/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
    /* Colors */
    --color-primary: #FF6B00;
    --color-primary-dark: #E65100;
    --color-primary-light: #FF9100;
    --color-secondary: #FFC107;
    --color-secondary-dark: #FFB300;
    --color-white: #FFFFFF;
    --color-background: #F5F5F7;
    --color-background-dark: #1D1D1F;
    --color-text-primary: #1D1D1F;
    --color-text-secondary: #86868B;
    --color-border: #E5E5E5;
    --color-success: #34C759;
    --color-error: #FF3B30;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-md);
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    gap: var(--spacing-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-background);
    border-color: var(--color-text-secondary);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: box-shadow var(--transition-fast);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: var(--spacing-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--color-primary);
}

.nav {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -24px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: 140px var(--spacing-md) 80px;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-white) 100%);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-3xl));
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Section Styles
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: clamp(var(--font-size-xl), 4vw, var(--font-size-2xl));
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: 80px var(--spacing-md);
    background-color: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--color-primary-light);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card.selected {
    border-color: var(--color-primary);
    background-color: rgba(255, 107, 0, 0.03);
}

.service-card.selected::before {
    opacity: 1;
}

.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.service-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    min-height: 40px;
}

.service-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.service-price span {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 400;
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: 80px var(--spacing-md);
    background-color: var(--color-background);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: transform var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================
   Wizard Modal
   ============================================ */
.wizard-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.wizard-modal.active {
    display: flex;
}

.wizard-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.wizard-container {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.wizard-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    font-size: 32px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
    z-index: 10;
}

.wizard-close:hover {
    color: var(--color-text-primary);
}

.wizard-content {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
}

.wizard-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

/* Progress Indicator */
.progress-indicator {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.progress-step.active .step-number {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.progress-step:not(.active) .step-number {
    background-color: var(--color-border);
    color: var(--color-text-secondary);
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-white);
    border: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.step-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.progress-line {
    width: 48px;
    height: 2px;
    background-color: var(--color-border);
    flex: 0 0 auto;
}

.progress-line.active {
    background-color: var(--color-primary);
}

/* Wizard Steps */
.wizard-step {
    display: none;
}

.wizard-step.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

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

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.step-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

/* Wizard Services (Step 1) */
.wizard-services {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-md);
}

.wizard-service-card {
    background-color: var(--color-background);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.wizard-service-card:hover {
    background-color: rgba(255, 107, 0, 0.05);
    border-color: var(--color-primary-light);
}

.wizard-service-card.selected {
    background-color: rgba(255, 107, 0, 0.1);
    border-color: var(--color-primary);
}

.wizard-service-card .service-icon {
    width: 32px;
    height: 32px;
    margin-bottom: var(--spacing-sm);
}

.wizard-service-card .service-title {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xs);
}

.wizard-service-card .service-price {
    font-size: var(--font-size-lg);
}

/* Date Picker (Step 2) */
.date-picker {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.date-input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    transition: border-color var(--transition-fast);
}

.date-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.time-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.time-slot {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.time-slot:hover {
    border-color: var(--color-primary-light);
    background-color: rgba(255, 107, 0, 0.05);
}

.time-slot.selected {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.time-slot.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Contact Form (Step 3) */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

.form-input,
.form-textarea {
    padding: var(--spacing-md);
    font-size: var(--font-size-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Confirmation (Step 4) */
.confirmation-summary {
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.summary-item {
    margin-bottom: var(--spacing-md);
}

.summary-item:last-child {
    margin-bottom: 0;
}

.summary-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.summary-value {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--color-text-primary);
}

.summary-value.highlight {
    color: var(--color-primary);
}

.edit-link {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    cursor: pointer;
    margin-top: var(--spacing-sm);
    display: inline-block;
}

.edit-link:hover {
    text-decoration: underline;
}

/* Wizard Navigation */
.wizard-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* ============================================
   Success Modal
   ============================================ */
.success-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.success-modal.active {
    display: flex;
}

.success-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.success-container {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 90%;
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.success-content {
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-success);
}

.success-icon svg {
    width: 100%;
    height: 100%;
}

.success-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.success-message {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-lg);
}

.success-details {
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.success-details .summary-item {
    margin-bottom: var(--spacing-sm);
}

.success-details .summary-item:last-child {
    margin-bottom: 0;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-background-dark);
    color: var(--color-white);
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    max-width: 300px;
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-xs);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (min-width: 640px) {
    .services-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        max-width: 900px;
        margin: 0 auto;
    }
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

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

    .progress-label {
        display: none;
    }
}

@media (min-width: 1024px) {
    .services-grid,
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .header-content {
        padding: 0 var(--spacing-lg);
    }

    .hero {
        padding: 160px var(--spacing-lg) 100px;
    }

    .wizard-container {
        width: auto;
    }
}