    overflow: hidden;
    background: linear-gradient(to bottom, #f8fafc, #e0f2fe);
}

.hero-bg {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 0;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 64px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
}

.tagline {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.15;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 24px;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.tech-stack-mini {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.tech-icons {
    display: flex;
    gap: 12px;
    font-size: 1.5rem;
    color: var(--secondary);
}

.hero-image {
    flex: 1;
    position: relative;
}

.mockup-img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.mockup-img:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--glass-border);
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
}

.floating-card h4 {
    font-size: 1.25rem;
    color: var(--secondary);
    font-weight: 700;
}

.floating-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.user-stat {
    top: -20px;
    left: -40px;
}

.transaction-stat {
    bottom: 20px;
    right: -20px;
    animation-delay: 3s;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

/* Section Common */
.section-header {
    margin-bottom: 64px;
}

.section-header .title {
    font-size: 2.75rem;
    color: var(--secondary);
    margin-bottom: 16px;
    font-weight: 800;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-muted);
}

/* Feature Grid */
.grid {
    display: grid;
    gap: 32px;
}

.feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.icon-box {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.75rem;
    margin-bottom: 24px;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1rem;
    color: var(--text-main);
}

.check-list i {
    margin-top: 4px;
}

.no-margin {
    margin: 0;
}

.text-sm li {
    font-size: 0.95rem;
}

/* Deposit Section */
.deposit-container {
    display: flex;
    align-items: center;
    gap: 80px;
}

.deposit-content {
    flex: 1.2;
}

.deposit-content .title {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 24px;
    font-weight: 800;
}

.deposit-content>p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.deposit-features {
    display: grid;
    gap: 24px;
}

.d-feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.d-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: #e0f2fe;
    color: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.d-feature h4 {
    font-size: 1.25rem;
    color: var(--secondary);
    margin-bottom: 8px;
    font-weight: 600;
}

.d-feature p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.security-card {
    flex: 0.8;
    padding: 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.shield-icon {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.security-card h3 {
    font-size: 1.75rem;
    color: var(--secondary);
    margin-bottom: 24px;
    font-weight: 800;
}

/* APK Section */
.apk-grid {
    display: flex;
    align-items: center;
    gap: 80px;
}

.apk-image {
    flex: 0.8;
    position: relative;
    display: flex;
    justify-content: center;
}

.blob-bg {
    position: absolute;
    width: 80%;
    height: 80%;
    background: linear-gradient(45deg, var(--primary), #8b5cf6);
    border-radius: 50%;
    filter: blur(50px);
    opacity: 0.4;
    z-index: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.mobile-mockup {
    width: 100%;
    max-width: 320px;
    position: relative;
    z-index: 1;
    border-radius: 36px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 8px solid #2a3b5c;
}

.apk-content {
    flex: 1.2;
}

.apk-content .title {
    font-size: 2.75rem;
    margin: 12px 0 24px;
    font-weight: 800;
}

.apk-content>p {
    font-size: 1.125rem;
    margin-bottom: 40px;
    color: #cbd5e1;
}

.apk-feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.apk-item h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: #e2e8f0;
    font-weight: 600;
}

.apk-item p {
    color: #94a3b8;
    font-size: 0.95rem;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 950px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    border: 2px solid var(--primary);
    display: flex;
    flex-direction: column;
}

.silver-card {
    border-color: var(--accent);
}

.badge-silver {
    background: var(--accent);
    box-shadow: 0 10px 20px -5px rgba(245, 158, 11, 0.4);
}

.discount-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    background: var(--danger);
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: 0 10px 20px -5px rgba(239, 68, 68, 0.4);
    transform: rotate(5deg);
}

.pricing-header {
    text-align: center;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 2.25rem;
    color: var(--secondary);
    margin-bottom: 16px;
    font-weight: 800;
}

.price-normal {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.price-normal span {
    text-decoration: line-through;
}

.price-promo {
    color: var(--secondary);
    font-weight: 800;
    margin-bottom: 20px;
}

.price-promo .currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.price-promo .amount {
    font-size: 4rem;
    line-height: 1;
}

.billing {
    font-weight: 600;
    color: var(--primary);
    background: #e0f2fe;
    display: inline-block;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.95rem;
}

.pricing-features {
    padding: 0 24px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 1.1rem;
    color: var(--secondary);
    font-weight: 500;
}

.pricing-footer {
    margin-top: auto;
    padding-top: 40px;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: #cbd5e1;
    padding: 80px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 64px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-links h3,
.footer-contact h3 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 24px;
    font-weight: 600;
}

.footer-links ul li {
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-links ul li:hover {
    color: var(--primary);
}

.footer-contact p {
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.footer-wa {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.2rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s;
}

.footer-wa:hover {
    color: var(--primary-dark);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    font-size: 0.95rem;
    color: #94a3b8;
}

/* Animations that are controlled by script.js */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.visible {
    opacity: 1;
    transform: translate(0);
}

/* Responsive */
@media (max-width: 992px) {

    .hero-container,
    .deposit-container,
    .apk-grid {
        flex-direction: column;
        text-align: center;
        gap: 48px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-cta {
        justify-content: center;
        flex-direction: column;
    }

    .floating-card {
        display: none;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .deposit-features {
        text-align: left;
        max-width: 600px;
        margin: 0 auto;
    }

    .apk-feature-list {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        padding: 24px;
        gap: 24px;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
        color: var(--secondary);
    }

    .security-card {
        width: 100%;
        max-width: 500px;
        border-radius: var(--radius-md);
    }
}

@media (max-width: 576px) {
    .pricing-card {
        padding: 24px;
    }

    .price-promo .amount {
        font-size: 3rem;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .section-header .title {
        font-size: 2rem;
    }
}