:root {
    --pink: #e91e8c;
    --pink-dark: #c2185b;
    --pink-light: #f48fb1;
    --pink-bg: #fff5f9;
    --pink-card: #ffffff;
    --text: #4a2c3a;
    --text-light: #888;
    --border: #fce4ec;
    --shadow: 0 4px 20px rgba(233, 30, 140, 0.08);
    --radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--pink-bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

a { color: var(--pink); text-decoration: none; }
a:hover { color: var(--pink-dark); }

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: white;
    padding: 16px 0;
    border-bottom: 2px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
header .logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--pink);
}
header nav a {
    margin-left: 24px;
    font-weight: 500;
    font-size: 15px;
}
header nav a:hover { color: var(--pink-dark); }

/* Hero section */
.hero {
    text-align: center;
    padding: 80px 20px 60px;
}
.hero h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--pink);
    margin-bottom: 16px;
}
.hero p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 500px;
    margin: 0 auto 32px;
}
.hero .btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--pink), var(--pink-dark));
    color: white;
    padding: 14px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.hero .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(233, 30, 140, 0.3);
}

/* Cards */
.card {
    background: var(--pink-card);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-bottom: 20px;
}

/* Forms */
input, select, textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--pink);
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--pink), var(--pink-dark));
    color: white;
    padding: 12px 32px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(233, 30, 140, 0.25);
}
.btn-outline {
    background: transparent;
    border: 2px solid var(--pink);
    color: var(--pink);
}
.btn-outline:hover {
    background: var(--pink);
    color: white;
}

/* Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.feature-card {
    background: white;
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(233, 30, 140, 0.12);
}
.feature-card .icon {
    font-size: 40px;
    margin-bottom: 12px;
}
.feature-card h3 {
    margin-bottom: 8px;
    color: var(--text);
}
.feature-card p {
    color: var(--text-light);
    font-size: 14px;
}

/* Download tool */
.download-tool {
    max-width: 600px;
    margin: 0 auto;
}
.download-tool .platform-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.download-tool .platform-tab {
    padding: 8px 20px;
    border-radius: 50px;
    border: 2px solid var(--border);
    background: white;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    font-size: 14px;
}
.download-tool .platform-tab.active {
    background: var(--pink);
    color: white;
    border-color: var(--pink);
}
.download-tool .platform-tab:hover:not(.active) {
    border-color: var(--pink);
}

.download-tool .format-select {
    display: flex;
    gap: 12px;
    margin: 16px 0;
}
.download-tool .format-option {
    padding: 10px 20px;
    border-radius: 8px;
    border: 2px solid var(--border);
    background: white;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}
.download-tool .format-option.active {
    background: var(--pink);
    color: white;
    border-color: var(--pink);
}

/* Status messages */
.success { color: #2e7d32; background: #e8f5e9; padding: 12px; border-radius: 8px; margin: 12px 0; }
.error { color: #c62828; background: #ffebee; padding: 12px; border-radius: 8px; margin: 12px 0; }
.info { color: #1565c0; background: #e3f2fd; padding: 12px; border-radius: 8px; margin: 12px 0; }

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 600px) {
    .hero h1 { font-size: 32px; }
    header .container { flex-direction: column; gap: 12px; }
    header nav a { margin: 0 12px; }
}