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

:root {
    /* Color Palette */
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --accent-color: #f39c12;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #34495e;
    --border-color: #e9ecef;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-dark: rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-primary: 'Playfair Display', serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

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

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

/* ========================================
   LOADING SCREEN
======================================== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--bg-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    color: var(--text-white);
}

.loader-content h2 {
    font-family: var(--font-primary);
    font-size: 2rem;
    margin-top: var(--spacing-sm);
    opacity: 0.9;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========================================
   NAVIGATION
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-normal);
    box-shadow: 0 2px 20px var(--shadow-light);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px var(--shadow-medium);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo h1 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

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

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
    background-color: rgba(231, 76, 60, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle .bar {
    width: 24px;
    height: 3px;
    background-color: var(--primary-color);
    transition: all var(--transition-normal);
    border-radius: var(--radius-sm);
}

.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    transform: scale(1.1);
    animation: heroZoom 20s infinite linear;
}

.hero-slide.active {
    opacity: 1;
}

@keyframes heroZoom {
    0%, 100% { transform: scale(1.1); }
    50% { transform: scale(1.2); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(44, 62, 80, 0.8),
        rgba(52, 73, 94, 0.6),
        rgba(231, 76, 60, 0.3)
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--text-white);
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.5s;
}

.hero-title .highlight {
    color: var(--accent-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.8s;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 1.1s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), #c0392b);
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border-color: var(--text-white);
}

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

/* Hero Indicators */
.hero-indicators {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-xs);
    z-index: 3;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.indicator.active {
    background: var(--accent-color);
    transform: scale(1.2);
}

/* ========================================
   SECTION STYLING
======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.section-title::after {
    content: '';
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    display: block;
    margin: var(--spacing-sm) auto 0;
    border-radius: var(--radius-sm);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   ABOUT SECTION
======================================== */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

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

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.about-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--text-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 5px 15px var(--shadow-light);
    transition: all var(--transition-normal);
}

.about-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-medium);
}

.about-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
}

.about-info h3 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.about-info p {
    color: var(--text-light);
    line-height: 1.7;
}

.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-medium);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-image:hover img {
    transform: scale(1.05);
}

/* ========================================
   SERVICES SECTION
======================================== */
.services {
    padding: var(--spacing-xl) 0;
    background: var(--text-white);
}

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

.service-card {
    background: var(--text-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow-light);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px var(--shadow-medium);
    border-color: var(--accent-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--bg-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    color: var(--text-white);
    font-size: 2rem;
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    transform: scale(1.1);
}

.service-card h3 {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.service-card ul {
    list-style: none;
    text-align: left;
}

.service-card li {
    color: var(--text-light);
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-sm);
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* ========================================
   GALLERY SECTION
======================================== */
.gallery {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.gallery-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--text-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-dark);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

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

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-light);
    transition: all var(--transition-normal);
    opacity: 1;
    transform: scale(1);
}

.gallery-item.hide {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-medium);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        transparent 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding: var(--spacing-md);
    color: var(--text-white);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.gallery-overlay h3 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

.gallery-overlay p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.view-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--accent-color);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.view-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
}

/* ========================================
   CONTACT SECTION
======================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--text-white);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 15px var(--shadow-light);
}

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--bg-dark));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.2rem;
}

.contact-details h3 {
    font-family: var(--font-primary);
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--text-light);
    line-height: 1.6;
}

.contact-form {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 25px var(--shadow-light);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-secondary);
    transition: all var(--transition-fast);
    background: var(--text-white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   FOOTER
======================================== */
.footer {
    background: linear-gradient(135deg, var(--primary-color), var(--bg-dark));
    color: var(--text-white);
    padding: var(--spacing-xl) 0 var(--spacing-sm);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    font-family: var(--font-primary);
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}

.footer-section p {
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: var(--text-white);
    text-decoration: none;
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--accent-color);
    padding-left: var(--spacing-xs);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ========================================
   LIGHTBOX
======================================== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--text-white);
    font-size: 2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

#lightbox-image {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-lg);
        transition: left var(--transition-normal);
    }

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

    .nav-toggle {
        display: flex;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-image {
        order: -1;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .gallery-filter {
        gap: var(--spacing-xs);
    }

    .filter-btn {
        font-size: 0.9rem;
        padding: var(--spacing-xs);
    }

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

    .hero-content {
        padding: 0 var(--spacing-sm);
    }

    .container {
        padding: 0 var(--spacing-xs);
    }
}

/* ========================================
   ANIMATIONS & EFFECTS
======================================== */
/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Parallax effect for sections */
@media (min-width: 769px) {
    .parallax {
        background-attachment: fixed;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
    }
}

/* Hover effects for interactive elements */
.interactive-hover {
    transition: all var(--transition-normal);
}

.interactive-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-medium);
}

/* Text gradient effect */
.gradient-text {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Pulse animation for call-to-action elements */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(231, 76, 60, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0);
    }
}