/* ===================================
   Carolina González Beauty Center
   Appointment Booking System - Styles
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #C9A227;
    --color-primary-dark: #A88B1F;
    --color-primary-light: #E5D07A;
    --color-secondary: #E8B4B8;
    --color-accent: #F7E7CE;
    --color-background: #FDF8F3;
    --color-surface: #FFFFFF;
    --color-text-primary: #3D2B1F;
    --color-text-secondary: #8B7355;
    --color-success: #7D9471;
    --color-error: #C45B5B;
    --color-whatsapp: #25D366;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-accent: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(61, 43, 31, 0.06);
    --shadow-md: 0 4px 20px rgba(61, 43, 31, 0.08);
    --shadow-lg: 0 8px 40px rgba(61, 43, 31, 0.12);
    --shadow-glow: 0 0 20px rgba(201, 162, 39, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease-out;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

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

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: transparent;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
    padding: var(--space-sm) 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.logo {
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.logo-image {
    height: 50px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.logo-subtitle {
    font-family: var(--font-accent);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.nav-link {
    font-family: var(--font-accent);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-primary);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-normal);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--space-sm);
    cursor: pointer;
    color: var(--color-text-primary);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-background) 50%, var(--color-secondary) 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23C9A227' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    padding: var(--space-xl);
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-lg);
    padding: var(--space-sm) var(--space-md);
    background: rgba(201, 162, 39, 0.1);
    border-radius: var(--radius-xl);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

.hero-decoration {
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 300px;
    height: 300px;
    color: var(--color-primary);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.hero-decoration svg {
    width: 100%;
    height: 100%;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-accent);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn i {
    width: 18px;
    height: 18px;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    background: #ccc;
    border-color: #ccc;
    cursor: not-allowed;
    transform: none;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-surface);
}

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

.btn-whatsapp:hover {
    background: #1DA851;
    border-color: #1DA851;
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-family: var(--font-accent);
    font-size: 0.9rem;
    padding: var(--space-sm);
}

.btn-link:hover {
    color: var(--color-primary);
}

.btn-confirm {
    padding: var(--space-md) var(--space-xl);
}

/* ===================================
   Section Styles
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-badge {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: var(--space-4xl) 0;
    background: var(--color-surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.service-category {
    background: var(--color-background);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-normal);
}

.service-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-accent);
}

.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-surface);
    border-radius: var(--radius-md);
}

.category-icon i {
    width: 24px;
    height: 24px;
}

.category-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-text-primary);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.service-item-detail {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border: 1px solid var(--color-accent);
    transition: all var(--transition-normal);
}

.service-item-detail:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.service-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
    gap: var(--space-sm);
}

.service-item-header .service-name {
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 1rem;
}

.service-item-header .service-duration {
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 600;
    white-space: nowrap;
}

.service-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-md);
}

.service-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: left;
    width: 100%;
}

.service-item:hover {
    border-color: var(--color-primary);
    background: var(--color-accent);
}

.service-item.selected {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-surface) 100%);
    box-shadow: var(--shadow-glow);
}

.service-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.service-name {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.service-duration {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.service-arrow {
    width: 20px;
    height: 20px;
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
}

.service-item:hover .service-arrow,
.service-item.selected .service-arrow {
    color: var(--color-primary);
    transform: translateX(4px);
}

/* ===================================
   Booking Section
   =================================== */
.booking {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-accent) 100%);
}

.booking-container {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2xl);
    max-width: 900px;
    margin: 0 auto;
}

/* Steps Indicator */
.steps-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-2xl);
    padding: var(--space-lg) 0;
}

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

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background);
    color: var(--color-text-secondary);
    font-family: var(--font-accent);
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-background);
    transition: all var(--transition-normal);
}

.step.active .step-number,
.step.completed .step-number {
    background: var(--color-primary);
    color: var(--color-surface);
    border-color: var(--color-primary);
}

.step-label {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.step.active .step-label {
    color: var(--color-primary);
}

.step-line {
    width: 60px;
    height: 2px;
    background: var(--color-background);
    margin: 0 var(--space-sm);
}

/* Booking Step Content */
.booking-step {
    display: none;
    animation: fadeIn 0.3s ease;
}

.booking-step.active {
    display: block;
}

.step-title {
    font-size: 1.5rem;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.step-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.step-content {
    margin-bottom: var(--space-xl);
}

.step-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-background);
}

.step-actions .btn {
    min-width: 140px;
}

/* Service Selection */
.service-selection {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
}

.service-option {
    padding: var(--space-lg);
    background: var(--color-background);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.service-option:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.service-option.selected {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-surface) 100%);
    box-shadow: var(--shadow-glow);
}

.service-option-name {
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.service-option-duration {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.service-option-description {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.service-whatsapp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    margin-top: var(--space-md);
    background: #25D366;
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-accent);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.service-whatsapp-btn:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.service-whatsapp-btn svg {
    flex-shrink: 0;
}

/* Calendar & Time Grid */
.datetime-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

/* Calendar Styles */
.calendar-container {
    background: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.calendar-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.calendar-nav {
    background: var(--color-surface);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calendar-nav:hover {
    background: var(--color-primary);
    color: var(--color-surface);
    border-color: var(--color-primary);
}

.calendar-nav i {
    width: 18px;
    height: 18px;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}

.calendar-weekdays span {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-align: center;
    text-transform: uppercase;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-xs);
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calendar-day:hover:not(.disabled):not(.empty) {
    background: var(--color-accent);
}

