/* Modern UX Designer Portfolio - Inspired Design System */

:root {
    /* Color palette */
    --white: #ffffff;
    --black: #000000;
    --gray-900: #111111;
    --gray-700: #374151;
    --gray-500: #6b7280;
    --gray-300: #d1d5db;
    --gray-100: #f3f4f6;
    --accent: #ff5a5a;
    --accent-light: #ff8a8a;
    --accent-pale: #ffe5e5;
    
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 0.5rem;
    
    /* Animation */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--white);
    color: var(--gray-900);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 120px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: var(--space-xl) var(--space-sm);
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.logo {
    font-family: var(--font-sans);
    font-size: 2rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: var(--space-3xl);
}

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

.nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.nav-link {
    font-size: 0.875rem;
    color: var(--gray-700);
    text-decoration: none;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 120px;
    padding: var(--space-xl);
    position: relative;
}

.background-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape-circle {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--accent-pale);
    border-radius: 50%;
    top: 20%;
    left: -100px;
    opacity: 0.6;
}

.shape-accent {
    position: absolute;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 50%;
    bottom: 15%;
    right: 10%;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    width: 100%;
}

.intro-text {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
    font-weight: 400;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 8vw, 5rem);
    line-height: 0.9;
    margin-bottom: var(--space-md);
    font-weight: 400;
}

.title-line {
    display: block;
}

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

.hero-symbol {
    font-family: var(--font-serif);
    font-size: clamp(4rem, 12vw, 8rem);
    color: var(--black);
    font-weight: 400;
    margin: var(--space-md) 0;
    line-height: 0.8;
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 6vw, 3.5rem);
    line-height: 0.9;
    margin-bottom: var(--space-xl);
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.cta-link {
    color: var(--gray-900);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: var(--transition);
}

.cta-link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease;
}

.cta-link:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.hero-description {
    font-size: 0.875rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* Sections */
.section {
    margin-left: 120px;
    padding: var(--space-3xl) var(--space-xl);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-heading {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--gray-900);
    margin-bottom: var(--space-xl);
    font-weight: 400;
}

/* About Section */
.about-section {
    background: var(--gray-100);
}

.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.section-text {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.section-visual {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.stat-card {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.work-card {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 16px;
    padding: var(--space-xl);
    transition: var(--transition);
    position: relative;
}

.work-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.work-card.featured {
    background: var(--accent-pale);
    border-color: var(--accent);
}

.work-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    color: var(--accent);
    margin-bottom: var(--space-sm);
    line-height: 1;
}

.work-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.work-description {
    color: var(--gray-700);
    line-height: 1.6;
}

/* Education Section */
.education-section {
    background: var(--gray-100);
}

.education-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
}

.education-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.degree-card {
    background: var(--white);
    border-radius: 16px;
    padding: var(--space-xl);
    border: 1px solid var(--gray-300);
    transition: var(--transition);
}

.degree-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.degree-card.primary {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--white) 0%, var(--accent-pale) 100%);
}

.degree-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.degree-type {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.degree-year {
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 500;
}

.degree-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
    font-weight: 400;
}

.degree-school {
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
}

.degree-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.certifications {
    background: var(--white);
    border-radius: 16px;
    padding: var(--space-xl);
    border: 1px solid var(--gray-300);
    height: fit-content;
}

.cert-heading {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-lg);
}

.cert-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.cert-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-300);
}

.cert-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.cert-date {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cert-name {
    font-size: 0.875rem;
    color: var(--gray-700);
    font-weight: 500;
}

/* Contact Section */
.contact-section {
    background: var(--gray-900);
    color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.contact-heading {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 0.9;
    margin-bottom: var(--space-lg);
    font-weight: 400;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--gray-300);
    line-height: 1.7;
}

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

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--white);
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 500;
    transition: var(--transition);
    padding: var(--space-sm) 0;
}

.contact-link:hover {
    color: var(--accent);
    transform: translateX(8px);
}

.link-icon {
    font-size: 1.5rem;
    transition: var(--transition);
}

/* Responsive Design */
@media (max-width: 1080px) {
    .nav {
        width: 80px;
        padding: var(--space-lg) var(--space-xs);
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .nav-link {
        font-size: 0.75rem;
    }
    
    .hero, .section {
        margin-left: 80px;
    }
    
    .section-grid,
    .education-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .nav {
        width: 100%;
        height: auto;
        position: relative;
        flex-direction: row;
        justify-content: space-between;
        padding: var(--space-xs) var(--space-lg);
    }
    
    .nav-links {
        flex-direction: row;
        gap: var(--space-md);
    }
    
    .nav-link {
        writing-mode: initial;
        text-orientation: initial;
    }
    
    .hero, .section {
        margin-left: 0;
    }
    
    .hero {
        min-height: calc(100vh - 50px);
        padding: var(--space-lg);
    }
    
    .section {
        padding: var(--space-xl) var(--space-lg);
    }
    
    .shape-circle {
        width: 250px;
        height: 250px;
    }
    
    .shape-accent {
        width: 150px;
        height: 150px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .work-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .hero-symbol {
        margin: var(--space-sm) 0;
    }
    
    .section {
        padding: var(--space-lg) var(--space-md);
    }
    
    .work-card,
    .degree-card,
    .certifications {
        padding: var(--space-lg);
    }
    
    .stat-card {
        padding: var(--space-md);
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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