/* ==========================================================================
   CSS Variables & Theme
   ========================================================================== */
:root {
    /* Colors */
    --primary: #123B35;       /* Dark Green */
    --primary-light: #1c5b52;
    --secondary: #C6A15B;     /* Gold/Tan */
    --secondary-hover: #b38e4a;
    --white: #FFFFFF;
    --light-bg: #F6F7F5;      /* Off White */
    --dark-text: #222222;     /* Dark Grey/Black */
    --light-text: #666666;
    --border-color: #E0E0E0;
    --error-color: #d32f2f;
    --success-color: #2e7d32;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --container-width: 1200px;
    --container-padding: 20px;
    --header-height: 90px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Shadows */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

ul {
    list-style: none;
}

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

/* ==========================================================================
   Reusable Utility Classes
   ========================================================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-padding {
    padding: 100px 0;
}

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

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

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-desc {
    color: var(--light-text);
    max-width: 700px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    outline: none;
    text-align: center;
}

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

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

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: transparent;
    z-index: 1000;
    transition: var(--transition-medium);
}

.header.scrolled {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    height: 80px;
}

.header.scrolled .logo-text,
.header.scrolled .nav-link,
.header.scrolled .hamburger .bar {
    color: var(--primary);
}

.header.scrolled .hamburger .bar {
    background-color: var(--primary);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    transition: var(--transition-medium);
}

.logo-highlight {
    color: var(--secondary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    padding: 5px 0;
    transition: var(--transition-medium);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: var(--transition-fast);
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease-in-out;
    background-color: var(--white);
}

/* ==========================================================================
   Hero Slider
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow);
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 6s ease;
}

.slide.active .slide-bg {
    transform: scale(1);
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 59, 53, 0.4), rgba(18, 59, 53, 0.7));
}

.slide-content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: var(--white);
    padding-top: 50px;
    max-width: 800px;
    z-index: 2;
}

.slide-subtitle {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--secondary);
    margin-bottom: 20px;
}

.slide-title {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 20px;
}

.slide-desc {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 600px;
}

/* Slider Controls */
.slider-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition-fast);
}

.slider-control:hover {
    background-color: var(--secondary);
    border-color: var(--secondary);
}

.slider-control.prev {
    left: 30px;
}

.slider-control.next {
    right: 30px;
}

/* Slider Indicators */
.slider-indicators {
    position: absolute;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.indicator.active {
    background-color: var(--secondary);
    transform: scale(1.3);
}

/* Features Overlay */
.hero-features-container {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 50%);
    z-index: 10;
    width: 100%;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.feature-card {
    padding: 30px 20px;
    text-align: center;
    border-right: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.feature-card:last-child {
    border-right: none;
}

.feature-card:hover {
    background-color: var(--light-bg);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 15px;
}

.feature-title {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 0;
}

/* ==========================================================================
   About Us Section
   ========================================================================== */
.about {
    padding-top: 150px; /* Extra padding for hero features overlap */
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
}

.about-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 2;
}

.about-image-decoration {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--secondary);
    border-radius: var(--radius-lg);
    z-index: 1;
}

.about-text {
    color: var(--light-text);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-icon {
    font-size: 1.5rem;
    color: var(--secondary);
}

.stat-label {
    font-weight: 500;
    color: var(--primary);
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(198, 161, 91, 0.2);
}

.service-icon-wrapper {
    width: 70px;
    height: 70px;
    background-color: rgba(198, 161, 91, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: var(--transition-fast);
}

.service-card:hover .service-icon-wrapper {
    background-color: var(--secondary);
}

.service-icon {
    font-size: 2rem;
    color: var(--secondary);
    transition: var(--transition-fast);
}

.service-card:hover .service-icon {
    color: var(--white);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-desc {
    color: var(--light-text);
    margin-bottom: 25px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.service-link i {
    transition: var(--transition-fast);
}

.service-card:hover .service-link i {
    transform: translateX(5px);
    color: var(--secondary);
}

/* ==========================================================================
   Call to Action Section
   ========================================================================== */
.cta {
    position: relative;
    padding: 120px 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
    color: var(--white);
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 59, 53, 0.85), rgba(18, 59, 53, 0.95));
}

.cta-container {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.cta-title {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-desc {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* ==========================================================================
   Contact Us Section
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-text {
    color: var(--light-text);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-detail-item.hoverable {
    padding: 10px;
    margin: -10px;
    border-radius: var(--radius-sm);
}

.contact-detail-item.hoverable:hover {
    background-color: var(--light-bg);
}

.contact-icon-wrapper {
    width: 50px;
    height: 50px;
    background-color: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--secondary);
}

.contact-detail-title {
    font-family: var(--font-body);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-detail-text {
    color: var(--light-text);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary);
    font-size: 0.95rem;
}

.required {
    color: var(--error-color);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--dark-text);
    background-color: var(--light-bg);
    transition: var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--secondary);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.1);
}

.form-control.error {
    border-color: var(--error-color);
    background-color: #fff8f8;
}

.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    margin-top: 10px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.form-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    background-color: #e8f5e9;
    color: var(--success-color);
    border: 1px solid #c8e6c9;
    display: block;
}

.form-status.error {
    background-color: #ffebee;
    color: var(--error-color);
    border: 1px solid #ffcdd2;
    display: block;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--primary);
    color: var(--white);
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    max-width: 350px;
}

.footer-title {
    color: var(--white);
    font-family: var(--font-body);
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-list i {
    color: var(--secondary);
    font-size: 1.2rem;
    margin-top: 3px;
}

.footer-contact-list a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-list a:hover {
    color: var(--white);
}

.footer-bottom {
    background-color: #0d2c27;
    padding: 20px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    z-index: 99;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    transform: translateY(20px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--secondary);
    color: var(--white);
    transform: translateY(-5px);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide.active .fade-up {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
/* Tablet (768px - 1199px) */
@media (max-width: 1199px) {
    :root {
        --font-size-base: 15px;
    }

    .slide-title {
        font-size: 3.5rem;
    }

    .hero-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-card:nth-child(even) {
        border-right: none;
    }
    
    .feature-card:nth-child(1),
    .feature-card:nth-child(2) {
        border-bottom: 1px solid var(--border-color);
    }

    .about {
        padding-top: 250px;
    }

    .about-container {
        gap: 40px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        gap: 40px;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

/* Mobile (Below 768px) */
@media (max-width: 767px) {
    .desktop-only {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .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);
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--primary);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 30px 40px;
        transition: right var(--transition-medium);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    }

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

    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 20px;
    }

    .nav-link {
        font-size: 1.2rem;
        display: block;
        width: 100%;
    }
    
    .header.scrolled .nav-menu {
        background-color: var(--white);
    }
    
    .header.scrolled .nav-menu .nav-link {
        color: var(--primary);
    }

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

    .slider-control {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .slider-control.prev {
        left: 10px;
    }

    .slider-control.next {
        right: 10px;
    }

    .hero-features-container {
        position: relative;
        transform: none;
        bottom: auto;
        left: auto;
        padding: 0;
        margin-top: -50px;
    }

    .hero-features {
        grid-template-columns: 1fr;
        border-radius: 0;
        box-shadow: none;
    }

    .feature-card {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .feature-card:last-child {
        border-bottom: none;
    }

    .about {
        padding-top: 60px;
    }

    .about-container {
        grid-template-columns: 1fr;
    }
    
    .about-image-wrapper {
        order: 2;
        margin-top: 20px;
    }
    
    .about-content {
        order: 1;
    }

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

    .cta {
        padding: 80px 0;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: 30px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}