.calendar-day.today {
    font-weight: 700;
}

.calendar-day.selected {
    background: var(--color-primary);
    color: var(--color-surface);
}

.calendar-day.disabled {
    color: #ccc;
    cursor: not-allowed;
}

.calendar-day.empty {
    cursor: default;
}

/* Time Slots */
.time-container {
    background: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.time-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    text-align: center;
}

.time-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    max-height: 300px;
    overflow-y: auto;
}

.time-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--color-text-secondary);
    padding: var(--space-xl);
}

.time-slot {
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    text-align: center;
    font-family: var(--font-accent);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.time-slot:hover {
    border-color: var(--color-primary);
    background: var(--color-accent);
}

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

.time-slot.unavailable {
    background: #f0f0f0;
    color: #aaa;
    text-decoration: line-through;
    cursor: not-allowed;
}

/* Form Styles */
.client-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.form-label {
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-input {
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-input.valid {
    border-color: var(--color-success);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.form-error {
    font-size: 0.8rem;
    color: var(--color-error);
    display: none;
}

.form-error.show {
    display: block;
}

/* Booking Summary */
.booking-summary {
    background: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.summary-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-accent);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-surface);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.summary-icon i {
    width: 20px;
    height: 20px;
}

.summary-content {
    flex: 1;
}

.summary-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.summary-value {
    font-weight: 600;
    color: var(--color-text-primary);
}

.confirmation-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(201, 162, 39, 0.1);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.confirmation-notice i {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.confirmation-notice p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ===================================
   Modal Styles
   =================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(61, 43, 31, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

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

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-xl);
    background: var(--color-success);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounceIn 0.5s ease;
}

.success-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.success-title {
    font-size: 1.8rem;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.success-message {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

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

.success-whatsapp-section {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-accent);
    text-align: center;
}

.success-whatsapp-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.success-whatsapp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: #25D366;
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    font-family: var(--font-accent);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.success-whatsapp-btn:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.success-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* ===================================
   Loading Overlay
   =================================== */
.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: rgba(253, 248, 243, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--color-accent);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.loading-text {
    font-family: var(--font-accent);
    font-weight: 500;
    color: var(--color-text-primary);
}

/* Small Loading Spinner for Time Slots */
.loading-spinner-small {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-accent);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.slots-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    gap: var(--space-md);
}

.slots-loading p {
    font-family: var(--font-accent);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ===================================
   WhatsApp Floating Button
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all var(--transition-normal);
    animation: pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float i {
    width: 32px;
    height: 32px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-text-primary);
    color: var(--color-background);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-title {
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-list i {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-background);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.social-link i {
    width: 20px;
    height: 20px;
}

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

.footer-bottom p {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ===================================
   Admin Link
   =================================== */
.admin-link {
    position: fixed;
    bottom: 30px;
    left: 30px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.admin-link:hover {
    background: var(--color-primary);
    color: var(--color-surface);
}

.admin-link i {
    width: 16px;
    height: 16px;
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounceIn {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6);
    }
}

/* ===================================
   Responsive Styles
   =================================== */
@media (max-width: 1024px) {
    .datetime-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-surface);
        flex-direction: column;
        padding: var(--space-2xl);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-normal);
        z-index: 1001;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: var(--space-md) 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero {
        min-height: 70vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .steps-indicator {
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    
    .step-line {
        display: none;
    }
    
    .step-label {
        display: none;
    }
    
    .booking-container {
        padding: var(--space-lg);
    }
    
    .service-selection {
        grid-template-columns: 1fr;
    }
    
    .time-slots {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step-actions {
        flex-direction: column-reverse;
    }
    
    .step-actions .btn {
        width: 100%;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
    }
    
    .admin-link {
        bottom: 20px;
        left: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 16px;
        --space-xl: 24px;
        --space-2xl: 32px;
    }
    
    .hero-content {
        padding: var(--space-lg);
    }
    
    .booking-container {
        padding: var(--space-md);
        border-radius: var(--radius-md);
    }
    
    .calendar-container,
    .time-container {
        padding: var(--space-md);
    }
    
    .success-actions {
        gap: var(--space-sm);
    }
}

/* ===================================
   Admin Page Styles
   =================================== */
.admin-header {
    background: var(--color-surface);
    padding: var(--space-lg) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-surface);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.stat-icon i {
    width: 24px;
    height: 24px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.admin-calendar {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.appointments-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.appointment-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-background);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.appointment-card.completed {
    border-left-color: var(--color-success);
}

.appointment-card.cancelled {
    border-left-color: var(--color-error);
}

.appointment-time {
    font-family: var(--font-accent);
    font-weight: 600;
    color: var(--color-primary);
    min-width: 80px;
}

.appointment-details {
    flex: 1;
}

.appointment-service {
    font-weight: 600;
    color: var(--color-text-primary);
}

.appointment-client {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.appointment-status {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-xl);
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.appointment-status.confirmed {
    background: rgba(125, 148, 113, 0.2);
    color: var(--color-success);
}

.appointment-status.pending {
    background: rgba(201, 162, 39, 0.2);
    color: var(--color-primary);
}

.appointment-status.completed {
    background: rgba(125, 148, 113, 0.2);
    color: var(--color-success);
}

.appointment-status.cancelled {
    background: rgba(196, 91, 91, 0.2);
    color: var(--color-error);
}