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

:root {
    --bg: #000000;
    --fg: #cccccc;
    --dim: #ffffff;
    --subtle: #444444;
    --accent: #ffffff;
    --error: #ff4444;
    --success: #00cc66;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Mono', monospace;
    --font-display: 'Oxanium', sans-serif;
    --font-serif: 'Cormorant Garamond', serif;
}

::selection {
    background: var(--fg);
    color: var(--bg);
}

body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

#bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    opacity: 0.1;
    pointer-events: none;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 4rem) 1rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.appointment-form {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    border: 1px solid var(--subtle);
    padding: clamp(1.5rem, 4vw, 3rem);
    width: 100%;
    max-width: 600px;
}

/* Progress Bar */
.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
    position: relative;
    font-family: var(--font-mono);
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--subtle);
    z-index: 1;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    background: transparent;
    padding: 0 1rem;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--bg);
    border: 1px solid var(--subtle);
    color: var(--dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.progress-step.active .step-number {
    background: var(--fg);
    color: var(--bg);
    border-color: var(--fg);
}

.progress-step.completed .step-number {
    background: var(--subtle);
    color: var(--bg);
    border-color: var(--subtle);
}

.progress-step span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--subtle);
    background: var(--bg);
    padding: 0 0.5rem;
}
.progress-step.active span {
    color: var(--fg);
}

/* Step Content */
.step-content {
    animation: fadeIn 0.3s ease;
}

.step-content.hidden {
    display: none;
}

.step-content h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--fg);
    letter-spacing: -0.02em;
}

/* Appointment Types */
.appointment-types {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.appointment-type {
    border: 1px solid var(--subtle);
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.02);
}

.appointment-type:hover {
    border-color: var(--fg);
    background: rgba(255, 255, 255, 0.05);
}

.appointment-type.selected {
    border-color: var(--fg);
    background: rgba(255, 255, 255, 0.08);
}

.appointment-type h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dim);
}

.appointment-type p {
    color: var(--fg);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.appointment-meta {
    display: flex;
    gap: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Calendar */
.calendar-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-family: var(--font-mono);
}

.current-period {
    color: var(--fg);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--subtle);
    border: 1px solid var(--subtle);
    margin-bottom: 2rem;
    font-family: var(--font-mono);
}

.calendar-day {
    background: var(--bg);
    padding: 0.75rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: var(--fg);
    font-size: 0.9rem;
}

.calendar-day.header {
    background: rgba(255, 255, 255, 0.05);
    color: var(--dim);
    cursor: default;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-height: auto;
    padding: 0.5rem;
}

.calendar-day.available:hover {
    background: rgba(255, 255, 255, 0.1);
}

.calendar-day.selected {
    background: var(--fg);
    color: var(--bg);
    font-weight: 600;
}

.calendar-day.unavailable {
    color: var(--subtle);
    cursor: not-allowed;
    background: rgba(0, 0, 0, 0.3);
}

/* Time Slots */
.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
    margin-bottom: 2.5rem;
    font-family: var(--font-mono);
}

.time-slot {
    padding: 0.75rem;
    border: 1px solid var(--subtle);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.02);
    color: var(--dim);
    font-size: 0.9rem;
}

.time-slot:hover {
    border-color: var(--fg);
    background: rgba(255, 255, 255, 0.05);
}

.time-slot.selected {
    border-color: var(--fg);
    background: var(--fg);
    color: var(--bg);
    font-weight: 600;
}

/* Form */
.selected-type-info {
    background: rgba(255, 255, 255, 0.05);
    border-left: 2px solid var(--subtle);
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
}

.selected-type-info h3 {
    font-family: var(--font-display);
    color: var(--dim);
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.selected-type-info p {
    font-family: var(--font-mono);
    color: var(--subtle);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.booking-summary, .confirmed-booking-summary {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--subtle);
    padding: 1.5rem;
    margin-bottom: 2rem;
    text-align: left;
}

.booking-summary h3, .confirmed-booking-summary h3 {
    font-family: var(--font-display);
    color: var(--dim);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.booking-summary p, .confirmed-booking-summary p {
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
}

.booking-summary p strong, .confirmed-booking-summary p strong {
    font-family: var(--font-mono);
    color: var(--subtle);
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.8rem;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--subtle);
    color: var(--fg);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--fg);
    background: rgba(255, 255, 255, 0.05);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem 2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    text-decoration: none;
    font-weight: 600;
}

.btn-primary {
    background: var(--fg);
    color: var(--bg);
    border-color: var(--fg);
}

.btn-primary:hover:not(:disabled) {
    background: transparent;
    color: var(--fg);
}

.btn-primary:disabled {
    background: var(--subtle);
    border-color: var(--subtle);
    color: var(--bg);
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    color: var(--dim);
    border-color: var(--subtle);
}

.btn-secondary:hover {
    color: var(--fg);
    border-color: var(--fg);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    color: var(--dim);
    border-color: var(--subtle);
}

.btn-icon:hover {
    color: var(--fg);
    border-color: var(--fg);
}

.step-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    border-top: 1px solid var(--subtle);
    padding-top: 2rem;
}

/* Loading & Success */
.loading,
.success {
    text-align: center;
    padding: 3rem 1rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 2px solid var(--subtle);
    border-top: 2px solid var(--fg);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

.loading p {
    font-family: var(--font-mono);
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.85rem;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: var(--fg);
    color: var(--bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.success h2 {
    font-family: var(--font-display);
    color: var(--dim);
    margin-bottom: 2rem;
}

.hidden {
    display: none !important;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .appointment-form {
        padding: 1.5rem;
        border: none;
        background: transparent;
    }

    .progress-step span {
        display: none;
    }

    .step-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .progress-bar {
        margin-bottom: 2rem;
    }

    .step-number {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }

    .time-slots {
        grid-template-columns: repeat(2, 1fr);
    }
}

.payment-section {
    margin: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--subtle);
    padding-top: 2rem;
}

.payment-section p {
    margin-bottom: 1.5rem;
    font-family: var(--font-mono);
    color: var(--dim);
    font-size: 0.85rem;
}

#paypal-button-container {
    max-width: 300px;
    margin: 0 auto;
}

.payment-success {
    background: rgba(0, 204, 102, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin: 1rem 0;
}

.payment-error {
    background: rgba(255, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin: 1rem 0;
}