/* ============================================
   Design System - Variables
   ============================================ */
:root {
    /* Color System */
    --color-primary: #232323;
    --color-primary-rgb: 35, 35, 35;
    --color-accent: #EB5E4C;
    --color-accent-rgb: 235, 94, 76;
    --color-secondary: #3E8874;
    --color-secondary-rgb: 62, 136, 116;
    --color-muted: #E5A49B;
    --color-muted-rgb: 229, 164, 155;
    --color-bg: #FAFAFA;
    --color-bg-rgb: 250, 250, 250;
    --color-bg-alt: #DDD6CA;
    --color-bg-alt-rgb: 221, 214, 202;
    --color-white: #FFFFFF;
    --color-white-rgb: 255, 255, 255;

    /* Typography System */
    --font-display: 'Syne', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --font-body: 'Epilogue', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    
    /* Fluid Typography - Clean Sizes & Proportions */
    --font-size-base: clamp(1rem, 1.2vw, 1.25rem);         /* 16px - 18px */
    --font-size-h1: clamp(2.5rem, 5vw, 3.5rem);             /* 40px - 56px */
    --font-size-h2: clamp(2rem, 3vw, 2.75rem);              /* 32px - 44px */
    --font-size-h3: clamp(1.5rem, 2vw, 2rem);               /* 24px - 32px */
    --font-size-h4: clamp(1.25rem, 1.5vw, 1.5rem);         /* 18px - 24px */
    --font-size-p: clamp(1rem, 1vw, 1.25rem);              /* 16px - 18px */
    --font-size-small: clamp(0.75rem, 0.75vw, 1rem);        /* 14px - 16px */
    
    /* Spacing System - 8pt Grid */
    --space-xs: clamp(0.5rem, 0.5vw, 0.75rem);    /* 8px - 12px */
    --space-sm: clamp(1rem, 1vw, 1.25rem);        /* 16px - 20px */
    --space-md: clamp(2rem, 2vw, 2.5rem);         /* 32px - 40px */
    --space-lg: clamp(4rem, 4vw, 5rem);           /* 64px - 80px */
    --space-xl: clamp(6rem, 6vw, 7.5rem);         /* 96px - 120px */
    
    /* Layout */
    --container-max: 1200px;
    --border-radius: clamp(0.75rem, 1vw, 1rem);
    --header-height: 80px;
    
    /* Transitions & Animations */
    --transition-fast: 0.2s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Component-specific */
    --hero-image-mobile-width: 80vw;
    --hero-image-mobile-max-width: 320px;
    --hero-image-mobile-height: auto;
    
    /* Z-index Scale */
    --z-negative: -1;
    --z-normal: 1;
    --z-overlay: 100;
    --z-modal: 1000;
    --z-max: 9999;
}

/* ============================================
   Font Faces
   ============================================ */
@font-face {
    font-family: 'Epilogue';
    src: url('./assets/Epilogue-VariableFont_wght_UMmD5uKuAMfCr3au74g5m.ttf') format('truetype');
    font-weight: 100 900;
    font-display: swap;
}

@font-face {
    font-family: 'Syne';
    src: url('./assets/Syne-VariableFont_wght_6dXny1sFQwxtR_stKF_A3.ttf') format('truetype');
    font-weight: 400 800;
    font-display: swap;
}

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

/* Focus Management */
:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 2px;
}

/* Screen Reader Only Text */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip Link Enhancement */
.skip-to-content {
    position: fixed;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    z-index: var(--z-max);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    transition: top var(--transition);
    font-weight: 600;
}

.skip-to-content:focus {
    top: 0;
    outline-offset: -2px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 2;
    color: var(--color-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-accent);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    z-index: 10000;
    font-weight: 600;
}

.skip-to-content:focus {
    top: 0;
}

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

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

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

a:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.5;
}

h1 {
    font-size: var(--font-size-h1);
    margin-bottom: var(--space-md);
}

h2 {
    font-size: var(--font-size-h2);
    margin-bottom: var(--space-md);
}

h3 {
    font-size: var(--font-size-h3);
    margin-bottom: var(--space-sm);
}

h4 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--space-xs);
}

p {
    font-family: var(--font-body);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-p);
}

.accent {
    color: var(--color-accent);
}

.primary {
    color: var(--color-primary);
}

.strikethrough {
    text-decoration: line-through;
    color: var(--color-primary);
}

strong {
    font-weight: 800;
}

em {
    font-style: italic;
}

/* ============================================
   Layout Components
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

section {
    padding: var(--space-xl) 0;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    background: var(--color-bg);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: box-shadow var(--transition);
}

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

.logo img {
    display: block;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 1001;
    position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 28px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger {
    position: relative;
    display: block;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

.nav-links {
    display: flex;
    gap: var(--space-md);
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    transition: background-color var(--transition), color var(--transition);
}

.nav-links a:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.nav-links a:focus {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 70vh;
    display: grid;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.hero-subtitle {
    font-weight: 500;
    margin-top: var(--space-lr);
}

.hero-image-mobile {
        display: block;
        margin-top: var(--space-md);
        width: var(--hero-image-mobile-width);
        max-width: var(--hero-image-mobile-max-width);
        height: var(--hero-image-mobile-height);
        /* border-radius: var(--border-radius); */
        object-fit: cover;
}

.hero-image-desktop {
        display: none;
}

@media (min-width: 768px) {
    .hero-image-mobile {
        display: none;
    }
    .hero-image-desktop {
        display: block;
        width: 100%;
        height: auto;
        /* border-radius: var(--border-radius); */
        object-fit: cover;
    }
}
@media (max-width: 600px) {
    .hero-image-mobile {
        width: 90vw;
        /* max-width: 250px; */
    }
}


