/*
  Reset
*/
*, *::before, *::after {
    box-sizing: border-box;
}
* {
    margin: 0;
}
ul, ol {
    list-style: none;
    padding: 0%;
}
a {
    text-decoration: none;
}
body {
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}
input, button, textarea, select {
    font: inherit;
}
h1, h2, h3, h4, h5, h6 {
    text-wrap: balance;
}

/*
  Custom Properties
*/
:root {
    /* Base Colors */
    --primaryColor: #184059;      /* Deep blue */
    --secondaryColor: #3C2A10;    /* Dark brown */
    --highlightColor: #4F7D99;    /* Light blue */
    --secondaryHighlightColor: #B48B54;  /* Darker gold/brown for better contrast */
    --tertiaryColor: #A7C6D9;     /* Pale blue */
    
    /* Light Theme Colors (default) */
    --clr-primary: var(--primaryColor);
    --clr-secondary: var(--highlightColor);
    --clr-accent: var(--secondaryHighlightColor);
    --clr-background: #ffffff;
    --clr-surface: #f8f9fa;
    --clr-text: var(--primaryColor);
    --clr-text-light: var(--highlightColor);
    --clr-border: #e9ecef;
    --clr-shadow: rgba(24, 64, 89, 0.1);
    
    /* Typography */
    --ff-primary: 'Inter', system-ui, sans-serif;
    --ff-heading: 'Montserrat', system-ui, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    
    /* Container */
    --container-width: 1200px;
    --container-padding: var(--space-md);

    /* Transitions */
    --transition-color: color 0.3s ease;
    --transition-background: background-color 0.3s ease;
    --transition-transform: transform 0.3s ease;
    --transition-all: all 0.3s ease;

    /* Border Radius */
    --border-radius: var(--space-md);
    --border-radius-small: var(--space-sm);
    --border-radius-large: var(--space-lg);
}

/* Dark Theme */
[data-theme="dark"] {
    --clr-primary: var(--tertiaryColor);
    --clr-secondary: var(--highlightColor);
    --clr-accent: var(--secondaryHighlightColor);
    --clr-background: #1a1f25;
    --clr-surface: #242932;
    --clr-text: var(--tertiaryColor);
    --clr-text-light: var(--highlightColor);
    --clr-border: #2d3541;
    --clr-shadow: rgba(0, 0, 0, 0.2);
}

/* Theme Toggle Styles */
.theme-toggle-wrapper {
    display: flex;
    align-items: center;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 2rem;
    transition: var(--transition-background);
    width: 2.5rem;
    height: 2.5rem;
}

.theme-toggle-track {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 0;
    width: 100%;
    height: 100%;
}

.theme-toggle-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--clr-text-light);
    transition: var(--transition-color), var(--transition-transform);
}

.theme-toggle:hover {
    background-color: var(--clr-surface);
}

.theme-toggle:hover .theme-toggle-icon {
    color: var(--clr-accent);
}

[data-theme="dark"] .theme-toggle-icon.moon,
[data-theme="light"] .theme-toggle-icon.sun {
    color: var(--clr-accent);
}

[data-theme="dark"] .theme-toggle-icon.sun,
[data-theme="light"] .theme-toggle-icon.moon {
    display: none;
}

/* Hover and Focus States */
.theme-toggle:focus-visible {
    outline: 2px solid var(--clr-accent);
    outline-offset: 2px;
}

/*
  Base Styles
*/
body {
    font-family: var(--ff-primary);
    color: var(--clr-text);
    background-color: var(--clr-background);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--ff-heading);
    line-height: 1.2;
    color: var(--clr-primary);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-all);
}

.btn-primary {
    background-color: var(--clr-accent);
    color: var(--clr-background);
}

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

.btn-primary:active {
    transform: translateY(0);
}

/* Header & Navigation */
.nav {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
}

.logo {
    font-family: var(--ff-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-primary);
}

/* Hamburger Menu */
.nav-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.hamburger {
    display: block;
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--clr-text);
    transition: var(--transition-all)
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--clr-text);
    transition: var(--transition-all)
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    top: 6px;
}

/* Hamburger Animation */
.hamburger.active {
    background: transparent;
}

.hamburger.active::before {
    top: 0;
    transform: rotate(45deg);
}

.hamburger.active::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile menu (closed by default) */
.nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--clr-background);
}

/* When nav is open */
.nav-links.active {
    display: block;
    z-index: 1000;
}

.nav-list {
    padding: 0;
    margin: 0;
}

.nav-link {
    display: block;
    padding: 0.5rem 0;
    color: var(--clr-text);
    font-weight: 500;
    text-align: center;
}

