/* ================================================================
   3D ORICE PORTFOLIO - MAIN STYLESHEET
   Art Deco Design with Ocean Blue Primary Color
   Production-Ready, Responsive CSS
   ================================================================ */

/* ===== ROOT VARIABLES ===== */
/* Central color and sizing variables for easy customization */
:root {
    /* Primary colors - Art Deco inspired palette */
    --color-primary: #0077B6;      /* Ocean Blue - Main brand color */
    --color-secondary: #023E8A;    /* Dark Navy - Accent and contrast */
    --color-accent: #FFD60A;       /* Gold - Art Deco highlight */
    --color-light: #F8F9FA;        /* Light background */
    --color-white: #FFFFFF;        /* Pure white */
    --color-dark: #1A1A1A;         /* Dark text */
    --color-gray: #757575;         /* Secondary text */
    --color-border: #E0E0E0;       /* Border color */
    
    /* Typography sizing */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;
    
    /* Spacing scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border radius for modern look */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Transitions for smooth interactions */
    --transition-fast: 0.15s ease-in-out;
    --transition-standard: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Shadow depths for elevation */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.2);
}

/* ===== GLOBAL STYLES ===== */
/* Base styling for all elements */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Account for fixed navbar */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
/* Heading and text styling */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--color-secondary);
}

/* ===== NAVIGATION BAR ===== */
/* Fixed top navigation with Art Deco styling */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-standard);
}

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

.nav-logo a {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 2px;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Navigation menu styling */
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-2xl);
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--color-dark);
    font-weight: 500;
    font-size: var(--font-size-sm);
    letter-spacing: 1px;
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-standard);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

/* Hamburger menu for mobile */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-dark);
    margin: 5px 0;
    transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== MAIN CONTAINER ===== */
/* Container for page content */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ===== PAGE SECTIONS ===== */
/* Base page section styling */
.page {
    margin-top: 80px;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

/* Section header styling */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 1px;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
    margin-top: var(--spacing-md);
}

/* Geometric divider for Art Deco aesthetic */
.geometric-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--color-primary), var(--color-accent));
    margin: var(--spacing-lg) auto;
}

/* ===== BUTTONS ===== */
/* Button styling with Art Deco feel */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-standard);
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

/* ===== HERO SECTION ===== */
/* Split hero with text and image */
.hero-section {
    margin-top: 80px;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.hero-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-3xl);
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    animation: fadeInLeft 0.8s ease-out;
}

.hero-title {
    font-size: var(--font-size-4xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    letter-spacing: 2px;
}

.hero-tagline {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xl);
    font-weight: 500;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
}

.hero-image {
    flex: 1;
    animation: fadeInRight 0.8s ease-out;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

/* ===== ABOUT SECTION ===== */
/* About section with two-column layout */
.about-section {
    background-color: var(--color-light);
}

.about-container {
    display: flex;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-content {
    flex: 1;
}

.about-text {
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

/* Expertise grid */
.expertise-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.expertise-item {
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-standard);
}

.expertise-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.expertise-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.expertise-item p {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

/* ===== PORTFOLIO SECTION ===== */
/* Portfolio grid layout */
.portfolio-section {
    background-color: var(--color-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 1400px;
    margin: 0 auto;
}

.portfolio-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-standard);
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 300px;
}

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

.portfolio-card:hover .portfolio-image {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 119, 182, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-standard);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-view-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-white);
    border: none;
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.portfolio-view-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-dark);
    transform: scale(1.1);
}

.portfolio-info {
    padding: var(--spacing-xl);
}

.portfolio-info h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.portfolio-category {
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portfolio-description {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ===== SERVICES SECTION ===== */
/* Services grid with card layout */
.services-section {
    background-color: var(--color-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-standard);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.service-title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.service-description {
    color: var(--color-gray);
    font-size: var(--font-size-base);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.service-features {
    list-style: none;
    text-align: left;
    margin-top: var(--spacing-lg);
}

.service-features li {
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
}

.service-features i {
    color: var(--color-accent);
    position: absolute;
    left: 0;
}

/* ===== CONTACT SECTION ===== */
/* Contact section with form and info */
.contact-section {
    background-color: var(--color-white);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
}

.contact-item i {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    min-width: 30px;
    text-align: center;
}

.contact-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.contact-item p {
    color: var(--color-gray);
    font-size: var(--font-size-base);
}

.contact-item a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-secondary);
}

/* Contact form styling */
.contact-form {
    background-color: var(--color-light);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.1);
}

.form-submit {
    width: 100%;
}

.error-message {
    display: block;
    color: #d32f2f;
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
}

.form-message {
    display: block;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    text-align: center;
    font-weight: 500;
}

.form-message.success {
    background-color: #c8e6c9;
    color: #2e7d32;
}

.form-message.error {
    background-color: #ffcdd2;
    color: #d32f2f;
}

/* ===== LIGHTBOX GALLERY ===== */
/* Modal lightbox for enlarged images */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

.lightbox.active {
    display: flex;
}

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

.lightbox-content img {
    width: 100%;
    height: auto;
    max-height: 85vh;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

/* ===== BACK TO TOP BUTTON ===== */
/* Fixed button for scrolling to top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: var(--font-size-lg);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-standard);
    z-index: 999;
}

.back-to-top.show {
    display: flex;
}

.back-to-top:hover {
    background-color: var(--color-secondary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ===== FOOTER ===== */
/* Multi-column footer styling */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding-top: var(--spacing-3xl);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl) var(--spacing-2xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.footer-column {
    padding: var(--spacing-lg);
}

.footer-column h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
    letter-spacing: 1px;
}

.footer-column p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-size: var(--font-size-sm);
}

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

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--spacing-2xl);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.footer-legal {
    margin-top: var(--spacing-md);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 var(--spacing-md);
    font-size: var(--font-size-sm);
}

.footer-legal a:hover {
    color: var(--color-accent);
}

/* ===== ANIMATIONS ===== */
/* Fade-in animations for page elements */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade-in triggered when scrolling into view */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

/* ===== RESPONSIVE DESIGN ===== */
/* Tablet and smaller devices */
@media (max-width: 768px) {
    /* Adjust font sizes for smaller screens */
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
    
    /* Hide desktop navigation, show hamburger */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--color-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        gap: 0;
        padding: var(--spacing-xl) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        padding: var(--spacing-lg) 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Hero section layout */
    .hero-container {
        flex-direction: column;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-tagline {
        font-size: var(--font-size-xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
    }
    
    /* About section layout */
    .about-container {
        flex-direction: column;
        gap: var(--spacing-2xl);
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    /* Portfolio grid */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    /* Services grid */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact section */
    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    /* Footer */
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    /* Adjust spacing on smaller screens */
    .page {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    /* Back to top button positioning */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Mobile devices */
@media (max-width: 480px) {
    :root {
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
        --spacing-3xl: 2rem;
        --spacing-2xl: 1.5rem;
    }
    
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-tagline {
        font-size: var(--font-size-lg);
    }
    
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .page {
        margin-top: 80px;
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .portfolio-image-wrapper {
        height: 200px;
    }
    
    .portfolio-grid {
        gap: var(--spacing-lg);
    }
}

/* Large desktop screens */
@media (min-width: 1400px) {
    .container,
    .hero-container,
    .about-container,
    .portfolio-grid,
    .services-grid,
    .contact-container,
    .footer-container {
        max-width: 1400px;
    }
}