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

.about-content {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-text p {
    font-size: var(--font-size-p);
    line-height: 2;
}

.about-title h2 {
        text-align: center;
}

@media (max-width: 600px) {
    .about-title h2 {
        text-align: center;
    }
}

/* ============================================
   Quote Section
   ============================================ */
.quote-section {
    background-color: var(--color-white);
    padding: var(--space-xl) 0;
}

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

.quote {
    font-size: var(--font-size-h4);
    font-style: italic;
    font-weight: 500;
    line-height: 1.8;
    border-left: 6px solid var(--color-secondary);
    padding-left: var(--space-md);
    margin-bottom: var(--space-md);
    text-align: left;
}

@media (max-width: 600px) {
    .about-title {
        text-align: center;
    }
    .about-title h2 {
        text-align: center;
    }
}

/* ============================================
   Case Studies
   ============================================ */
.case-studies h2 {
    text-align: center;
    color: var(--color-accent);
    margin-bottom: var(--space-xl);
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    align-items: center;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform var(--transition), box-shadow var(--transition);
}

/* Add hover effect similar to .work-card */
.case-study:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

.case-study.reverse {
    grid-template-columns: 1fr 1fr;
}

.case-study.reverse .case-study-content {
    order: 1;
}

.case-study.reverse .case-study-image {
    order: 2;
}

.case-study-image img {
    /* border-radius: var(--border-radius); */
    aspect-ratio: 4/3;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.case-study-content {
    padding: var(--space-md);
}

.case-study-content h3 {
    margin-bottom: var(--space-md);
}

.case-study-content p {
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    border-radius: 2rem;
    font-weight: 600;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-p);
    font-family: var(--font-body);
}

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

.btn-primary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(235, 94, 76, 0.3);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

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

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

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

.skills-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.skill-card {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    padding: var(--space-md);
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-primary);
}

.skill-icon {
    flex-shrink: 0;
}

.skill-icon img {
    width: 120px;
    height: 120px;
}

.skill-content h3 {
    text-align: left;
    margin-bottom: var(--space-sm);
}

.skill-content p {
    text-align: justify;
    line-height: 1.8;
    margin: 0;
}

/* ============================================
   Past Work Section
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header h2 {
    color: var(--color-accent);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.work-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform var(--transition), box-shadow var(--transition);
    text-decoration: none;
    color: var(--color-primary);
}

.work-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
    color: var(--color-primary);
}


.work-image img {
    aspect-ratio: 1/1;
    object-fit: cover;
    width: 135px;
    height: 135px;
    padding: var(--space-sm);
}

.work-content {
    flex: 1;
    padding: var(--space-sm);
}

@media (max-width: 768px) {
    .work-card {
        flex-direction: column;
    }
    
    .work-image {
        flex: none;
        width: 100%;
        max-width: none;
    }
    
    .work-image img {
        aspect-ratio: 1/1;
    }
    
    .work-content {
        text-align: center;
    }
}

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

.personal-content {
    display: grid;
    grid-template-columns: 0.4fr 1.6fr;
    gap: var(--space-lg);
    align-items: top;
}

.personal-title h2 {
    font-size: var(--font-size-h2);
}

.personal-text p {
    font-size: var(--font-size-p);
    line-height: 1.5;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-xl) 0;
    text-align: center;
}

.footer-logo {
    display: inline-block;
    margin-bottom: var(--space-md);
    width: 200px;
}

.footer h4 {
    margin-bottom: var(--space-md);
}

.divider {
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    margin: var(--space-lg) 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
    padding: var(--space-md);
    border-radius: var(--border-radius);
    margin: var(--space-md) 0;
    transition: all var(--transition);
}

.email-link:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: scale(1.05);
}

.email-link:focus {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.email-link svg {
    flex-shrink: 0;
}

.footer-bottom {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255,255,255,0.2);
}

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

/* ============================================
   Media Queries - Responsive Design
   ============================================ */
   
/* Tablet and smaller desktops (≤ 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-lg);
    }
    
    .case-study-content {
        padding: var(--space-lg);
    }
}

/* Tablets (≤ 768px) */
@media (max-width: 768px) {
    :root {
        --space-lg: 3rem;
        --space-xl: 4rem;
    }
    
    /* Navigation */
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 280px;
        background-color: var(--color-bg);
        flex-direction: column;
        padding: calc(var(--space-xl) + var(--space-lg)) var(--space-md) var(--space-md);
        box-shadow: -5px 0 15px rgba(var(--color-primary-rgb), 0.1);
        transition: right var(--transition);
        gap: var(--space-sm);
        z-index: var(--z-overlay);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        width: 100%;
        text-align: left;
    }
    
    /* Layout Adjustments */
    .hero-content,
    .about-content,
    .case-study,
    .case-study.reverse,
    .skills-grid,
    .personal-content {
        grid-template-columns: 1fr;
    }
    
    /* Image Handling */
    .hero-image-mobile {
        display: block;
    }
    
    .hero-image-desktop {
        display: none;
    }
    
    /* Component Adjustments */
    .about-title {
        order: -1;
    }
    
    .case-study.reverse .case-study-content,
    .case-study.reverse .case-study-image {
        order: 0;
    }
    
    .skill-card {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* Mobile (≤ 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .navbar .container {
        flex-wrap: nowrap;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .skill-icon img {
        width: 80px;
        height: 80px;
    }
    
    .personal-text {
        font-size: var(--font-size-p);
    }
}

/* Support for high contrast and reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (prefers-color-scheme: dark) {
    /* Add dark mode styles if needed in the future */
}