/* CSS Reset and Variables */
:root {
    /* Light Mode Colors - Soft Pastel Palette */
    --bg-primary: #fefefe;
    --bg-secondary: #f7f4f7;
    --bg-tertiary: #f0ede8;
    --bg-accent: #fdf7f4;
    --text-primary: #3d3937;
    --text-secondary: #7c7873;
    --text-muted: #a8a59f;
    --accent-primary: #d4a5a7;
    --accent-secondary: #a8d4c1;
    --accent-tertiary: #b5c7e8;
    --accent-warm: #f2d4a7;
    --accent-hover: #c89294;
    --border-color: #e8e3de;
    --shadow-light: 0 2px 8px 0 rgba(196, 165, 167, 0.15);
    --shadow-medium: 0 4px 12px -2px rgba(196, 165, 167, 0.2);
    --shadow-large: 0 8px 20px -4px rgba(196, 165, 167, 0.25);
    --shadow-soft: 0 1px 3px 0 rgba(168, 212, 193, 0.1);
    
    /* Dark Mode Colors - Muted Dark Pastels */
    --bg-primary-dark: #2a2527;
    --bg-secondary-dark: #342f32;
    --bg-tertiary-dark: #3e3539;
    --text-primary-dark: #f0ede8;
    --text-secondary-dark: #d0cbc5;
    --text-muted-dark: #b0a9a3;
    --border-color-dark: #4a424a;
    --shadow-dark: 0 4px 12px -2px rgba(0, 0, 0, 0.3);
    
    /* Typography - Retro-Modern */
    --font-family-heading: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Border Radius - Soft, Rounded */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    
    /* Transitions - Softer, More Nostalgic */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}


/* Dark mode variables */
[data-theme="dark"] {
    --bg-primary: var(--bg-primary-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --bg-tertiary: var(--bg-tertiary-dark);
    --bg-accent: #3a323a;
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-muted: var(--text-muted-dark);
    --border-color: var(--border-color-dark);
    --shadow-light: var(--shadow-dark);
    --shadow-medium: var(--shadow-dark);
    --shadow-large: var(--shadow-dark);
    --shadow-soft: 0 2px 8px 0 rgba(0, 0, 0, 0.4);
    
    /* Dark mode accent colors - muted pastels */
    --accent-primary: #b8888a;
    --accent-secondary: #7eb09c;
    --accent-tertiary: #8fa4c7;
    --accent-warm: #d4a885;
    --accent-hover: #a67375;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: background var(--transition-medium), color var(--transition-medium);
    position: relative;
}

/* Dark mode specific body styling */
[data-theme="dark"] body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

/* Light mode specific body styling */
[data-theme="light"] body,
body:not([data-theme]) {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

/* Subtle texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 1px 1px, rgba(168, 212, 193, 0.15) 1px, transparent 0);
    background-size: 20px 20px;
    pointer-events: none;
    z-index: -1;
    opacity: 0.3;
}

/* Dark mode texture overlay */
[data-theme="dark"] body::before {
    background-image: 
        radial-gradient(circle at 1px 1px, rgba(184, 136, 138, 0.15) 1px, transparent 0);
    opacity: 0.2;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 { 
    font-size: var(--font-size-4xl); 
    font-weight: 700;
}
h2 { 
    font-size: var(--font-size-3xl); 
    font-weight: 600;
}
h3 { 
    font-size: var(--font-size-2xl); 
    font-weight: 600;
}
h4 { 
    font-size: var(--font-size-xl); 
    font-weight: 500;
}

@media (min-width: 768px) {
    h1 { font-size: var(--font-size-5xl); }
    h2 { font-size: var(--font-size-4xl); }
}

p {
    margin-bottom: var(--space-4);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    font-family: var(--font-family-heading);
    text-decoration: none;
    transition: all var(--transition-medium);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
    background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent-secondary) 100%);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--accent-primary);
    box-shadow: var(--shadow-soft);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(254, 254, 254, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-soft);
}

[data-theme="dark"] .header {
    background: rgba(42, 37, 39, 0.85);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

.nav-brand {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition-medium);
}

.nav-brand:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: none;
    align-items: center;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: 0.5rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--accent-primary);
    background-color: var(--bg-secondary);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    cursor: pointer;
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-20) 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 50%, var(--bg-secondary) 100%);
}

