:root {
    --primary-color: #ec407a; /* Pink */
    --primary-dark: #d81b60;
    --text-color: #333333;
    --text-light: #888888;
    --bg-color: #ffffff;
    --header-height: 56px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--text-color);
    overflow-x: hidden;
    height: 100vh;
    width: 100vw;
}

.container {
    position: relative;
    max-width: 480px; /* Mobile width cap */
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #fff;
    overflow: hidden; /* For blurred circles */
    background: url('./images/bg.png') no-repeat;
    background-size: cover;
}

/* Background Decorations */
.bg-decoration {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    z-index: 0;
    opacity: 0.6;
}

.circle-1 {
    width: 300px;
    height: 300px;
    background: #ffeef4;
    top: -50px;
    left: -100px;
}

.circle-2 {
    width: 150px;
    height: 150px;
    background: #fff0f6;
    top: 100px;
    right: -50px;
}

.circle-3 {
    width: 200px;
    height: 200px;
    background: #fff0f6;
    bottom: 20%;
    right: -80px;
}

/* Header */
.header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    position: relative;
    z-index: 10;
}

.header-title {
    font-size: 17px;
    font-weight: 500;
    color: #000;
}

.icon-btn {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    position: relative;
    z-index: 10;
    margin-top: -60px; /* Adjust visual center */
}

.logo-container {
    margin-bottom: 24px;
    position: relative;
}

/* CSS Logo Construction */
.logo {
    width: 120px;
    height: 120px;
    background: url('./images/logo.png') no-repeat;
    background-size: cover;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
}

.logo-text-top {
    font-size: 24px;
    font-weight: bold;
    line-height: 1;
    margin-top: 5px;
}

.logo-text-small {
    font-size: 6px;
    transform: scale(0.8);
    margin: 2px 0;
    opacity: 0.9;
}

.logo-text-bottom {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 5px;
}

.app-name {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #000;
}

.subtitle {
    font-size: 14px;
    color: #888;
    margin-bottom: 40px;
    position: relative;
    display: flex;
    align-items: center;
}

.subtitle::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    background: #f8bbd0;
    border-radius: 50%;
    margin-left: 8px;
    filter: blur(2px);
}

.download-btn {
    width: 100%;
    max-width: 280px;
    height: 48px;
    background: #ec407a;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
    box-shadow: 0 4px 12px rgba(236, 64, 122, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
}

.download-btn:active {
    background: #d81b60;
    transform: scale(0.98);
}