/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Custom Properties for Theming */
:root {
    /* Light Theme Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-accent: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    --text-primary: #333333;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --shadow: rgba(0, 0, 0, 0.1);
    --green-primary: #22c55e;
    --green-secondary: #16a34a;
    --green-gradient: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

/* Dark Theme Colors */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-accent: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border-color: #334155;
    --card-bg: #1e293b;
    --navbar-bg: rgba(15, 23, 42, 0.95);
    --shadow: rgba(0, 0, 0, 0.3);
    --green-primary: #34d399;
    --green-secondary: #10b981;
    --green-gradient: linear-gradient(135deg, #34d399 0%, #10b981 100%);
}

html {
    scroll-behavior: smooth;
    transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo .logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-logo h2 {
    background: var(--green-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--green-gradient);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Theme Toggle Switch */
.theme-toggle {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
    margin-left: 1rem;
}

.theme-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: 0.3s;
    border-radius: 30px;
}

.theme-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: var(--bg-primary);
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px var(--shadow);
}

input:checked + .theme-slider {
    background-color: var(--green-primary);
}

input:checked + .theme-slider:before {
    transform: translateX(30px);
}

.theme-slider .theme-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    transition: opacity 0.3s;
}

.theme-slider .sun-icon {
    left: 8px;
    opacity: 1;
}

.theme-slider .moon-icon {
    right: 8px;
    opacity: 0;
}

input:checked + .theme-slider .sun-icon {
    opacity: 0;
}

input:checked + .theme-slider .moon-icon {
    opacity: 1;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: var(--bg-accent);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--green-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--green-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--green-primary);
    border: 2px solid var(--green-primary);
}

.btn-secondary:hover {
    background: var(--green-primary);
    color: white;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.hero-logo-container {
    text-align: center;
}

.hero-logo {
    max-width: 200px;
    width: 100%;
    height: auto;
    object-fit: contain;
    opacity: 0.9;
    transition: all 0.3s ease;
    filter: drop-shadow(0 10px 20px rgba(34, 197, 94, 0.2));
}

.hero-logo:hover {
    opacity: 1;
    transform: scale(1.05);
    filter: drop-shadow(0 15px 30px rgba(34, 197, 94, 0.3));
}

.floating-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px var(--shadow);
    animation: float 6s ease-in-out infinite;
    max-width: 300px;
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(34, 197, 94, 0.3));
}

.card-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card-content p {
    color: var(--text-secondary);
}

/* Sections */
.section {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-description {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow);
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* FAQ Grid */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px var(--shadow);
    border-left: 4px solid var(--green-primary);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--green-primary);
}

.faq-item h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Form */
.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px var(--shadow);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green-primary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

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

/* Footer */
.footer {
    background-color: #2d3748;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--navbar-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px var(--shadow);
        padding: 2rem 0;
        backdrop-filter: blur(10px);
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-logo {
        max-width: 150px;
    }

    .nav-logo .logo-img {
        height: 32px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 1rem;
    }

    /* Stack theme toggle vertically on mobile */
    .theme-toggle {
        margin: 1rem 0 0 0;
    }

    .section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-logo {
        max-width: 120px;
    }

    .nav-logo .logo-img {
        height: 28px;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 250px;
    }
}

/* Booking Section */
.booking-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.booking-calendar {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid var(--border-color);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.calendar-nav {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
    color: var(--text-primary);
}

.calendar-nav:hover {
    background: rgba(34, 197, 94, 0.1);
}

#currentMonth {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.weekday {
    text-align: center;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.5rem;
    font-size: 0.9rem;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    color: var(--text-primary);
}

.calendar-day:hover {
    background: rgba(34, 197, 94, 0.1);
}

.calendar-day.disabled {
    color: var(--text-muted);
    cursor: not-allowed;
}

.calendar-day.disabled:hover {
    background: none;
}

.calendar-day.busy {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    cursor: not-allowed;
}

.calendar-day.busy::after {
    content: '•';
    position: absolute;
    bottom: 2px;
    right: 6px;
    color: #dc3545;
    font-size: 1.2rem;
}

.calendar-day.selected {
    background: var(--green-gradient);
    color: white;
}

.booking-form {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid var(--border-color);
}

.selected-date h4,
.time-slots h4,
.booking-details h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

#selectedDateDisplay {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.time-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.time-slot {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.time-slot:hover {
    border-color: var(--green-primary);
    background: rgba(34, 197, 94, 0.05);
}

.time-slot.busy {
    background: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
    color: #dc3545;
    cursor: not-allowed;
}

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

.booking-details {
    margin-top: 1.5rem;
}

.booking-details .form-group {
    margin-bottom: 1rem;
}

.booking-details input,
.booking-details select,
.booking-details textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.booking-details input:focus,
.booking-details select:focus,
.booking-details textarea:focus {
    outline: none;
    border-color: var(--green-primary);
}

.booking-details label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.booking-submit {
    width: 100%;
    margin-top: 1.5rem;
    position: relative;
}

.btn-loader {
    display: inline-block;
}

.booking-status {
    margin-top: 2rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

.booking-status.success {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.booking-status.error {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

/* Responsive Booking */
@media (max-width: 768px) {
    .booking-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .time-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .calendar-day {
        font-size: 0.9rem;
    }
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}