:root {
    --color-bg: #050505;
    --color-bg-secondary: #0E0E0E;
    --color-text: #EAEAEA;
    --color-text-muted: #888888;
    --color-accent: #00A3FF;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-error: #ef4444;
    --color-success: #10b981;
    --font-display: 'Clash Display', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-ease: cubic-bezier(0.25, 1, 0.5, 1);
}

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

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.form-container {
    background: var(--color-bg-secondary);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 600px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--color-border);
}

/* Progress Bar */
.progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    background: var(--color-bg);
    position: relative;
    border-bottom: 1px solid var(--color-border);
}

.progress {
    position: absolute;
    top: 50%;
    left: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: 1px;
    transition: width 0.4s var(--transition-ease);
    width: 25%;
}

.step {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-family: var(--font-display);
    color: var(--color-text-muted);
    position: relative;
    z-index: 2;
    margin: 0 25px;
    transition: transform 0.4s var(--transition-ease), 
                border-color 0.4s var(--transition-ease),
                background 0.4s var(--transition-ease),
                color 0.4s var(--transition-ease),
                box-shadow 0.4s var(--transition-ease);
    font-size: 14px;
    cursor: pointer;
}

.step:hover {
    transform: scale(1.05);
    border-color: var(--color-accent);
}

.step.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 163, 255, 0.4);
}

.step.completed {
    background: var(--color-success);
    border-color: var(--color-success);
    color: white;
}

.step.completed:hover {
    background: #059669;
    transform: scale(1.15);
}

/* Form Steps */
.form-step {
    display: none;
    padding: 40px;
    min-height: 450px;
}

.form-step.active {
    display: block;
    animation: slideIn 0.3s ease;
}

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

.step-content {
    text-align: center;
    max-width: 420px;
    margin: 0 auto;
}

.icon {
    margin-bottom: 24px;
}

.icon svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

h2 {
    font-size: 28px;
    font-weight: 600;
    font-family: var(--font-display);
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

p {
    color: var(--color-text-muted);
    font-size: 15px;
    margin-bottom: 32px;
    line-height: 1.6;
}

/* Input Groups */
.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

@media (max-width: 600px) {
    .input-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

label {
    display: block;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 8px;
    font-size: 14px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
select,
textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/* Select dropdown specific styles */
select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23EAEAEA' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

select option {
    background: var(--color-bg);
    color: var(--color-text);
    padding: 12px;
}

select option[value=""] {
    color: var(--color-text-muted);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 163, 255, 0.1);
}

textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

/* Phone Input */
.phone-input {
    display: flex;
    gap: 8px;
}

.country-code {
    flex-shrink: 0;
    width: 90px;
    padding: 12px 8px;
}

/* Radio Buttons */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 32px 0;
}

.radio-option {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.radio-option input[type="radio"] {
    display: none;
}

.radio-button {
    padding: 14px 24px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg);
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
    font-weight: 500;
    width: 100%;
    text-align: center;
    color: var(--color-text);
}

.radio-option input[type="radio"]:checked + .radio-button {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-bg);
}

.radio-option:hover .radio-button {
    border-color: var(--color-accent);
}

/* Checkbox */
.checkbox-group {
    margin: 20px 0;
}

.checkbox-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    text-align: left;
}

.checkbox-option input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    margin-right: 10px;
    position: relative;
    transition: background 0.2s ease, border-color 0.2s ease;
    background: var(--color-bg);
}

.checkbox-option input[type="checkbox"]:checked + .checkmark {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.checkbox-option input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 11px;
    font-weight: bold;
}

/* Buttons */
.next-btn,
.submit-btn {
    background: var(--color-accent);
    color: var(--color-bg);
    border: none;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    margin-top: 24px;
    position: relative;
    overflow: hidden;
    min-width: 120px;
}

.next-btn:hover:not(:disabled),
.submit-btn:hover:not(:disabled) {
    background: #0088CC;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 163, 255, 0.4);
}

.next-btn:disabled,
.submit-btn:disabled {
    background: var(--color-border);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Loading State */
.loader {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-left: 8px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success Step */
.success-step {
    padding: 40px;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

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

.success-icon {
    margin-bottom: 24px;
    animation: scaleIn 0.5s ease 0.2s backwards;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.success-step h2 {
    font-size: 32px;
    margin-bottom: 12px;
    color: var(--color-text);
}

.success-subtitle {
    color: var(--color-text-secondary);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 24px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.next-steps {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    margin: 24px auto;
    text-align: left;
    max-width: 500px;
}

.next-steps h3 {
    color: var(--color-accent);
    margin-bottom: 16px;
    font-size: 18px;
    font-weight: 600;
}

.next-steps ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.next-steps li {
    padding: 10px 0;
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.5;
}

.back-home-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--color-accent);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    margin-top: 24px;
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    font-size: 16px;
}

.back-home-btn:hover {
    background: #0088dd;
    transform: translateX(-4px);
    box-shadow: 0 4px 12px rgba(0, 163, 255, 0.3);
}

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

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

/* Error States */
.error {
    border-color: #FF3D3D !important;
    background: rgba(255, 61, 61, 0.05) !important;
}

.error-message {
    color: #FF3D3D;
    font-size: 13px;
    margin-top: 4px;
    display: block;
    animation: slideDown 0.2s ease;
}

/* Error Popup Modal */
body > .error-message.show {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-bg);
    border: 2px solid #FF3D3D;
    border-radius: 16px;
    padding: 32px;
    max-width: 450px;
    width: 90%;
    z-index: 10000;
    box-shadow: 0 20px 60px rgba(255, 61, 61, 0.3);
    animation: errorPopIn 0.3s ease;
    color: var(--color-text);
    text-align: center;
}

body > .error-message.show::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: -1;
    backdrop-filter: blur(4px);
}

.error-icon {
    font-size: 48px;
    margin-bottom: 16px;
    animation: shake 0.5s ease;
}

.error-content h3 {
    color: #FF3D3D;
    font-size: 24px;
    margin-bottom: 12px;
    font-weight: 600;
}

.error-content p {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.error-actions .primary-btn {
    padding: 12px 24px;
    background: #FF3D3D;
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.error-actions .primary-btn:hover {
    background: #E02020;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 61, 61, 0.3);
}

@keyframes errorPopIn {
    from {
        opacity: 0;
        transform: translate(-50%, -45%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.form-error {
    background: rgba(255, 61, 61, 0.1);
    border: 1px solid #FF3D3D;
    color: #FF3D3D;
    padding: 12px 16px;
    border-radius: 6px;
    margin: 16px 0;
    text-align: center;
    font-size: 14px;
}

/* Success States */
.success {
    border-color: var(--color-accent) !important;
    background: rgba(0, 163, 255, 0.05) !important;
}

input:valid:not(:placeholder-shown):not([type="radio"]):not([type="checkbox"]) {
    border-color: var(--color-accent);
}

/* Form Group Wrapper */
.form-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .form-container {
        border-radius: 8px;
    }
    
    .progress-bar {
        padding: 20px 15px;
    }
    
    .step {
        margin: 0 15px;
        width: 28px;
        height: 28px;
        font-size: 13px;
    }
    
    .form-step {
        padding: 30px 20px;
        min-height: 380px;
    }
    
    h2 {
        font-size: 22px;
    }
    
    .next-btn,
    .submit-btn {
        width: 100%;
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .step {
        margin: 0 10px;
        width: 24px;
        height: 24px;
        font-size: 12px;
    }
    
    h2 {
        font-size: 20px;
    }
}