/* =========================================
   CSS Variables & Reset
========================================= */
:root {
    /* Color Palette - Premium Dark Theme with Metallic Accents */
    --bg-dark: #0a0a0c;
    --bg-darker: #050506;
    --bg-card: #151518;
    --text-main: #f0f0f0;
    --text-muted: #a0a0a5;
    
    /* Accents */
    --accent-gold: #c5a059;   /* Wood/Premium feel */
    --accent-steel: #8b929e;  /* Iron/Aluminium feel */
    
    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #c5a059 0%, #d4b572 100%);
    --gradient-dark: linear-gradient(135deg, rgba(21,21,24,0.9) 0%, rgba(10,10,12,0.95) 100%);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --trans-fast: 0.3s ease;
    --trans-smooth: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px; /* Accounts for fixed navbar */
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

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

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

/* =========================================
   Typography & Utilities
========================================= */
.divider {
    width: 60px;
    height: 3px;
    background: var(--accent-gold);
    margin: 20px 0;
    border-radius: 2px;
}

.divider.center {
    margin: 20px auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* =========================================
   Buttons
========================================= */
.btn-primary, .btn-outline {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--bg-dark);
    border: none;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.2);
    transition: var(--trans-smooth);
    z-index: -1;
}

.btn-primary:hover::before {
    left: 0;
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 2px solid var(--accent-steel);
}

.btn-outline:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* =========================================
   Navbar
========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 16px 0;
    background: transparent;
    transition: var(--trans-smooth);
    z-index: 1000;
}

.navbar.scrolled {
    background: rgba(10, 10, 12, 0.95);
    padding: 10px 0;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 85px;
    width: auto;
    object-fit: contain;
    border-radius: 6px;
    display: block;
    mix-blend-mode: screen;
    filter: brightness(1.15) contrast(1.1);
    transition: var(--trans-smooth);
}

.logo:hover img {
    transform: scale(1.03);
}

.footer-logo img {
    height: 95px;
    width: auto;
    object-fit: contain;
    border-radius: 6px;
    display: block;
    mix-blend-mode: screen;
    filter: brightness(1.15) contrast(1.1);
}

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

.nav-links li a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    position: relative;
}

.nav-links li a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--trans-fast);
}

.nav-links li a:not(.btn-primary):hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* =========================================
   Hero Section
========================================= */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    will-change: transform;
    animation: zoomInOut 20s infinite alternate linear;
}

@keyframes zoomInOut {
    0% { transform: scale(1) translateZ(0); }
    100% { transform: scale(1.1) translateZ(0); }
}

.hero-bg .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(5,5,6,0.9) 0%, rgba(5,5,6,0.4) 100%);
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-content h1 span {
    color: var(--accent-gold);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

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

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

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

.features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.features li i {
    color: var(--accent-gold);
    font-size: 1.2rem;
}

.about-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    will-change: transform;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-gold);
    color: var(--bg-dark);
    padding: 30px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 150px;
    box-shadow: 0 10px 30px rgba(197, 160, 89, 0.3);
    border: 5px solid var(--bg-dark);
}

.experience-badge .number {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 700;
    text-align: center;
}

/* =========================================
   Services Section
========================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
    will-change: transform, box-shadow;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--trans-smooth);
}

.service-card:hover {
    transform: translateY(-10px) translateZ(0);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
    border-color: rgba(255,255,255,0.1);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: rgba(197, 160, 89, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    font-size: 2rem;
    transition: var(--trans-smooth);
}

.service-card:hover .icon-wrapper {
    background: var(--accent-gold);
    color: var(--bg-dark);
    transform: rotateY(360deg);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* =========================================
   Portfolio Section
========================================= */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-main);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
    transition: var(--trans-fast);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--accent-gold);
    color: var(--bg-dark);
    border-color: var(--accent-gold);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.portfolio-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 280px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform var(--trans-smooth), box-shadow var(--trans-smooth);
}

.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(0,0,0,0.5), 0 0 0 2px var(--accent-gold);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    will-change: transform;
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: block;
}

.portfolio-item:hover img {
    transform: scale(1.06);
}

/* =========================================
   Image Viewer (Lightbox Modal)
========================================= */
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 5, 8, 0.95);
    backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.image-viewer.active {
    opacity: 1;
    visibility: visible;
}

.viewer-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: zoomIn 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes zoomIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.viewer-content img {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.7);
    border: 1px solid rgba(255,255,255,0.1);
}

.viewer-caption {
    margin-top: 15px;
    color: var(--accent-gold);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    letter-spacing: 1px;
    text-align: center;
}

.viewer-close {
    position: absolute;
    top: 25px;
    right: 35px;
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 2.8rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease, transform 0.2s ease;
    z-index: 100000;
}

.viewer-close:hover {
    color: var(--accent-gold);
    transform: rotate(90deg);
}

.viewer-prev, .viewer-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    z-index: 100000;
}

.viewer-prev {
    left: 30px;
}

.viewer-next {
    right: 30px;
}

.viewer-prev:hover, .viewer-next:hover {
    background: var(--accent-gold);
    color: var(--bg-dark);
    transform: translateY(-50%) scale(1.1);
}

@media (max-width: 768px) {
    .viewer-prev { left: 10px; width: 42px; height: 42px; font-size: 1rem; }
    .viewer-next { right: 10px; width: 42px; height: 42px; font-size: 1rem; }
    .viewer-close { top: 15px; right: 20px; font-size: 2.2rem; }
}

/* =========================================
   Contact Section
========================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    background: var(--bg-card);
    padding: 60px;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item i {
    width: 50px;
    height: 50px;
    background: rgba(197, 160, 89, 0.1);
    color: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.info-item p {
    margin-bottom: 0;
}

.contact-form {
    display: grid;
    gap: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--trans-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: rgba(255,255,255,0.05);
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text-main);
}

.contact-form .btn-primary {
    justify-self: start;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* =========================================
   Footer
========================================= */
footer {
    background: var(--bg-darker);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
}

.footer-logo span {
    color: var(--accent-gold);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--trans-fast);
}

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

footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =========================================
   Responsive Design
========================================= */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    .about-container, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .experience-badge {
        right: 20px;
        bottom: 20px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 12, 0.98);
        flex-direction: column;
        padding: 30px 0;
        gap: 20px;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.5s ease;
    }
    
    .nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }

    .hamburger {
        display: block;
    }

    .logo img {
        height: 60px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

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

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