:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --accent: #10b981;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-color: #f8fafc;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow-x: hidden;
    position: relative;
    padding: 0.5rem 1rem 1.5rem;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: url('vmdfondo.jpg') center/cover no-repeat;
    filter: blur(8px);
    transform: scale(1.1); /* Prevents white edges from blur */
}

.blob {
    position: absolute;
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 20s infinite alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: #bfdbfe;
    animation-delay: 0s;
}

.blob-2 {
    bottom: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: #dcfce7;
    animation-delay: -5s;
}

.blob-3 {
    top: 40%;
    left: 60%;
    width: 400px;
    height: 400px;
    background: #ddd6fe;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

/* Form Container */
.form-container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 1rem 2rem 1.5rem;
    width: 100%;
    max-width: 550px;
    box-shadow: var(--glass-shadow);
    transform: translateY(20px);
    opacity: 0;
    animation: slideUp 0.8s ease forwards;
}

@keyframes slideUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header-top {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0.2rem;
}

.language-switcher select {
    appearance: none;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-main);
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.language-switcher select:hover, .language-switcher select:focus {
    background: #fff;
    border-color: var(--primary-light);
    outline: none;
}

.logo-container {
    text-align: center;
    margin-top: -0.5rem;
    margin-bottom: 0.6rem;
    perspective: 1000px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
}

.logo {
    max-width: 250px;
    height: auto;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.1));
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.5s ease;
    animation: floating3D 8s ease-in-out infinite;
    transform-style: preserve-3d;
}

@keyframes floating3D {
    0% { transform: rotateY(0deg) rotateX(0deg) translateY(0px); filter: drop-shadow(0 10px 15px rgba(0,0,0,0.1)); }
    25% { transform: rotateY(15deg) rotateX(10deg) translateY(-8px); filter: drop-shadow(-15px 20px 20px rgba(37, 99, 235, 0.15)); }
    50% { transform: rotateY(0deg) rotateX(0deg) translateY(-15px); filter: drop-shadow(0 25px 30px rgba(37, 99, 235, 0.25)); }
    75% { transform: rotateY(-15deg) rotateX(-10deg) translateY(-8px); filter: drop-shadow(15px 20px 20px rgba(37, 99, 235, 0.15)); }
    100% { transform: rotateY(0deg) rotateX(0deg) translateY(0px); filter: drop-shadow(0 10px 15px rgba(0,0,0,0.1)); }
}

.slogan {
    max-width: 200px;
    height: auto;
    opacity: 0.9;
    margin-top: -0.5rem;
}

.logo:hover {
    animation-play-state: paused;
    transform: rotateY(0deg) rotateX(0deg) scale(1.1) translateZ(40px);
    filter: drop-shadow(0 30px 40px rgba(37, 99, 235, 0.35));
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.5;
}

.form-header p a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.form-header p a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Input groups (general) */
.input-group {
    position: relative;
    width: 100%;
    margin-bottom: 1.25rem; /* increased space between stacked groups */
}


/* Flex rows – groups share space equally */
.input-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.25rem; /* increased space between rows */
}

.input-row .input-group {
    flex: 1;
    width: auto; /* override 100% width from .input-group */
    margin: 0;
}

/* Inputs and selects share styling */
.input-group input,
.input-group select {
    width: 100%;
    padding: 1.25rem 1rem 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid transparent;
    border-radius: 12px;
    outline: none;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.input-group select {
    appearance: none;
    cursor: pointer;
}

.input-group input:focus,
.input-group select:focus {
    background: #fff;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}


.input-group label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
    transition: all 0.3s ease;
    pointer-events: none;
}

.input-group input:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label,
.input-group select:focus ~ label,
.input-group select:valid ~ label,
.input-group select.filled ~ label {
    top: 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    transform: translateY(0);
}

/* File Upload */
.file-upload-group {
    margin-top: 0.5rem;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    cursor: pointer;
}

.file-upload-title {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.file-upload-box {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
    text-align: center;
}

.file-upload-box:hover, .file-upload-group input:focus + .file-upload-label .file-upload-box {
    border-color: var(--primary-light);
    background: rgba(59, 130, 246, 0.05);
}

.file-upload-box svg {
    color: var(--primary-light);
    transition: transform 0.3s ease;
}

.form-note,
.file-note {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.field-error {
    font-size: 0.9rem;
    color: #dc2626;
    margin-top: 0.5rem;
}

.file-upload-box:hover svg {
    transform: translateY(-2px);
}

#fileNameDisplay {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.file-upload-group input[type="file"] {
    display: none;
}

/* Button Container */
.submit-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

/* Button */
.submit-btn {
    margin-top: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border: none;
    border-radius: 12px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
}

.submit-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 0.5s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

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

.submit-btn:active {
    transform: translateY(1px);
}

.submit-btn svg {
    transition: transform 0.3s ease;
}

.submit-btn:hover svg {
    transform: translateX(4px);
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 2rem 0;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.success-icon {
    color: #10b981;
    margin-bottom: 1.5rem;
    animation: bounceIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes bounceIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.success-message h2 {
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.success-message p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.send-another-btn {
    background: linear-gradient(135deg, var(--text-main), var(--text-muted));
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    margin: 0 auto;
    width: auto;
}

/* Footer */
.site-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 640px) {
    .form-container {
        padding: 2rem 1.5rem;
        border-radius: 20px;
        margin-bottom: 3rem;
    }
    
    .input-row {
        flex-direction: column;
        gap: 1.5rem;
    }
}