/* ===========================
   Global Styles & Variables
   =========================== */

:root {
    --color-primary: #2c2c2c;
    --color-secondary: #6b6b6b;
    --color-light: #f8f8f8;
    --color-white: #ffffff;
    --color-accent: #c9a063;
    
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Montserrat', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-primary);
    background-color: var(--color-white);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: 0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: 0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1rem;
    color: var(--color-secondary);
}

/* ===========================
   Container & Layout
   =========================== */

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

/* Page Header - Fix for navbar overlap */
.page-header {
    margin-top: 55px;
}

/* ===========================
   Navigation
   =========================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    z-index: 1000;
    border-bottom: 1px solid #f0f0f0;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

/* Transparent navbar only on homepage */
body.homepage .nav {
    background-color: transparent;
    border-bottom: none;
    backdrop-filter: none;
}

/* Navbar with background when scrolled on homepage */
body.homepage .nav.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid #f0f0f0;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-primary);
}

.logo-image {
    height: 50px;
    width: 50px;
    object-fit: contain;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    padding: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

/* Logo circle solid on non-homepage or when scrolled */
.nav.scrolled .logo-image {
    background-color: var(--color-white);
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08);
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    transition: all 0.3s ease;
}

/* Logo text white on homepage transparent navbar */
body.homepage .logo-text {
    color: var(--color-white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Logo text becomes dark when scrolled on homepage */
body.homepage .nav.scrolled .logo-text {
    color: var(--color-primary);
    text-shadow: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 400;
    color: var(--color-primary);
    position: relative;
    transition: all 0.3s ease;
}

/* Nav links white on homepage transparent navbar */
body.homepage .nav-menu a {
    color: var(--color-white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Nav links become dark when scrolled on homepage */
body.homepage .nav.scrolled .nav-menu a {
    color: var(--color-primary);
    text-shadow: none;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* Hamburger white on homepage transparent navbar */
body.homepage .nav-toggle span {
    background-color: var(--color-white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Hamburger becomes dark when scrolled on homepage */
body.homepage .nav.scrolled .nav-toggle span {
    background-color: var(--color-primary);
    box-shadow: none;
}

/* ===========================
   Portfolio Categories Section
   =========================== */

.categories {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

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

.category-card {
    text-align: center;
    transition: var(--transition);
}

.category-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    margin-bottom: var(--spacing-md);
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.category-card h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.category-card p {
    font-size: 0.95rem;
    color: var(--color-secondary);
    font-style: italic;
}

/* ===========================
   About Preview Section
   =========================== */

.about-preview {
    padding: var(--spacing-xl) 0;
    background-color: #1a1a1a;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
}

.btn-link {
    display: inline-block;
    padding: 0.75rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.8);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    transition: var(--transition);
}

.btn-link:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

/* ===========================
   Footer
   =========================== */

.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: var(--color-white);
        width: 100%;
        padding: 2rem;
        gap: 1.5rem;
        transition: left 0.3s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    /* Mobile menu always has dark text */
    .nav-menu a {
        color: var(--color-primary) !important;
        text-shadow: none !important;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-container {
        padding: 1rem;
    }
}