:root {
    /* Colors */
    --bg-color: #ffffff;
    --bg-secondary: #f4f4f4;
    --text-primary: #222222;
    /* Anthracite */
    --text-secondary: #666666;
    --accent-color: #c29b7e;
    /* Warm Beige */
    --accent-hover: #a88267;

    /* Spacing */
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 40px;
    --spacing-xl: 80px;

    /* Fonts */
    --font-main: 'Montserrat', sans-serif;

    /* UI */
    --radius-sm: 4px;
    --radius-md: 8px;
    --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.05);
    --transition: all 0.2s ease-in-out;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
.hero-title,
.logo {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid #eee;
}

.logo {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.logo span {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: #fff;
    padding: 0 20px;
}

.hero-content {
    max-width: 800px;
    animation: fadeIn 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.hero-title .highlight {
    color: var(--accent-color);
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 10px;
    background: rgba(194, 155, 126, 0.3);
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    padding: 15px 40px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 0;
    /* Boxy/Modern */
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(118, 185, 0, 0.2);
}

.full-width {
    width: 100%;
}

/* Booking Section */
.booking-section {
    padding: var(--spacing-xl) 20px;
    background-color: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

.booking-wrapper {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    align-items: flex-start;
}

/* Calendar Styles */
.calendar-container {
    background: #fff;
    padding: 40px;
    flex: 1;
    min-width: 350px;
    max-width: 450px;
    /* Constrain width tight */
    margin: 0 auto;
    /* Center */
    box-shadow: var(--shadow-light);
    border: 1px solid #eee;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.calendar-header button {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    transition: var(--transition);
}

.calendar-header button:hover {
    color: var(--accent-color);
    background: #f9f9f9;
    border-radius: 50%;
}

.calendar-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.calendar-days-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    margin-bottom: 20px;
    color: #999;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    font-weight: 500;
    border-radius: 50%;
}

.calendar-day:not(.empty):not(.disabled):hover {
    background: #f0f0f0;
    color: var(--accent-color);
}

.calendar-day.selected {
    background: var(--accent-color);
    color: #fff;
    font-weight: 700;
}

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

/* Time Slots */
.time-slots-container {
    flex: 1;
    background: #fff;
    padding: 40px;
    min-width: 300px;
    box-shadow: var(--shadow-light);
    border: 1px solid #eee;
    animation: fadeIn 0.5s ease-out;
}

.time-slots-container h3 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 15px;
}

.time-slot-btn {
    background: #fff;
    border: 1px solid #ddd;
    color: var(--text-primary);
    padding: 10px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
    font-weight: 500;
}

.time-slot-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: #f9f9f9;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-content {
    background: #fff;
    padding: 50px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
    position: relative;
    border-top: 5px solid var(--accent-color);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

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

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 15px;
    background: #f9f9f9;
    border: 1px solid #eee;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    background: #fff;
}

.summary {
    margin-bottom: 25px;
    padding: 15px;
    background: #f0f0f0;
    font-size: 0.9rem;
    border-left: 3px solid var(--accent-color);
}

/* Utility */
.hidden {
    display: none;
}

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

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

footer {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: #fff;
    border-top: 1px solid #eee;
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-right: 8px;
}

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