/* ========================================
   CSS Variables - Apple-inspired Beige Theme
   ======================================== */
:root {
    /* Beige Color Palette */
    --color-primary: #E8DCC5;        /* Light beige */
    --color-secondary: #D4C5A9;      /* Medium beige */
    --color-accent: #B8A68B;         /* Dark beige/taupe */
    --color-dark: #3C3430;           /* Dark brown */
    --color-light: #F7F3ED;          /* Very light beige */
    --color-white: #FFFFFF;
    --color-text: #3C3430;
    --color-text-light: #6B6158;
    
    /* Typography */
    --font-heading: 'Sora', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Reset & Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-dark);
}

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

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

/* ========================================
   Language Selector
   ======================================== */
.language-selector {
    position: fixed;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: 1000;
    display: flex;
    gap: var(--spacing-xs);
    background: var(--color-white);
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 10px rgba(60, 52, 48, 0.1);
}

.lang-btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: var(--transition);
}

.lang-btn:hover {
    background: var(--color-primary);
    color: var(--color-dark);
}

.lang-btn.active {
    background: var(--color-accent);
    color: var(--color-white);
}

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

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    background: var(--color-white);
    box-shadow: 0 2px 20px rgba(60, 52, 48, 0.08);
    position: sticky;
    top: 0;
    z-index: 999;
    backdrop-filter: blur(10px);
}

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

.logo a {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-menu a:hover {
    background: var(--color-primary);
    color: var(--color-dark);
}

.youtube-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-accent);
    color: var(--color-white) !important;
    padding: 0.625rem 1.25rem !important;
}

.youtube-link:hover {
    background: var(--color-dark) !important;
    transform: translateY(-2px);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('assets/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    padding: var(--spacing-xl) 0;
    text-align: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(60, 52, 48, 0.2);
}

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

.btn-secondary:hover {
    background: var(--color-dark);
    color: var(--color-white);
    transform: translateY(-3px);
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: var(--spacing-xl) 0;
}

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

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--color-white);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

.about-content p {
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   Portfolio Section
   ======================================== */
.portfolio {
    background: var(--color-light);
}

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

.portfolio-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(60, 52, 48, 0.15);
}

.portfolio-image {
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.placeholder-image {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-dark);
}

.portfolio-item h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.portfolio-item p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.portfolio-link {
    color: var(--color-accent);
    font-weight: 500;
    display: inline-block;
}

.portfolio-link:hover {
    color: var(--color-dark);
}

/* ========================================
   Blog Section
   ======================================== */
.blog {
    background: var(--color-white);
}

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

.blog-post {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition);
}

.blog-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(60, 52, 48, 0.1);
}

.blog-date {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.blog-post h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.blog-post p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.blog-link {
    color: var(--color-accent);
    font-weight: 500;
}

.blog-link:hover {
    color: var(--color-dark);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-primary);
    transition: var(--transition);
}

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

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-sm);
        box-shadow: 0 10px 30px rgba(60, 52, 48, 0.1);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .portfolio-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* Blog Post Styles */
.blog-article {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.blog-header {
    margin-bottom: var(--spacing-lg);
}

.blog-meta {
    color: var(--color-accent);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.blog-article h1 {
    font-size: 2.5rem; /* Reduced from 2.5rem in original to fit context, or keep 2.5 */
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.blog-article h2 {
    font-size: 1.8rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.blog-article p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    color: var(--color-text-light);
}

.back-link {
    display: inline-block;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
    font-weight: 500;
    text-decoration: none;
}