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

/* Hero Section */
.hero {
    position: relative;
    height: calc(100vh - var(--header-height));
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--clr-text-light);
    width: 100%;
    display: flex;
    justify-content: flex-end;
    padding-right: var(--space-lg);
}

.hero-text {
    max-width: 600px;
    background-color: rgba(0, 0, 0, 0.7);
    padding: var(--space-md);
    border-radius: var(--border-radius);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    opacity: 0.9;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.2));
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Portfolio Section */
.portfolio {
    padding: var(--space-xs) 0;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0 var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--clr-accent);
    border-radius: var(--border-radius);
    background: none;
    color: var(--clr-text);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-all);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--clr-accent);
    color: var(--clr-background);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-md);
    padding: 0 var(--space-md);
}

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-transform)
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--clr-background);
    padding: var(--space-md);
    color: var(--clr-text-light);
    transform: translateY(100%);
    transition: var(--transition-transform);
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

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

.portfolio-overlay h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
}

.portfolio-overlay p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Hide filtered items */
.portfolio-item[style*="none"] {
    display: none;
}

/* Make portfolio items clickable */
.portfolio-item {
    cursor: pointer;
}

/* About Section */
.about {
    padding: var(--space-xl) 0;
    background-color: var(--clr-background);
}

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

.materials {
    margin-top: var(--space-lg);
    text-align: center;
}

.materials-list {
    margin-top: var(--space-sm);
}

.materials-list li {
    margin-bottom: var(--space-sm);
}

/* Contact Section */
.contact {
    padding: var(--space-xs) 0;
    background-color: var(--clr-background);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.contact-form {
    display: grid;
    gap: var(--space-md);
}

.form-group {
    display: grid;
    gap: var(--space-xs);
}

.form-group label {
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: var(--space-sm);
    border: 1px solid var(--clr-text-light);
    border-radius: 4px;
    background-color: var(--clr-background);
    color: var(--clr-text);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    margin-top: var(--space-md);
}

/* Form Notice */
/* Form is currently unavailable */
.form-notice {
    background-color: var(--clr-bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
    border: 1px solid var(--clr-border);
}

.form-notice p {
    margin: 0;
    color: var(--clr-text);
}

/* Disable Form Elements */
input:disabled,
textarea:disabled,
button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}


/* Social Links */
.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-links a {
    color: var(--clr-text);
    text-decoration: none;
    transition: var(--transition-color) ;
}

.social-links a:hover {
    color: var(--clr-accent);
}

.social-links i {
    font-size: 24px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Footer */
.footer {
    background-color: var(--clr-surface);
    border-top: 1px solid var(--clr-border);
    padding: var(--space-md) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    text-align: center;
    gap: var(--space-md);
    min-height: 3rem;
}

.footer-content p {
    margin: 0;
    line-height: 1;
}

.footer-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-lg);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    padding: var(--space-lg);
    box-sizing: border-box;
}

.lightbox.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.lightbox img {
    max-height: 80vh;
    max-width: 90vw;
    object-fit: contain;
}

.lightbox-caption {
    color: var(--clr-text-light);
    margin-top: var(--space-md);
    font-size: var(--text-md);
    width: min(90vw, var(--lightbox-img-width, 90vw));
    margin-left: auto;
    margin-right: auto;
}

.lightbox-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: none;
    border: none;
    color: var(--clr-text-light);
    font-size: 2rem;
    cursor: pointer;
    padding: var(--space-sm);
    line-height: 1;
    transition: var(--transition-transform);
}

.lightbox-close:hover {
    transform: scale(1.1);
}

/* Lightbox Navigation */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: var(--clr-text-light);
    border: none;
    padding: 1rem 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    transition: background-color 0.3s;
    z-index: 1001;
}

.lightbox-nav:hover {
    background: rgba(0, 0, 0, 0.8);
}

.lightbox-nav.prev {
    left: 1rem;
}

.lightbox-nav.next {
    right: 1rem;
}

/* Media Queries */
@media (min-width: 768px) {
    .contact-content {
        grid-template-columns: 2fr 1fr;
    }
    
    .footer-content {
        flex-direction: row;
    }
    
    .footer-controls {
        gap: var(--space-lg);
    }
    
    .about-content {
        grid-template-columns: 1fr 1fr;
    }

    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--space-lg);
    }

    .nav-toggle {
        display: none; /* Hide hamburger on larger screens */
    }

    .nav-links {
        display: block; /* Always show nav links */
        position: static; /* Reset position */
        padding: 0;
        box-shadow: none;
        background: none;
    }

    .nav-list {
        display: flex;
        gap: 2rem;
    }

    .nav-link {
        padding: 0;
    }
}