:root {
    --primary-blue: #1e5cfb;
    --dark-bg: #0d1117;
    --card-bg: #161b22;
    --header-blue: #134ed6;
    --text-white: #ffffff;
    --text-muted: #8b949e;
    --radius: 12px;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--dark-bg);
    color: var(--text-white);
    font-family: var(--font-main);
    min-height: 100vh;
    overflow-x: hidden;
}

.iphone-frame {
    width: 100vw;
    min-height: 100vh;
    background: #02060c;
    border: none;
    border-radius: 0;
    position: relative;
    display: flex;
    flex-direction: column;
}

.header {
    background-color: var(--header-blue);
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-box {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 800;
    color: var(--header-blue);
    font-size: 28px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.brand-name {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.install-btn {
    background: #f0f4ff;
    color: var(--primary-blue);
    border: none;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 14px;
    background: white;
    padding: 2px;
}

.content {
    flex: 1;
    padding: 20px 20px 100px;
    /* Space for fixed footer */
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: linear-gradient(180deg, #0d1117 0%, #05070a 100%);
}

.screen-card {
    background-color: #161b22;
    border-radius: 24px;
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #30363d;
    color: #484f58;
    font-size: 16px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    padding: 0;
    /* Remove padding for full image */
}

.ad-link {
    width: 100%;
    height: 100%;
    display: block;
}

.ad-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.footer {
    display: flex;
    background-color: #0d1117;
    padding: 0;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.main-action {
    width: 100%;
    background: linear-gradient(180deg, #2369ff 0%, #1e5cfb 100%);
    color: white;
    border: none;
    padding: 22px;
    border-radius: 0;
    font-weight: 700;
    font-size: 20px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: all 0.2s;
    display: block;
}

.main-action:hover {
    background: linear-gradient(180deg, #1e5cfb 0%, #2369ff 100%);
}