/* Ultra-Premium Minimalist White Theme */
:root {
    --bg-light: #ffffff;
    --bg-subtle: #f8f9fa;
    --card-bg: rgba(255, 255, 255, 0.7);
    --border-color: rgba(0, 0, 0, 0.06);
    --text-primary: #111111;
    --text-secondary: #666666;
    --accent: #000000;
    --accent-glow: rgba(0, 0, 0, 0.1);
    --input-bg: #ffffff;
    --font-main: 'Space Grotesk', sans-serif;
    --ease-out-quint: cubic-bezier(0.23, 1, 0.32, 1);
    
    /* Particle Colors */
    --purple: #b08df0;
    --blue: #86c9f7;
    --pink: #f8b6d2;
    --gradient-primary: linear-gradient(135deg, var(--purple), var(--blue));
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-light);
    /* Subtle premium gradient background */
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(200, 200, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(255, 200, 200, 0.1) 0%, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

/* Glassmorphism Card Container */
.form-container {
    background: var(--card-bg);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 4rem;
    width: 100%;
    max-width: 700px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.03),
        0 1px 3px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    margin: 2rem;
    /* removed opacity: 0 to ensure visibility if animation fails */
    animation: fadeInUp 1s cubic-bezier(0.23, 1, 0.32, 1) backwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Header */
.header-content {
    text-align: center;
    margin-bottom: 3.5rem;
    animation: fadeInUp 1s cubic-bezier(0.23, 1, 0.32, 1) 0.1s backwards;
}

.main-title {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    animation: fadeInUp 1s cubic-bezier(0.23, 1, 0.32, 1) 0.3s backwards;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    position: relative;
}

.full-width {
    grid-column: 1 / -1;
}

label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-left: 4px;
}

/* Minimalist Inputs */
input, select, textarea {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.2rem;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    width: 100%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 
        0 10px 20px rgba(0,0,0,0.05),
        0 0 0 1px var(--accent);
}

input::placeholder, textarea::placeholder {
    color: #ccc;
    opacity: 1;
}

/* Custom Select styling */
select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23333' 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 1.2rem center;
    background-size: 12px;
}

/* Submit Button */
.form-footer {
    margin-top: 3.5rem;
    text-align: center;
    animation: fadeInUp 1s cubic-bezier(0.23, 1, 0.32, 1) 0.5s backwards;
}

.submit-btn {
    background: var(--text-primary);
    color: #ffffff;
    border: none;
    padding: 1.2rem 3.5rem;
    border-radius: 50px;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.submit-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.6s var(--ease-out-quint);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.submit-btn:hover::after {
    transform: translateX(0);
}

.submit-btn:active {
    transform: translateY(1px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

/* Messages */
.message-container {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    z-index: 1000;
    transition: transform 0.6s var(--ease-out-quint);
}

.message-container.show {
    transform: translateX(-50%) translateY(0);
}

.message {
    padding: 1rem 2rem;
    border-radius: 50px;
    background: #ffffff;
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    color: var(--text-primary);
    font-size: 0.9rem;
    display: none;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.message.show {
    display: flex;
}

/* Floating Particles Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1; /* Behind everything */
}

.particle {
    position: absolute;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.3;
    filter: blur(1px);
    animation: particleFloat var(--duration) ease-in-out infinite;
    animation-delay: var(--delay);
    top: var(--top);
    left: var(--left);
    width: var(--size);
    height: var(--size);
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
    50% { transform: translate(var(--moveX), var(--moveY)) scale(1.3); opacity: 0.6; }
}

/* Responsive */
@media (max-width: 768px) {
    .form-container {
        padding: 2.5rem;
        margin: 1rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .main-title {
        font-size: 1.5rem;
    }
}