/* ===== CSS Variables ===== */
:root {
    /* Colors - Elegant feminine palette */
    --bg-primary: #f7f6f6;
    --bg-secondary: #ffffff;
    --bg-accent: #2d2f32;

    --text-primary: #2d2f32;
    --text-secondary: #5a5a5a;
    --text-muted: #8a8a8a;
    --text-light: #f7f6f6;

    --accent-primary: #c9a87c;
    --accent-secondary: #a88b5e;
    --accent-gradient: linear-gradient(135deg, #c9a87c 0%, #a88b5e 100%);

    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

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

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

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

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Header ===== */
.header {
    background: var(--bg-accent);
    color: var(--text-light);
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
}

.header-content {
    max-width: 600px;
    margin: 0 auto;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: var(--spacing-sm);
}

.logo-img {
    max-width: 280px;
    height: auto;
    margin-bottom: var(--spacing-sm);
}

.tagline {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    font-style: italic;
    opacity: 0.9;
    font-weight: 400;
}

/* ===== Main Content ===== */
.main {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ===== Booking Card ===== */
.booking-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 500px;
    overflow: hidden;
}

.card-header {
    background: var(--accent-gradient);
    color: var(--text-light);
    padding: var(--spacing-xl);
    text-align: center;
}

.card-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.card-subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ===== Form ===== */
.booking-form {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-group label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.required {
    color: #e53e3e;
    margin-left: 2px;
}

.form-footer-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(201, 168, 124, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}



/* ===== Submit Button ===== */
.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: #25D366;
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-top: var(--spacing-md);
}

.btn-submit:hover {
    background: #20bd5a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-icon {
    font-size: 1.3rem;
}

/* ===== Info Note ===== */
.info-note {
    margin-top: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-accent);
    color: var(--text-light);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
}

.footer-address {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.footer-copyright {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .logo {
        font-size: 2rem;
    }

    .logo-img {
        max-width: 180px;
    }

    .tagline {
        font-size: 1rem;
    }

    .card-title {
        font-size: 1.5rem;
    }

    .booking-form {
        padding: var(--spacing-lg);
    }

    .time-slots {
        grid-template-columns: repeat(3, 1fr);
    }

    .btn-submit {
        font-size: 1rem;
        padding: var(--spacing-md);
    }
}

@media (max-width: 400px) {
    .time-slots {
        grid-template-columns: repeat(2, 1fr);
    }
}