@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

/* Professional Particle Background */
#particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1e40af 100%);
}

/* Professional Hero Background */
.hero-bg {
    background: linear-gradient(135deg,
            rgba(30, 64, 175, 0.95) 0%,
            rgba(59, 130, 246, 0.9) 50%,
            rgba(234, 88, 12, 0.85) 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

/* Professional Text Effects */
.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #60a5fa 50%, #fb923c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.professional-glow {
    text-shadow: 0 0 20px rgba(96, 165, 250, 0.3);
}

/* Glass Morphism - Professional */
.glass-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.2);
}

/* Professional Button Effects */
.professional-btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
}

.professional-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: left 0.6s;
}

.professional-btn:hover::before {
    left: 100%;
}

.professional-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(234, 88, 12, 0.3);
}

/* Smooth Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Professional Floating Animation */
.float {
    animation: professionalFloat 6s ease-in-out infinite;
}

@keyframes professionalFloat {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Professional Countdown */
.countdown-digit {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 12px;
    min-width: 4rem;
    text-align: center;
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.3);
    border: 1px solid rgba(96, 165, 250, 0.2);
}

/* Professional Progress Bar */
.progress-bar {
    background: linear-gradient(90deg, #1e40af 0%, #ea580c 100%);
    transition: width 2s ease-in-out;
}

/* Responsive Typography */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .countdown-digit {
        min-width: 3rem;
        padding: 1rem;
    }
}

/* Professional Navigation */
.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #ea580c, #f97316);
    transition: width 0.3s ease;
}

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

/* Professional Card Hover */
.feature-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
}

/* Professional Form Styling */
.professional-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.professional-input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

/* Loading Animation */
.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {

    0%,
    20% {
        content: '';
    }

    40% {
        content: '.';
    }

    60% {
        content: '..';
    }

    80%,
    100% {
        content: '...';
    }
}