/* Dark mode hero background */
[data-theme="dark"] .hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 50%, var(--bg-secondary) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-tertiary), var(--accent-secondary));
    opacity: 0.2;
    animation: float 8s ease-in-out infinite;
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.3);
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: -150px;
    animation-delay: 0s;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-warm));
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: -100px;
    animation-delay: 3s;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-tertiary));
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 6s;
    background: linear-gradient(135deg, var(--accent-warm), var(--accent-primary));
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg) scale(1); 
    }
    33% { 
        transform: translateY(-30px) rotate(3deg) scale(1.05); 
    }
    66% { 
        transform: translateY(-15px) rotate(-3deg) scale(0.95); 
    }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    margin-bottom: var(--space-8);
}

.hero-name {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(212, 165, 167, 0.3);
}

@media (min-width: 768px) {
    .hero-name {
        font-size: var(--font-size-5xl);
    }
}

.hero-role {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 400;
    color: var(--text-secondary);
    font-family: var(--font-family-heading);
    letter-spacing: 0.05em;
}

@media (min-width: 768px) {
    .hero-role {
        font-size: var(--font-size-2xl);
    }
}

.hero-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: var(--text-muted);
    margin-bottom: var(--space-8);
    background: var(--bg-primary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    display: inline-flex;
}

.hero-tagline {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-10);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    background: var(--bg-primary);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
}

@media (min-width: 768px) {
    .hero-cta {
        flex-direction: row;
        justify-content: center;
        gap: var(--space-6);
    }
}

/* Section Styles */
section {
    padding: var(--space-20) 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-16);
    color: var(--text-primary);
    font-family: var(--font-family-heading);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-sm);
}

/* About Section */
.about {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    position: relative;
}

/* Dark mode about section */
[data-theme="dark"] .about {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 2px 2px, var(--accent-secondary) 1px, transparent 0);
    background-size: 40px 40px;
    opacity: 0.1;
    pointer-events: none;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.about-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    text-align: center;
    margin: 0;
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
}

/* Featured Work Section */
.featured-work {
    position: relative;
}

.featured-grid {
    display: grid;
    gap: var(--space-10);
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .featured-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.featured-item {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.featured-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(168, 212, 193, 0.05) 50%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.featured-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-large);
}

.featured-item:hover::before {
    opacity: 1;
}

.featured-header {
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
}

.featured-header h3 {
    color: var(--accent-primary);
    margin-bottom: var(--space-3);
    font-weight: 600;
}

.featured-period {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    background: var(--bg-secondary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-lg);
    display: inline-block;
}

.featured-topic {
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
    font-weight: 500;
    font-size: var(--font-size-lg);
}

.featured-highlights {
    list-style: none;
    position: relative;
    z-index: 1;
}

.featured-highlights li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    line-height: 1.7;
}

.featured-highlights li::before {
    content: "✦";
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

/* Timeline */
.experience {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
}

/* Dark mode experience section */
[data-theme="dark"] .experience {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: var(--space-4);
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-soft);
}

@media (min-width: 768px) {
    .timeline::before {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-16);
    padding-left: var(--space-12);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    margin-left: var(--space-8);
    transition: all var(--transition-medium);
}

.timeline-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-large);
}

@media (min-width: 768px) {
    .timeline-item {
        width: 45%;
        margin-left: 0;
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
    
    .timeline-item:nth-child(even) {
        margin-left: 55%;
    }
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -var(--space-6);
    top: var(--space-4);
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    box-shadow: var(--shadow-soft);
    z-index: 1;
}

@media (min-width: 768px) {
    .timeline-item::before {
        left: auto;
        right: -8px;
    }
    
    .timeline-item:nth-child(even)::before {
        right: auto;
        left: -8px;
    }
}

.timeline-date {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-3);
    background: var(--bg-secondary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    display: inline-block;
}

.timeline-content h3 {
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.timeline-location {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-4);
    font-style: italic;
}

.timeline-highlights {
    list-style: none;
}

.timeline-highlights li {
    position: relative;
    padding-left: var(--space-5);
    margin-bottom: var(--space-3);
    color: var(--text-secondary);
    line-height: 1.7;
}

.timeline-highlights li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
    font-weight: bold;
}

/* Education Section */
.education {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-accent) 100%);
    position: relative;
}

/* Dark mode education section */
[data-theme="dark"] .education {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-accent) 100%);
}

.education::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-conic-gradient(
            from 0deg at 50% 50%,
            transparent 0deg,
            rgba(181, 199, 232, 0.1) 10deg,
            transparent 20deg
        );
    background-size: 60px 60px;
    opacity: 0.5;
    pointer-events: none;
}

/* Dark mode education pattern */
[data-theme="dark"] .education::before {
    background-image: 
        repeating-conic-gradient(
            from 0deg at 50% 50%,
            transparent 0deg,
            rgba(143, 164, 199, 0.1) 10deg,
            transparent 20deg
        );
}

