body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: #f4f4f4; }


:root {
    /* Colors */
    --color-bg-main: #000000; /* Kept but not directly used for body background */
    --color-bg-gradient: linear-gradient(135deg, #f5f5f5 0%, #a7c5bd 50%, #4e9f3d 100%); /* Light Gray -> Teal/Mint -> Dark Green */
    --color-navbar-bg: #4e9f3d; /* Dark Green */
    --color-navbar-border: rgba(238, 238, 238, 0.3); /* Light border */
    --color-primary: #a7c5bd; /* Teal/Mint */
    --color-secondary: #4e9f3d; /* Dark Green */
    --color-highlight: #ffb347; /* Orange/Amber */
    --color-highlight-light: #ffd59e; /* Light Orange/Peach */
    --color-card-bg: rgba(255, 255, 255, 0.95); /* Almost opaque white for cards */
    --color-card-border: rgba(0, 0, 0, 0.1); /* Subtle black border */
    --color-card-border-hover: rgba(78, 159, 61, 0.5); /* Vibrant green on hover (from secondary) */
    --color-card-shadow: rgba(0, 0, 0, 0.2); /* Dark shadow for depth */
    --color-overlay-gradient: linear-gradient(135deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)); /* Dark overlay for hero text */
    --color-footer-bg: #333333; /* Dark gray footer */
    --color-footer-border: rgba(255, 255, 255, 0.1); /* Light border for footer */
    --color-footer-link: #cccccc; /* Light gray footer links */
    --color-footer-link-hover: #ffb347; /* Orange hover for footer links */
    --color-text-main: #333333; /* Dark gray for main text (on light backgrounds) */
    --color-text-secondary: #808080; /* Medium gray for secondary text */
    --color-text-accent: #ffb347; /* Orange accent text */

    --color-btn-primary: linear-gradient(135deg, var(--color-highlight), var(--color-highlight-light)); /* Orange gradient button */
    --color-btn-primary-bg: var(--color-highlight);
    --color-btn-primary-bg-hover: var(--color-highlight-light);
    --color-btn-primary-text: #2c3e50; /* Dark text on primary button */

    --color-btn-secondary-bg: transparent;
    --color-btn-secondary-border: var(--color-secondary); /* Dark green border */
    --color-btn-secondary-text: var(--color-secondary); /* Dark green text */
    --color-btn-secondary-hover-bg: var(--color-secondary); /* Dark green hover background */
    --color-btn-secondary-hover-text: #ffffff; /* White text on hover */

    --color-feature-icon-bg: linear-gradient(135deg, var(--color-primary), var(--color-highlight)); /* Teal to Orange gradient for icons */
    --color-feature-card-bg: rgba(255, 255, 255, 0.95);
    --color-feature-card-border: rgba(0, 0, 0, 0.1);
    --color-feature-card-border-hover: rgba(78, 159, 61, 0.5); /* Green hover */
    --color-feature-card-shadow: rgba(0, 0, 0, 0.2);
    --color-feature-card-before: linear-gradient(135deg, rgba(78, 159, 61, 0.1), rgba(78, 159, 61, 0.1)); /* Green shine effect */

    --color-testimonial-card-bg: rgba(255, 255, 255, 0.95);
    --color-testimonial-card-border: rgba(0, 0, 0, 0.1);
    --color-testimonial-card-border-hover: rgba(78, 159, 61, 0.5); /* Green hover */
    --color-testimonial-card-shadow: rgba(0, 0, 0, 0.2);
    --color-testimonial-quote: rgba(78, 159, 61, 0.3); /* Green quote mark */
    --color-author-border: rgba(78, 159, 61, 0.3); /* Green author border */

    --color-cta-bg: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%); /* Teal to Dark Green CTA background */
    --color-cta-btn-primary-bg: var(--color-highlight);
    --color-cta-btn-primary-bg-hover: var(--color-highlight-light);
    --color-cta-btn-primary-text: #2c3e50;
    --color-cta-btn-secondary-bg: transparent;
    --color-cta-btn-secondary-border: #ffffff; /* White border for CTA secondary btn */
    --color-cta-btn-secondary-text: #ffffff; /* White text for CTA secondary btn */
    --color-cta-btn-secondary-hover-bg: #ffffff;
    --color-cta-btn-secondary-hover-text: var(--color-secondary); /* Dark green text on hover */

