@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

* { font-family: 'Inter', sans-serif; }

:root {
    --primary: #14B8A6;
    --primary-dark: #0D9488;
    --secondary: #FF6B6B;
    --accent: #FFB800;
    --dark: #1E293B;
    --dark-light: #334155;
    --light-bg: #F8FAFC;
    --card-bg: #FFFFFF;
}

.gradient-bg {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0D9488 100%);
}

.gradient-text {
    background: linear-gradient(135deg, #14B8A6 0%, #0D9488 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-hover {
    transition: all 0.3s ease;
    background: var(--card-bg);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(20, 184, 166, 0.15);
}

.video-thumbnail {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.3);
}

.play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
    background: white;
    box-shadow: 0 12px 32px rgba(20, 184, 166, 0.4);
}

.lesson-item { transition: all 0.2s ease; }
.lesson-item:hover { background: #F0FDFA; }

.stats-card {
    background: linear-gradient(135deg, #14B8A6 0%, #0D9488 100%);
    color: white;
}

.btn-primary {
    background: linear-gradient(135deg, #14B8A6 0%, #0D9488 100%);
    transition: all 0.3s ease;
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(20, 184, 166, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #FF6B6B 0%, #FFB800 100%);
    transition: all 0.3s ease;
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.4);
}

.text-primary  { color: #14B8A6; }
.text-secondary { color: #FF6B6B; }
.bg-primary-light { background-color: #F0FDFA; }
.border-primary { border-color: #14B8A6; }

.icon-circle {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #F0FDFA 0%, #CCFBF1 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    border-color: #14B8A6;
    box-shadow: 0 12px 32px rgba(20, 184, 166, 0.15);
    transform: translateY(-4px);
}

.rating-star { color: #FFB800; }