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

:root {
    --primary: #5E3B2E;
    --secondary: #D4A373;
    --accent: #A68A64;
    --light: #F8F1E5;
    --dark: #2A2118;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
}
.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('http://static.photos/education/1200x630/42');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="rgba(255,255,255,0.05)" d="M30,10L50,30L70,10L90,30L70,50L90,70L70,90L50,70L30,90L10,70L30,50L10,30L30,10Z"/></svg>');
    background-size: 100px;
    animation: float 15s linear infinite;
}

@keyframes float {
    0% { background-position: 0 0; }
    100% { background-position: 100px 100px; }
}
.course-card {
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: var(--shadow);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.course-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.03) 100%);
    z-index: -1;
}
.filter-btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.filter-btn.active {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--shadow);
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.filter-btn:hover::before {
    left: 100%;
}
/* Floating Icons */
.floating-icons {
    position: fixed;
    right: 30px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.floating-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.floating-icon:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.floating-icon i {
    font-size: 1.2rem;
}

/* Animations */
@keyframes fadeInUp {
    from { 
        opacity: 0; 
        transform: translateY(30px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.course-card {
    animation: fadeInUp 0.6s cubic-bezier(0.39, 0.575, 0.565, 1) forwards;
    opacity: 0;
}

.course-card:hover {
    animation: pulse 2s infinite;
}

/* Staggered animation delay */
.course-card:nth-child(1) { animation-delay: 0.1s; }
.course-card:nth-child(2) { animation-delay: 0.2s; }
.course-card:nth-child(3) { animation-delay: 0.3s; }
.course-card:nth-child(4) { animation-delay: 0.4s; }
.course-card:nth-child(5) { animation-delay: 0.5s; }
.course-card:nth-child(6) { animation-delay: 0.6s; }