    /* Font Families */
    --font-main: 'Poppins', sans-serif;
    --font-title: 'Playfair Display', serif;

    /* Font Sizes */
    --font-size-main-title: 4rem;
    --font-size-main-title-md: 2.5rem;
    --font-size-main-title-sm: 2rem;
    --font-size-section-header: 3rem;
    --font-size-section-header-sm: 2rem;
    --font-size-card-title: 1.5rem;
    --font-size-testimonial: 1.1rem;
    --font-size-btn: 1rem;
    --font-size-btn-sm: 0.9rem;
    --font-size-cta-title: 3rem;
    --font-size-cta-title-sm: 2rem;
    --font-size-cta-text: 1.2rem;
    --font-size-nav-logo: 1.5rem;
    --font-size-author: 0.9rem;

    /* Spacing */
    --spacing-container: 0 2rem;
    --spacing-container-sm: 0 1rem;
    --spacing-section: 6rem 0;
    --spacing-card: 2rem;
    --spacing-card-lg: 2.5rem;
    --spacing-btn: 1rem 2rem;
    --spacing-btn-sm: 0.8rem 1.5rem;
    --spacing-card-cta: 0.8rem 1.5rem;
    --spacing-footer: 3rem 0 1rem;
    --spacing-footer-bottom: 2rem;

    /* Border Radius */
    --radius-card: 20px;
    --radius-btn: 50px;
    --radius-feature-icon: 50%;
    --radius-author: 50%;

    /* Other */
    --transition-main: all 0.3s ease;
    --transition-btn: left 0.5s; /* For shine effect */
    --transition-card-shine: left 0.5s; /* For shine effect */
    --z-navbar: 1000;
    --z-hero: 2;
    --z-hero-bg: 1;
}

/* Base styles */
body {
    font-family: var(--font-main);
    color: var(--color-text-main); /* Default text color for light backgrounds */
    background: var(--color-bg-gradient); /* New gradient background */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden; /* Prevent horizontal scroll due to transitions */
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    color: var(--color-text-main);
}

section {
    padding: var(--spacing-section) var(--spacing-container);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%; /* Ensure sections take full width within container */
}
@media (max-width: 768px) {
    section {
        padding: var(--spacing-section) var(--spacing-container-sm);
    }
}

/* Custom Utility Classes based on variables */
.text-main { color: var(--color-text-main); }
.text-secondary { color: var(--color-text-secondary); }
.text-accent { color: var(--color-text-accent); }
.text-highlight { color: var(--color-highlight); }

.btn-primary {
    background: var(--color-btn-primary);
    color: var(--color-btn-primary-text);
    padding: var(--spacing-btn);
    border-radius: var(--radius-btn);
    font-weight: 600;
    transition: var(--transition-main);
    position: relative;
    overflow: hidden;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-btn);
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3); /* White shine */
    transform: skewX(-20deg);
    transition: var(--transition-btn);
    z-index: -1;
}
.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background-color: var(--color-btn-secondary-bg);
    color: var(--color-btn-secondary-text); /* Adjusted for light background */
    border: 2px solid var(--color-btn-secondary-border); /* Adjusted for light background */
    padding: var(--spacing-btn);
    border-radius: var(--radius-btn);
    font-weight: 600;
    transition: var(--transition-main);
    font-size: var(--font-size-btn);
}
.btn-secondary:hover {
    background-color: var(--color-btn-secondary-hover-bg);
    color: var(--color-btn-secondary-hover-text); /* Adjusted for light background */
    border-color: var(--color-btn-secondary-hover-bg);
}

@media (max-width: 640px) {
    .btn-primary, .btn-secondary {
        padding: var(--spacing-btn-sm);
        font-size: var(--font-size-btn-sm);
    }
}

/* Card styles */
.card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-card);
    box-shadow: 0 8px 16px var(--color-card-shadow);
    padding: var(--spacing-card);
    transition: var(--transition-main);
    position: relative;
    overflow: hidden;
}
.card:hover {
    border-color: var(--color-card-border-hover); /* Optimized color */
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3); /* Slightly stronger shadow on hover */
}
.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--color-feature-card-before); /* Optimized color */
    transform: rotate(45deg);
    opacity: 0;
    transition: var(--transition-card-shine);
    z-index: 0;
}
.card:hover::before {
    opacity: 1;
    left: -10%;
    top: -10%;
}
.card > * {
    position: relative;
    z-index: 1;
}

