/* ===========================
   CSS Custom Properties
   =========================== */
:root {
    --color-bg: #0a0a0b;
    --color-bg-elevated: #141416;
    --color-bg-card: #1a1a1d;
    --color-text: #fafafa;
    --color-text-secondary: #a1a1a6;
    --color-text-muted: #6b6b70;
    --color-accent: #c9a962;
    --color-accent-light: #e4d4a5;
    --color-border: #2a2a2e;
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Film grain overlay for texture */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

/* ===========================
   Typography
   =========================== */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1.1;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.2;
}

h3 {
    font-size: 1.5rem;
    line-height: 1.3;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    z-index: 100;
    background: linear-gradient(to bottom, var(--color-bg), transparent);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    transition: color 0.3s var(--transition-smooth);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s var(--transition-smooth);
}

.nav-links a:hover {
    color: var(--color-text);
}

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

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 5% 4rem;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.hero-greeting {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s var(--transition-smooth) 0.2s backwards;
}

.hero-name {
    color: var(--color-text);
    margin-bottom: 0.5rem;
    animation: fadeInUp 0.8s var(--transition-smooth) 0.4s backwards;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s var(--transition-smooth) 0.6s backwards;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 500px;
    margin-bottom: 2.5rem;
    animation: fadeInUp 0.8s var(--transition-smooth) 0.8s backwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 0.8s var(--transition-smooth) 1s backwards;
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
}

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

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Hero Image */
.hero-image {
    position: relative;
    animation: fadeIn 1s var(--transition-smooth) 0.5s backwards;
}

.image-frame {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin-left: auto;
    aspect-ratio: 4/5;
    overflow: hidden;
    border-radius: 4px;
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    filter: grayscale(20%);
    transition: filter 0.5s var(--transition-smooth);
}

.image-frame:hover img {
    filter: grayscale(0%);
}

.image-decoration {
    display: none;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 5%;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: fadeIn 1s var(--transition-smooth) 1.2s backwards;
}

.scroll-indicator span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 60px;
    height: 1px;
    background: var(--color-border);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 30px;
    height: 100%;
    background: var(--color-accent);
    animation: scrollLine 2s infinite;
}

/* ===========================
   Section Styles
   =========================== */
section {
    padding: 8rem 5%;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.section-number {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-accent);
}

.section-header h2 {
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    left: calc(100% + 2rem);
    top: 50%;
    width: 100px;
    height: 1px;
    background: var(--color-border);
}

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

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    max-width: 1200px;
}

.about-text .lead {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.about-text p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-left: 2rem;
    border-left: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

/* ===========================
   Experience Section
   =========================== */
.experience {
    background: var(--color-bg);
}

.experience-timeline {
    max-width: 900px;
    position: relative;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 140px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-border);
}

.experience-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    position: relative;
}

.experience-item:last-child {
    padding-bottom: 0;
}

.experience-item::after {
    content: '';
    position: absolute;
    left: 140px;
    top: 8px;
    width: 9px;
    height: 9px;
    background: var(--color-bg);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    transform: translateX(-4px);
}

.experience-date {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: right;
    padding-top: 4px;
}

.experience-content h3 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.experience-org {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.experience-content > p:last-child {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ===========================
   Skills Section
   =========================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    max-width: 1200px;
}

.skill-category h3 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.skill-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--color-text-secondary);
    transition: color 0.3s var(--transition-smooth);
}

.skill-list li:hover {
    color: var(--color-text);
}

.skill-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0.5;
    transition: opacity 0.3s var(--transition-smooth);
}

.skill-list li:hover .skill-dot {
    opacity: 1;
}

/* Languages subsection */
.languages-section {
    margin-top: 4rem;
    max-width: 1200px;
}

.languages-section h3 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.language-tags {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.language-tag {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    transition: all 0.3s var(--transition-smooth);
}

.language-tag:hover {
    border-color: var(--color-accent);
    color: var(--color-text);
}

.language-tag em {
    color: var(--color-text-muted);
    font-style: normal;
    font-size: 0.8125rem;
}

/* ===========================
   Projects Section
   =========================== */
.projects {
    background: var(--color-bg-elevated);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1400px;
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all 0.4s var(--transition-smooth);
    overflow: hidden;
}

.project-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-8px);
}

.project-image {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-card) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-placeholder {
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--color-border);
    transition: color 0.3s var(--transition-smooth);
}

.project-card:hover .project-placeholder {
    color: var(--color-accent);
}

.project-placeholder svg {
    color: var(--color-border);
    transition: color 0.3s var(--transition-smooth);
}

.project-card:hover .project-placeholder svg {
    color: var(--color-accent);
}

/* Featured project card */
.project-card.featured {
    grid-column: span 1;
    border-color: var(--color-accent);
    border-width: 1px;
}

.project-card.featured .project-image {
    background: linear-gradient(135deg, rgba(201, 169, 98, 0.1) 0%, var(--color-bg-card) 100%);
}

.project-content {
    padding: 2rem;
}

.project-type {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    background: rgba(201, 169, 98, 0.1);
    padding: 0.375rem 0.75rem;
    margin-bottom: 0.75rem;
}

.project-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.project-content p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tech span {
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    border-radius: 2px;
}

.project-links {
    display: flex;
    gap: 1.5rem;
}

.project-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
    transition: color 0.3s var(--transition-smooth);
}

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

/* ===========================
   Contact Section
   =========================== */
.contact {
    text-align: center;
    padding: 10rem 5%;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 2rem;
    border: 1px solid var(--color-border);
    transition: all 0.3s var(--transition-smooth);
}

.social-link:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-card);
}

.social-link svg {
    width: 28px;
    height: 28px;
    color: var(--color-text-muted);
    transition: color 0.3s var(--transition-smooth);
}

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

.social-link span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-secondary);
}

/* ===========================
   Footer
   =========================== */
.footer {
    padding: 3rem 5%;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-year {
    margin-top: 0.5rem;
    font-family: var(--font-display);
    color: var(--color-accent);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scrollLine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(300%);
    }
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .image-frame {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .image-decoration {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: row;
        padding-left: 0;
        padding-top: 2rem;
        border-left: none;
        border-top: 1px solid var(--color-border);
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experience-timeline::before {
        left: 120px;
    }
    
    .experience-item {
        grid-template-columns: 120px 1fr;
        gap: 2rem;
    }
    
    .experience-item::after {
        left: 120px;
    }
}

@media (max-width: 768px) {
    .experience-timeline::before {
        display: none;
    }
    
    .experience-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding-bottom: 2.5rem;
        padding-left: 1.5rem;
        border-left: 1px solid var(--color-border);
    }
    
    .experience-item::after {
        left: 0;
        top: 6px;
        width: 7px;
        height: 7px;
        transform: translateX(-4px);
    }
    
    .experience-date {
        text-align: left;
        font-size: 0.75rem;
    }
    .nav-links {
        display: none;
    }
    
    .hero {
        padding-top: 6rem;
    }
    
    .section-header h2::after {
        display: none;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        flex-direction: column;
        align-items: center;
    }
    
    .social-link {
        width: 100%;
        max-width: 250px;
    }
    
    .language-tags {
        flex-direction: column;
    }
    
    .language-tag {
        text-align: center;
    }
}