/* Design System & Variables */
:root {
    /* Colors - Emerald Theme */
    --color-primary: #10b981;
    --color-primary-dark: #047857;
    --color-primary-light: #d1fae5;
    --color-secondary: #3b82f6;
    --color-accent: #f59e0b;

    --color-bg-body: #f8fafc;
    --color-bg-surface: #ffffff;
    --color-text-main: #1f2937;
    --color-text-muted: #4b5563;
    --color-text-light: #9ca3af;

    /* Typography */
    --font-family-main: 'Sukhumvit Set', 'Kanit', 'Inter', sans-serif;

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

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    color: var(--color-text-main);
    line-height: 1.6;
}

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

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes swipeRight {
    to {
        transform: translateX(150%) rotate(20deg);
        opacity: 0;
    }
}

@keyframes swipeLeft {
    to {
        transform: translateX(-150%) rotate(-20deg);
        opacity: 0;
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-slide-up {
    animation: slideUp 0.8s ease-out forwards;
}

/* Staggered delays for children */
.stagger-1 {
    animation-delay: 0.1s;
}

.stagger-2 {
    animation-delay: 0.2s;
}

.stagger-3 {
    animation-delay: 0.3s;
}

/* Utility Classes / Components */

.section-heading {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

/* FAQ Styles */
.faq-question {
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    padding: 0 var(--spacing-lg);
}

.faq-answer.active {
    max-height: 500px;
    padding: 0.5rem var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
}

/* Button Animations */
.line-button {
    transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.line-button:active {
    transform: scale(0.98);
}

.line-button:hover {
    box-shadow: var(--shadow-lg);
}

/* Map Frame */
.map-frame {
    height: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* Premium Card Hover Effect */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Booking Tabs */
.booking-tab {
    background-color: #f3f4f6;
    color: #6b7280;
}

.booking-tab.active {
    background-color: #10b981;
    color: white;
}

.booking-tab:hover:not(.active) {
    background-color: #e5e7eb;
}

/* Swipe Cards Container */
.swipe-container {
    perspective: 1000px;
}

/* Swipe Card Styles */
.swipe-card {
    position: absolute;
    width: 90%;
    max-width: 400px;
    height: 500px;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    cursor: grab;
}

.swipe-card:active {
    cursor: grabbing;
}

.swipe-card img {
    user-select: none;
    pointer-events: none;
}

/* Card Stack Effect */
.swipe-card[data-index="0"] {
    z-index: 11;
    transform: translateY(0) scale(1);
}

.swipe-card[data-index="1"] {
    z-index: 10;
    transform: translateY(10px) scale(0.95);
    opacity: 0.8;
}

.swipe-card[data-index="2"] {
    z-index: 9;
    transform: translateY(20px) scale(0.9);
    opacity: 0.6;
}

.swipe-card[data-index]:not([data-index="0"]):not([data-index="1"]):not([data-index="2"]) {
    z-index: 1;
    transform: translateY(30px) scale(0.85);
    opacity: 0;
    pointer-events: none;
}

/* Swipe Animations */
.swipe-card.swipe-right {
    animation: swipeRight 0.5s ease-out forwards;
}

.swipe-card.swipe-left {
    animation: swipeLeft 0.5s ease-out forwards;
}

/* Navigation Buttons */
.swipe-btn {
    background-color: white;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.swipe-btn:hover {
    background-color: #10b981;
    color: white;
    transform: scale(1.1);
}

.swipe-btn:active {
    transform: scale(0.95);
}

/* Progress Dots */
.swipe-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #d1d5db;
    transition: all 0.3s ease;
    cursor: pointer;
}

.swipe-dot.active {
    background-color: #10b981;
    width: 24px;
    border-radius: 4px;
}

.swipe-dot:hover:not(.active) {
    background-color: #9ca3af;
}