:root {
    --za-green: #00A99D;
    --za-green-light: #E0F7F5;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --bg-body: #FBFBFD;
    --surface: #FFFFFF;
    --glass: rgba(255, 255, 255, 0.7);
    --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 12px 40px rgba(0, 169, 157, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.4;
    overflow-x: hidden;
    padding-bottom: 100px;
    max-width: 500px; /* Mobile focused */
    margin: 0 auto;
}

/* Desktop Preview Frame */
@media (min-width: 501px) {
    body {
        min-height: 100vh;
        box-shadow: 0 0 50px rgba(0,0,0,0.05);
        border-left: 1px solid rgba(0,0,0,0.05);
        border-right: 1px solid rgba(0,0,0,0.05);
        background: #fff;
    }
    html {
        background: #F2F2F2;
        display: flex;
        justify-content: center;
    }
}

/* --- Header --- */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 54px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    max-width: 500px;
    margin: 0 auto;
}

.nav-logo {
    height: 24px;
    opacity: 0.9;
}

/* --- Hero Section --- */
.hero {
    padding: 90px 24px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Ambient Background Blobs */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    z-index: -1;
    opacity: 0.6;
}
.blob-1 {
    width: 200px;
    height: 200px;
    background: #D4F5F3;
    top: -50px;
    left: -50px;
    animation: float 8s ease-in-out infinite;
}
.blob-2 {
    width: 250px;
    height: 250px;
    background: #E8F4FF;
    bottom: 50px;
    right: -80px;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, 30px); }
}

.hero h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    background: linear-gradient(180deg, #1D1D1F 0%, #424245 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 400;
}

/* --- The Virtual Card Visual --- */
.visual-card-container {
    perspective: 1000px;
    margin-bottom: 50px;
}

.virtual-card {
    background: linear-gradient(135deg, #00A99D 0%, #008C82 100%);
    width: 100%;
    height: 200px;
    border-radius: 24px;
    position: relative;
    padding: 24px;
    text-align: left;
    color: white;
    box-shadow: 0 20px 50px -10px rgba(0, 169, 157, 0.4);
    transform: rotateX(5deg) rotateY(0deg);
    transition: transform 0.5s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.virtual-card:hover {
    transform: rotateX(0) rotateY(0) scale(1.02);
}

/* Card Shine Effect */
.virtual-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(120deg, rgba(255,255,255,0) 30%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0) 70%);
    border-radius: 24px;
    pointer-events: none;
}

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

.vc-chip {
    width: 36px;
    height: 26px;
    background: rgba(255,255,255,0.2);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}
.vc-chip::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: rgba(0,0,0,0.1);
}
.vc-chip::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 1px;
    height: 100%;
    background: rgba(0,0,0,0.1);
}

.vc-logo {
    font-weight: 700;
    font-size: 14px;
    opacity: 0.9;
    letter-spacing: 1px;
}

.vc-amount-label {
    font-size: 12px;
    opacity: 0.8;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.vc-amount {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -1px;
    font-family: "SF Pro Display", sans-serif;
    text-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.vc-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.vc-number {
    font-size: 14px;
    opacity: 0.7;
    font-family: monospace;
    letter-spacing: 2px;
}

/* --- Key Stats --- */
.stats-container {
    display: flex;
    justify-content: space-between;
    padding: 0 10px;
    margin-bottom: 40px;
}

.stat-box {
    text-align: center;
    flex: 1;
    position: relative;
}

.stat-box:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 10%;
    height: 80%;
    width: 1px;
    background: rgba(0,0,0,0.05);
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--za-green);
    display: block;
    margin-bottom: 4px;
}

.stat-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

/* --- Features List --- */
.features {
    padding: 0 24px;
}

.section-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    display: block;
}

.feature-row {
    background: var(--surface);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-soft);
    transition: transform 0.2s;
}

.feature-row:active {
    transform: scale(0.98);
}

.f-icon-circle {
    width: 48px;
    height: 48px;
    background: var(--za-green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    flex-shrink: 0;
    color: var(--za-green);
}

.f-icon-circle svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.f-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.f-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* --- App Store Style Download --- */
.download-section {
    margin: 40px 24px 20px;
    background: #1D1D1F;
    border-radius: 24px;
    padding: 30px;
    text-align: center;
    color: white;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

.download-section h2 {
    font-size: 22px;
    margin-bottom: 10px;
}

.download-section p {
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 24px;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: white;
    color: #1D1D1F;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    width: 100%;
    margin-bottom: 10px;
}

.store-btn svg {
    margin-right: 8px;
    width: 18px;
    height: 18px;
}

/* --- Footer --- */
.legal-footer {
    text-align: center;
    padding: 20px 24px;
    font-size: 10px;
    color: #999;
    line-height: 1.6;
}

/* --- Floating Sticky Button --- */
.sticky-float {
    position: fixed;
    bottom: 24px;
    left: 24px;
    right: 24px;
    z-index: 900;
    max-width: 452px;
    margin: 0 auto;
}

.float-btn {
    background: var(--za-green);
    color: white;
    width: 100%;
    height: 56px;
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0, 169, 157, 0.4);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
}