.education-grid {
    display: grid;
    gap: var(--space-10);
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .education-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.education-item {
    background: var(--bg-primary);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-large);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.education-item::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-tertiary) 0%, transparent 70%);
    opacity: 0.1;
    transition: all var(--transition-medium);
}

.education-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-large);
}

.education-item:hover::before {
    opacity: 0.2;
    transform: rotate(45deg);
}

.education-item h3 {
    color: var(--accent-primary);
    margin-bottom: var(--space-3);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.education-item h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.education-period {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    display: inline-block;
    margin-bottom: var(--space-5);
    background: var(--accent-secondary);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.education-item p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.education-item p:last-child {
    margin-bottom: 0;
}

/* Skills Section */
.skills {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-accent) 100%);
    position: relative;
}

/* Dark mode skills section */
[data-theme="dark"] .skills {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-accent) 100%);
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(45deg, transparent 40%, rgba(181, 199, 232, 0.1) 50%, transparent 60%);
    background-size: 30px 30px;
    pointer-events: none;
}

/* Dark mode skills pattern */
[data-theme="dark"] .skills::before {
    background-image: 
        linear-gradient(45deg, transparent 40%, rgba(143, 164, 199, 0.1) 50%, transparent 60%);
}

.skills-grid {
    display: grid;
    gap: var(--space-8);
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.skill-category {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    opacity: 0.05;
    transition: opacity var(--transition-medium);
}

.skill-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-large);
}

.skill-category:hover::before {
    opacity: 0.1;
}

.skill-category h3 {
    color: var(--accent-primary);
    margin-bottom: var(--space-5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    font-size: var(--font-size-lg);
    position: relative;
    z-index: 1;
}

.skill-category h3 i {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: var(--font-size-xl);
}

.skill-category ul {
    list-style: none;
    position: relative;
    z-index: 1;
}

.skill-category li {
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: default;
}

.skill-category li:hover {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.05);
}

/* Projects Section */
.projects {
    background: linear-gradient(135deg, var(--bg-accent) 0%, var(--bg-secondary) 100%);
    position: relative;
}

/* Dark mode projects section */
[data-theme="dark"] .projects {
    background: linear-gradient(135deg, var(--bg-accent) 0%, var(--bg-secondary) 100%);
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(242, 212, 167, 0.1) 10px,
            rgba(242, 212, 167, 0.1) 20px
        );
    pointer-events: none;
}

/* Dark mode projects pattern */
[data-theme="dark"] .projects::before {
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(212, 168, 133, 0.1) 10px,
            rgba(212, 168, 133, 0.1) 20px
        );
}

.projects-grid {
    display: grid;
    gap: var(--space-8);
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-item {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.project-item::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-warm), var(--accent-tertiary));
    border-radius: 0 0 0 100px;
    opacity: 0.1;
    transition: all var(--transition-medium);
}

.project-item:hover {
    transform: translateY(-6px) rotate(1deg);
    box-shadow: var(--shadow-large);
}

.project-item:hover::before {
    width: 150px;
    height: 150px;
    opacity: 0.2;
}

.project-item h3 {
    color: var(--accent-primary);
    margin-bottom: var(--space-3);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.project-year {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--space-4);
    background: var(--accent-warm);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 1;
}

.project-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Awards Section */
.awards {
    background: linear-gradient(135deg, var(--bg-accent) 0%, var(--bg-primary) 100%);
    position: relative;
}

/* Dark mode awards section */
[data-theme="dark"] .awards {
    background: linear-gradient(135deg, var(--bg-accent) 0%, var(--bg-primary) 100%);
}

.awards::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(242, 212, 167, 0.2) 0%, transparent 30%),
        radial-gradient(circle at 70% 70%, rgba(212, 165, 167, 0.2) 0%, transparent 30%);
    pointer-events: none;
}

/* Dark mode awards patterns */
[data-theme="dark"] .awards::before {
    background: 
        radial-gradient(circle at 30% 30%, rgba(212, 168, 133, 0.2) 0%, transparent 30%),
        radial-gradient(circle at 70% 70%, rgba(184, 136, 138, 0.2) 0%, transparent 30%);
}

.awards-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.award-item {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-large);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.award-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(242, 212, 167, 0.1) 0%, rgba(168, 212, 193, 0.1) 100%);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.award-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-large);
}

.award-item:hover::before {
    opacity: 1;
}

.award-item i {
    color: var(--accent-secondary);
    font-size: var(--font-size-3xl);
    background: linear-gradient(135deg, var(--accent-warm), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
    animation: gentle-float 3s ease-in-out infinite;
}

