/* CSS Variables */
:root {
    --color-bg-primary: hsl(210, 10%, 8%); /* Dark background */
    --color-bg-secondary: hsl(210, 8%, 15%); /* Slightly lighter dark */
    --color-accent: hsl(35, 80%, 60%); /* Gold/Copper */
    --color-text-light: hsl(0, 0%, 90%); /* Off-white */
    --color-text-muted: hsl(0, 0%, 60%); /* Grayish text */
    --color-border: hsl(210, 5%, 25%);

    --font-heading: 'Poppins', sans-serif; /* Preferred, fallback to sans-serif */
    --font-body: 'Open Sans', sans-serif; /* Preferred, fallback to sans-serif */

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    --border-radius-sm: 5px;
    --border-radius-md: 10px;

    --transition-speed: 0.3s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-light);
    background-color: var(--color-bg-primary);
    line-height: 1.6;
    overflow-x: hidden; /* Prevent horizontal scroll due to animations */
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-light);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--color-text-light);
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden; /* For scroll reveal */
}

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

.section-header h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -10px;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    border-radius: var(--border-radius-sm);
}

.section-subheader {
    font-size: 1.25rem;
    color: var(--color-text-muted);
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 1;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Header & Navigation */
.main-header {
    background: rgba(var(--color-bg-primary-rgb, 23, 25, 29), 0.8); /* Using custom property for transparency */
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px); /* Glassmorphism effect */
    -webkit-backdrop-filter: blur(10px);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--color-accent), var(--color-text-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: var(--color-accent); /* Fallback for browsers not supporting text gradient */
    text-shadow: 0 0 5px rgba(228, 149, 58, 0.5); /* RGB for accent needed for text-shadow */
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-menu a {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-light);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-speed);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-text-light);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed);
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8)), url('images/image_11.jpg') center center / cover no-repeat fixed;
    position: relative;
    overflow: hidden;
    animation: zoomBackground 60s infinite alternate ease-in-out;
}

@keyframes zoomBackground {
    0% { background-size: 100% 100%; }
    100% { background-size: 110% 110%; } /* Subtle zoom */
}

.hero-content {
    max-width: 900px;
    padding: var(--spacing-md);
    animation: fadeInScale 1s ease-out forwards;
}

.hero-content h1 {
    font-size: 5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(45deg, var(--color-accent) 0%, var(--color-text-light) 50%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: var(--color-accent); /* Fallback */
    animation: gradientShift 4s ease-in-out infinite alternate;
    background-size: 200% 100%; /* For gradientShift animation */
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.hero-content p {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
    text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

@keyframes fadeInScale {
    0% { opacity: 1; transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1); }
}

/* About Section */
.about-section {
    background-color: var(--color-bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image img {
    border-radius: var(--border-radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    transform: rotateY(-5deg) rotateX(5deg) scale(1.02); /* Subtle 3D tilt */
    transition: transform 0.5s ease-in-out;
}

.about-image img:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.05);
}

.about-text p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

/* Vision Section */
.vision-section {
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    padding-bottom: var(--spacing-xl);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.vision-item {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.vision-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.vision-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
    filter: brightness(0.8) contrast(1.1);
    transition: filter var(--transition-speed);
}
.vision-item:hover img {
    filter: brightness(1) contrast(1);
}

.vision-item h3 {
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.vision-item p {
    color: var(--color-text-muted);
}

/* Showcase Section */
.showcase-section {
    background-color: var(--color-bg-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    cursor: default; /* Make it clear it's not clickable */
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-speed), filter var(--transition-speed);
    filter: brightness(0.7);
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: brightness(1);
}

.gallery-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    padding: var(--spacing-md);
    transform: translateY(100%);
    transition: transform var(--transition-speed);
}

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

.gallery-item .overlay h3 {
    color: var(--color-accent);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
}

.gallery-item .overlay p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* Services Section */
.services-section {
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
    transition: background-color var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
}

.service-card:hover {
    background-color: var(--color-bg-secondary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.service-card h3 {
    color: var(--color-accent);
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-text-muted);
}

/* Expertise Section */
.expertise-section {
    background-color: var(--color-bg-primary);
}

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

.expertise-item {
    background: var(--color-bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
    transition: all var(--transition-speed);
}

.expertise-item:hover {
    background: linear-gradient(45deg, var(--color-bg-secondary), var(--color-bg-primary));
    transform: scale(1.03);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.expertise-icon {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    line-height: 1; /* Adjust to prevent extra space */
}

.expertise-item h3 {
    font-size: 1.4rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.expertise-item p {
    color: var(--color-text-muted);
}

/* Footer */
.main-footer {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-light);
    padding: var(--spacing-lg) 0 var(--spacing-md) 0;
    font-size: 0.9rem;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-brand, .footer-links, .footer-social {
    flex: 1;
    min-width: 200px;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(90deg, var(--color-accent), var(--color-text-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: var(--color-accent); /* Fallback */
}

.footer-brand p {
    color: var(--color-text-muted);
}

.footer-links h4, .footer-social h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.footer-links ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a, .footer-social a {
    color: var(--color-text-muted);
    transition: color var(--transition-speed);
}

.footer-links a:hover, .footer-social a:hover {
    color: var(--color-text-light);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}

.social-icons a:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
}

/* Media Queries for Responsiveness */
@media (max-width: 992px) {
    .nav-menu {
        gap: var(--spacing-md);
    }

    .hero-content h1 {
        font-size: 4rem;
    }

    .hero-content p {
        font-size: 1.25rem;
    }

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

    .about-image {
        order: -1; /* Image first on mobile */
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0 var(--spacing-sm);
    }

    .nav-toggle {
        display: flex;
        z-index: 1001; /* Ensure toggle is above menu */
    }

    .nav-menu {
        flex-direction: column;
        position: absolute;
        top: 100%; /* Position below header */
        left: 0;
        width: 100%;
        background-color: var(--color-bg-primary);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        padding: var(--spacing-md) 0;
        transform: translateY(-100%) scaleY(0);
        transform-origin: top;
        transition: transform 0.4s ease-in-out, opacity 0.4s ease-in-out;
        opacity: 1;
        visibility: hidden;
    }

    .nav-menu.active {
        transform: translateY(0) scaleY(1);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        text-align: center;
        margin: var(--spacing-xs) 0;
    }

    .nav-menu a {
        padding: var(--spacing-sm) 0;
        display: block;
        font-size: 1.2rem;
    }
    .nav-menu a::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 2.2rem;
    }

    .section-subheader {
        font-size: 1rem;
    }

    .vision-item, .service-card, .expertise-item {
        padding: var(--spacing-md);
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-brand, .footer-links, .footer-social {
        margin-bottom: var(--spacing-lg);
    }

    .footer-links ul {
        padding: 0;
    }

    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .logo {
        font-size: 1.5rem;
    }
}

/* Nav Toggle Animation for "X" */
.nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}
.nav-toggle.active .bar:nth-child(2) {
    opacity: 1;
}
.nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}


javascript
/* Visible state helpers */
+ .animate-fade-in-up.visible,
+ .animate-fade-in-left.visible,
+ .animate-fade-in-right.visible,
+ .animate-bounce-y.visible,
+ .section-scroll-animate.visible,
+ .text-animate-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Safe visibility overrides (auto-added) */
:root, html, body, main, header, footer, section, .container, .content {
  opacity: 1 !important;
  visibility: visible !important;
}