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

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

.gradient-bg {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f172a 100%);
}

/* Utility classes */
.purple-glow {
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

.mockup-glow {
    filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.4));
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f172a 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loading-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

/* Lock Animation */
.lock-animation {
    width: 80px;
    height: 80px;
    position: relative;
}

.lock-body {
    width: 50px;
    height: 35px;
    background: linear-gradient(135deg, #8b5cf6, #a855f7);
    border-radius: 8px;
    position: absolute;
    bottom: 0;
    left: 15px;
    animation: glow 2s ease-in-out infinite alternate;
}

.lock-shackle {
    width: 30px;
    height: 30px;
    border: 4px solid #8b5cf6;
    border-bottom: none;
    border-radius: 15px 15px 0 0;
    position: absolute;
    top: 5px;
    left: 25px;
    animation: unlock 2s ease-in-out infinite;
}

/* Navigation */
.nav-link {
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #8b5cf6, transparent);
    transition: left 0.5s;
}

.nav-link:hover::after {
    left: 100%;
}

/* Cards */
.feature-card {
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.2);
}

.download-card {
    transition: all 0.3s ease;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.download-card:hover {
    transform: scale(1.05);
    border-color: #8b5cf6;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

/* Keyframes */
@keyframes glow {
    0% { box-shadow: 0 0 10px rgba(139, 92, 246, 0.5); }
    100% { box-shadow: 0 0 20px rgba(139, 92, 246, 0.8); }
}

@keyframes unlock {
    0%, 50% { transform: rotate(0deg); }
    75%, 100% { transform: rotate(-10deg) translateX(2px); }
}