/* Feature card specific styles (icons) */
.feature-icon-bg {
    background: var(--color-feature-icon-bg);
    border-radius: var(--radius-feature-icon);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    font-size: 2rem;
    color: var(--color-text-main); /* Should be white for contrast on gradient */
    color: white; /* Override to white for icons on dark gradient */
}

/* Testimonial specific styles */
.testimonial-quote-bg {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 5rem;
    color: var(--color-testimonial-quote); /* Optimized color */
    line-height: 1;
    z-index: 0;
    opacity: 0.8; /* Slight opacity */
}
.author-img {
    border: 3px solid var(--color-author-border); /* Optimized color */
    border-radius: var(--radius-author);
    object-fit: cover;
}

/* Hero Section Specific Styles */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: var(--color-bg-gradient); /* Ensure gradient is visible if image is not covering fully */
    z-index: var(--z-hero);
    padding: var(--spacing-container);
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://placehold.co/1920x1080/4e9f3d/ffffff/png?text=Event+Decorations') no-repeat center center/cover; /* Updated placeholder image color */
    opacity: 0.3; /* Adjust based on image and overlay */
    z-index: var(--z-hero-bg);
}
.hero-section::after { /* Overlay gradient for text readability */
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-overlay-gradient);
    z-index: var(--z-hero-bg);
    opacity: 0.7; /* Adjust for desired darkness/coloration */
}
.hero-content {
    position: relative;
    z-index: var(--z-hero);
    max-width: 900px;
    color: white; /* Ensure hero text is white on dark overlay */
}
.hero-title {
    font-size: var(--font-size-main-title);
    line-height: 1.1;
    color: white; /* Explicitly set for hero */
}
@media (max-width: 1024px) {
    .hero-title { font-size: var(--font-size-main-title-md); }
}
@media (max-width: 768px) {
    .hero-title { font-size: var(--font-size-main-title-sm); }
}

/* Navbar specific styles */
.navbar {
    background-color: var(--color-navbar-bg);
    border-bottom: 1px solid var(--color-navbar-border);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: var(--z-navbar);
}
.nav-link {
    color: white; /* Explicitly set to white for contrast on dark green navbar */
    transition: var(--transition-main);
    position: relative;
    padding: 0.5rem 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-highlight); /* Highlight color for nav link hover */
    transition: width 0.3s ease-in-out;
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}
.navbar .font-title {
    color: white; /* Ensure logo text is white on dark navbar */
}

/* Mobile Menu */
#mobile-menu {
    transition: transform 0.3s ease-in-out;
    transform: translateX(100%);
    position: fixed;
    top: 0;
    right: 0;
    width: 70%;
    height: 100%;
    background-color: var(--color-navbar-bg); /* Use navbar background for consistency */
    backdrop-filter: blur(15px);
    padding-top: 4rem; /* Space for close button */
    z-index: var(--z-navbar) - 1; /* Below the header, above content */
}
#mobile-menu.open {
    transform: translateX(0);
}
#mobile-menu .nav-link {
    color: white; /* Ensure mobile nav links are white */
}
#mobile-menu-button, #close-mobile-menu {
    color: white; /* Ensure mobile menu icons are white */
}


/* Footer */
.footer-section {
    background-color: var(--color-footer-bg);
    border-top: 1px solid var(--color-footer-border);
    padding: var(--spacing-footer);
    font-family: var(--font-main);
    color: var(--color-text-secondary);
    text-align: center;
}
.footer-link {
    color: var(--color-footer-link);
    transition: var(--transition-main);
}
.footer-link:hover {
    color: var(--color-footer-link-hover);
}
.footer-section .font-title {
    color: white; /* Ensure footer logo is white */
}

/* Section Headers */
.section-header {
    font-size: var(--font-size-section-header);
    margin-bottom: 2rem;
    color: var(--color-text-main); /* Dark gray on light background */
    text-align: center;
}
@media (max-width: 768px) {
    .section-header {
        font-size: var(--font-size-section-header-sm);
    }
}