style.css

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
:root {
    --primary: #10b981;
    --primary-light: #34d399;
    --primary-dark: #059669;
    --surface: #ffffff;
    --surface-1: #F8FAFC;
    --surface-2: #F1F5F9;
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --border: #E2E8F0;
    --accent: #EC4899;
    --accent-light: #F472B6;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
}

.dark {
    --surface: #1E293B;
    --surface-1: #0F172A;
    --surface-2: #1E293B;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --border: #334155;
    --accent: #F472B6;
    --accent-light: #F9A8D4;
}
body {
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    color: var(--text-primary);
    background: var(--surface-1);
}
/* Modern scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--primary), var(--accent));
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: padding-box;
    box-shadow: inset 0 0 6px rgba(255,255,255,0.3);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}
/* Modern transitions */
* {
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
/* Card styles with hover effects */
.card {
    background: var(--surface);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 4px 6px rgba(0, 0, 0, 0.05),
        0 20px 25px -5px rgba(139, 92, 246, 0.1);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
    transform-style: preserve-3d;
    perspective: 1000px;
    will-change: transform;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.6) 0%,
        rgba(255, 255, 255, 0.3) 100%
    );
}
.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at var(--mouse-x, 0) var(--mouse-y, 0),
        rgba(99, 102, 241, 0.1) 0%,
        transparent 50%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}
.card-hover:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 
        0 25px 50px -12px rgba(139, 92, 246, 0.4),
        0 15px 15px -5px rgba(139, 92, 246, 0.15);
    border-color: var(--primary);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 10;
    filter: drop-shadow(0 20px 13px rgba(0, 0, 0, 0.03));
}
.card-hover:hover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.05) 100%);
    z-index: 0;
}
/* Buttons & interactive elements */
button, a, .menu-item {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: 16px;
    padding: 1rem 2rem;
    border: none;
    font-weight: 600;
    box-shadow: 
        0 6px 12px rgba(139, 92, 246, 0.3),
        0 15px 20px -5px rgba(139, 92, 246, 0.25);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    z-index: 1;
    will-change: transform;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.875rem;
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 
        0 25px 50px -12px rgba(139, 92, 246, 0.5),
        0 15px 15px -5px rgba(139, 92, 246, 0.3);
    animation: pulse 1.5s infinite;
}
.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(1px) scale(0.98);
}

.btn-primary.wave:hover {
    animation: wave 0.8s ease;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px rgba(79, 70, 229, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 50%);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Focus states */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.3);
}
/* Modern glass effect with gradient */
.glass {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.5) 100%);
    backdrop-filter: blur(20px) saturate(200%);
    -webkit-backdrop-filter: blur(20px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    box-shadow: 
        0 8px 32px 0 rgba(31, 38, 135, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}
/* Modern animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes float {
    0%, 100% { 
        transform: translateY(0) rotate(-1deg); 
    }
    50% { 
        transform: translateY(-12px) rotate(1deg) scale(1.02);
        filter: drop-shadow(0 15px 5px rgba(0,0,0,0.1));
    }
}

@keyframes pulse-glow {
    0%, 100% { 
        box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.7);
    }
    50% { 
        box-shadow: 0 0 0 15px rgba(139, 92, 246, 0);
    }
}

@keyframes wave {
    0% { transform: rotate(0deg); }
    10% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    30% { transform: rotate(14deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
    60% { transform: rotate(0deg); }
    100% { transform: rotate(0deg); }
}
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-8px) rotate(1deg); }
}

.fade-in {
    animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.float {
    animation: float 4s ease-in-out infinite, pulse 2s ease-in-out infinite;
}

.hover-grow {
    transition: transform 0.3s ease;
}

.hover-grow:hover {
    transform: scale(1.05);
}
.gradient-text {
    background: linear-gradient(90deg, #10b981, #34d399, #059669);
-webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}
.gradient-bg {
    background: linear-gradient(135deg, #10b981, #34d399, #059669);
background-size: 200% 200%;
    animation: gradientBG 8s ease infinite;
}
/* Staggered animations */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

[data-animate="bounce"] {
    animation: fadeIn 0.6s cubic-bezier(0.68, -0.6, 0.32, 1.6) forwards;
}

[data-animate="slide"] {
    animation: fadeIn 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards, 
               slideIn 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes slideIn {
    from { transform: translateY(20px); }
    to { transform: translateY(0); }
}
[data-animate-delay="100"] { animation-delay: 0.1s; }
[data-animate-delay="200"] { animation-delay: 0.2s; }
[data-animate-delay="300"] { animation-delay: 0.3s; }
/* Filter styles */
select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1em;
}

/* Modern shadows */
.shadow-sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.shadow-md {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.shadow-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}