/* ============================================
   GOOGLE FONTS IMPORT
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

/* ============================================
   CSS VARIABLES - THEME CONFIGURATION
   ============================================ */
:root {
    /* Primary Colors - Professional Green Palette */
    --primary-green: #2D5A3D;
    --primary-green-dark: #1E402B;
    --primary-green-light: #3D7A52;
    
    /* Secondary Colors - Earth Tones */
    --earth-brown: #8B7355;
    --earth-beige: #F5F0EB;
    --earth-sand: #E8DED4;
    
    /* Accent Colors */
    --accent-gold: #C9A962;
    --accent-cream: #FAF8F5;
    
    /* Neutral Colors */
    --text-primary: #1A1D1F;
    --text-secondary: #4A5568;
    --text-light: #718096;
    --white: #FFFFFF;
    --black: #000000;
    
    /* Background Colors */
    --bg-white: #FFFFFF;
    --bg-off-white: #FAFAFA;
    --bg-gray-50: #F7F9FA;
    
    /* Spacing Scale */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --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);
    
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-headings: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-secondary);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   NAVIGATION BAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--primary-green);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-headings);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.9375rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: var(--transition-base);
    transform: translateX(-50%);
}

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

.nav-link:hover::after {
    width: 80%;
}

/* Language Switcher */
.lang-switch {
    display: flex;
    gap: var(--spacing-xs);
    margin-left: var(--spacing-lg);
    padding-left: var(--spacing-lg);
    border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.lang-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.lang-btn.active {
    background-color: var(--accent-gold);
    border-color: var(--accent-gold);
    color: var(--primary-green-dark);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--white);
    transition: var(--transition-base);
}

/* ============================================
   HERO SECTION WITH CAROUSEL
   ============================================ */
.hero-section {
    position: relative;
    margin-top: 0;
}

.hero-text-content {
    text-align: center;
    color: var(--white);
    padding: calc(var(--spacing-3xl) + 60px) var(--spacing-xl) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
}

.hero-text-content h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-text-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

/* ============================================
   HOME PAGE CAROUSEL
   ============================================ */
.home-carousel {
    position: relative;
    width: 100%;
    max-width: 1400px;
    height: 65vh;
    overflow: hidden;
    margin: 0 auto var(--spacing-3xl);
}

.carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
}

.carousel-slide {
    min-width: 100%;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.carousel-slide:hover img {
    transform: scale(1.05);
}

.carousel-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(30, 64, 43, 0.9) 0%, rgba(30, 64, 43, 0.5) 70%, transparent 100%);
    padding: var(--spacing-2xl) var(--spacing-xl);
    color: var(--white);
}

.carousel-overlay h3 {
    font-family: var(--font-headings);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.carousel-overlay p {
    font-size: 1rem;
    opacity: 0.9;
}

.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition-base);
}

.indicator.active {
    width: 30px;
    border-radius: 10px;
    background-color: var(--accent-gold);
}

.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(45, 90, 61, 0.8);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    transition: var(--transition-base);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-nav-btn:hover {
    background-color: var(--primary-green);
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav-btn.prev { left: 20px; }
.carousel-nav-btn.next { right: 20px; }

/* ============================================
   SECTIONS GENERAL STYLES
   ============================================ */
.section {
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-family: var(--font-headings);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-gold);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-top: var(--spacing-lg);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-section {
    background-color: var(--bg-gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-gold));
    transform: scaleX(0);
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

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

.service-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.8;
}

/* ============================================
   GALLERY SECTION (HOME PAGE PREVIEW)
   ============================================ */
.gallery-preview-section {
    background-color: var(--white);
}

.gallery-grid-container {
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(45, 90, 61, 0.9) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: var(--spacing-xl);
    opacity: 0;
    transition: var(--transition-base);
}

.gallery-item-overlay h4 {
    color: var(--white);
    font-size: 1.125rem;
    transform: translateY(20px);
    transition: var(--transition-base);
}

.gallery-item-overlay .view-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    transform: scale(0);
    transition: var(--transition-base);
}

.gallery-item:hover img {
    transform: scale(1.15);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item:hover .view-icon {
    transform: scale(1);
}

.gallery-item:hover h4 {
    transform: translateY(0);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-headings);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
}

.btn-primary {
    background-color: var(--primary-green);
    color: var(--white);
}

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

.btn-secondary {
    background-color: var(--earth-brown);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #6d5a40;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--white);
    text-align: center;
}

.contact-section .section-title {
    color: var(--white);
}

.contact-section .section-title::after {
    background-color: var(--accent-gold);
}

.contact-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.contact-info {
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.contact-icon {
    font-size: 1.5rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--primary-green-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.footer-section h4 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.footer-section p, .footer-section a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    line-height: 1.8;
}

.footer-section a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    max-width: 1400px;
    margin: var(--spacing-2xl) auto 0;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.875rem;
}

/* ============================================
   GALLERY PAGE STYLES
   ============================================ */
.gallery-page-section {
    padding-top: calc(80px + var(--spacing-3xl));
}

.full-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

/* ============================================
   LIGHTBOX VIEWER
   ============================================ */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.96);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: var(--spacing-xl);
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: calc(100vw - var(--spacing-2xl));
    max-height: calc(100vh - var(--spacing-2xl));
    animation: lightboxZoomIn 0.3s ease;
}

@keyframes lightboxZoomIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-image {
    max-width: 100%;
    max-height: calc(100vh - 200px);
    border-radius: var(--radius-md);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--accent-gold);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(45, 90, 61, 0.8);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-nav:hover {
    background-color: var(--primary-green);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-nav.prev { left: -80px; }
.lightbox-nav.next { right: -80px; }

.lightbox-caption {
    text-align: center;
    color: var(--white);
    margin-top: var(--spacing-lg);
    font-size: 1rem;
    opacity: 0.9;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
    .nav-links {
        gap: var(--spacing-lg);
    }
    
    .home-carousel {
        height: 50vh;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-green);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .lang-switch {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
    }
    
    .home-carousel {
        height: 45vh;
    }
    
    .carousel-overlay h3 {
        font-size: 1.25rem;
    }
    
    .lightbox-nav.prev { left: 10px; }
    .lightbox-nav.next { right: 10px; }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .home-carousel {
        height: 40vh;
    }
    
    .services-grid,
    .gallery-grid,
    .full-gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-lg); }
.mt-3 { margin-top: var(--spacing-xl); }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-lg); }
.mb-3 { margin-bottom: var(--spacing-xl); }

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background-color: var(--accent-gold);
    z-index: 1001;
    transition: width 0.1s ease;
}

/* ============================================
   LOADING ANIMATION
   ============================================ */
.loading {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(45, 90, 61, 0.3);
    border-top-color: var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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