:root {
    --primary: #6750A4;
    --on-primary: #FFFFFF;
    --primary-container: #EADDFF;
    --on-primary-container: #21005D;
    --secondary: #625B71;
    --surface: #FEF7FF;
    --on-surface: #1C1B1F;
    --surface-variant: #E7E0EB;
    --outline: #79747E;
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
}

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

body {
    font-family: 'Google Sans', 'Roboto', sans-serif;
    background: #fdfcff;
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

.text-gradient {
    background: linear-gradient(135deg, #6750A4, #B69DF8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
nav {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: var(--glass);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
}

.logo-icon {
    font-size: 32px;
    color: var(--primary);
}

/* Hero */
.hero {
    padding: 100px 0 60px;
    text-align: center;
}

h1 {
    font-size: 64px;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -2px;
    line-height: 1.1;
}

.hero p {
    font-size: 20px;
    color: var(--secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Platforms Grid */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    padding: 40px 0 100px;
}

.platform-card {
    background: #fff;
    border-radius: 32px;
    padding: 40px;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--surface-variant);
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.platform-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 24px 48px rgba(103, 80, 164, 0.1);
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--primary);
    opacity: 0;
    transition: 0.3s;
}

.platform-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-container);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--on-primary-container);
}

.card-icon span {
    font-size: 32px;
}

.platform-card h3 {
    font-size: 28px;
    font-weight: 700;
}

.platform-card p {
    color: var(--secondary);
    font-size: 16px;
    flex: 1;
}

.btn-arrow {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--primary);
}

/* Footer */
footer {
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid var(--surface-variant);
    color: var(--secondary);
}

@media (max-width: 768px) {
    h1 { font-size: 40px; }
    .platform-grid { grid-template-columns: 1fr; }
}