.award-details {
    position: relative;
    z-index: 1;
}

.award-details h3 {
    color: var(--accent-primary);
    margin-bottom: var(--space-2);
    font-weight: 600;
}

.award-details p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.7;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
}

/* Dark mode contact section */
[data-theme="dark"] .contact {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(212, 165, 167, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(168, 212, 193, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Dark mode contact patterns */
[data-theme="dark"] .contact::before {
    background: radial-gradient(circle at 20% 80%, rgba(184, 136, 138, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(126, 176, 156, 0.1) 0%, transparent 50%);
}

.contact-content {
    display: grid;
    gap: var(--space-12);
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    background: var(--bg-primary);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
}

.contact-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-medium);
}

.contact-item i {
    color: var(--accent-primary);
    font-size: var(--font-size-xl);
    width: 24px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-weight: 500;
}

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

/* Contact Form */
.contact-form {
    background: var(--bg-primary);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-large);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 165, 167, 0.05) 0%, rgba(168, 212, 193, 0.05) 100%);
    pointer-events: none;
}

.form-group {
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-medium);
    box-shadow: inset var(--shadow-soft);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(212, 165, 167, 0.1);
    transform: scale(1.02);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    color: var(--bg-primary);
    padding: var(--space-12) 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 20px,
            rgba(255, 255, 255, 0.05) 20px,
            rgba(255, 255, 255, 0.05) 40px
        );
    pointer-events: none;
}

[data-theme="dark"] .footer {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--accent-primary) 100%);
    color: var(--text-primary);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
    text-align: center;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-content p {
    margin: 0;
    font-weight: 500;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    gap: var(--space-6);
}

.footer-links a {
    color: inherit;
    font-size: var(--font-size-xl);
    transition: all var(--transition-medium);
    padding: var(--space-2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
}

.footer-links a:hover {
    opacity: 0.8;
    transform: translateY(-2px) scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

/* Mobile Responsiveness - Enhanced Spacing */
@media (max-width: 767px) {
    .hero-name {
        font-size: var(--font-size-3xl);
    }
    
    .hero-role {
        font-size: var(--font-size-lg);
    }
    
    .hero-tagline {
        font-size: var(--font-size-base);
        padding: var(--space-4);
    }
    
    section {
        padding: var(--space-16) 0;
    }
    
    .featured-item,
    .contact-form {
        padding: var(--space-6);
    }
    
    .timeline-item {
        padding: var(--space-6);
        margin-left: var(--space-6);
    }
    
    .container {
        padding: 0 var(--space-4);
    }
}

/* Enhanced spacing for larger screens */
@media (min-width: 1200px) {
    section {
        padding: var(--space-20) 0;
    }
    
    .section-title {
        margin-bottom: var(--space-20);
    }
    
    .hero-content {
        max-width: 900px;
    }
}

/* Animations - Softer, More Nostalgic */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-60px) rotate(-2deg);
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0) rotate(0deg);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(60px) rotate(2deg);
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0) rotate(0deg);
}

/* Gentle floating animation for interactive elements */
@keyframes gentle-float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
    }
    50% { 
        transform: translateY(-10px) rotate(1deg); 
    }
}

.btn:hover {
    animation: gentle-float 2s ease-in-out infinite;
}

/* Soft pulse for accent elements */
@keyframes soft-pulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.8; 
        transform: scale(1.05);
    }
}

.hero-shapes .shape {
    animation: soft-pulse 4s ease-in-out infinite alternate;
}

/* Mobile Responsiveness */
@media (max-width: 767px) {
    .hero-name {
        font-size: var(--font-size-3xl);
    }
    
    .hero-role {
        font-size: var(--font-size-lg);
    }
    
    .hero-tagline {
        font-size: var(--font-size-base);
    }
    
    section {
        padding: var(--space-12) 0;
    }
    
    .featured-item,
    .contact-form {
        padding: var(--space-6);
    }
    
    .timeline-item {
        padding-left: var(--space-8);
    }
}

/* Loading States */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        padding: var(--space-8);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-medium);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .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);
    }
    
    body.menu-open {
        overflow: hidden;
    }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 50px;
    height: 50px;
    background-color: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: var(--font-size-lg);
    cursor: pointer;
    box-shadow: var(--shadow-large);
    transform: translateY(100px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    z-index: 1000;
}

.scroll-to-top.visible {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

/* Header Scroll Effect */
.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-light);
}

[data-theme="dark"] .header.scrolled {
    background-color: rgba(42, 37, 39, 0.95);
}

/* Focus States for Accessibility */
button:focus,
input:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero-cta,
    .contact-form,
    .theme-toggle {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
    
    section {
        padding: var(--space-8) 0;
        break-inside: avoid;
    }
}