/* ===========================
   CSS Variables & Reset
   =========================== */

:root {
    /* Colors */
    --color-bg: #0A0A0A;
    --color-bg-elevated: #141414;
    --color-bg-subtle: #1A1A1A;
    --color-text-primary: #FAFAFA;
    --color-text-secondary: #A0A0A0;
    --color-text-tertiary: #707070;
    --color-accent: #D4A574;
    --color-accent-dark: #B8905F;
    --color-border: #2A2A2A;

    /* Typography */
    --font-display: 'Crimson Pro', serif;
    --font-body: 'Work Sans', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;

    /* Layout */
    --max-width: 1200px;
    --border-radius: 2px;

    /* Transitions */
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

/* ===========================
   Dither Wave Canvas
   =========================== */

.dither-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* ===========================
   Spotlight Effect
   =========================== */

.spotlight {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    mix-blend-mode: lighten;
}

@media (max-width: 768px) {
    .spotlight {
        display: none;
    }
}

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
}

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

/* ===========================
   Layout Utilities
   =========================== */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ===========================
   Navigation
   =========================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: transform var(--transition-base);
}

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

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: opacity var(--transition-base);
}

.nav-logo:hover {
    opacity: 0.7;
}

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

.nav-link {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    position: relative;
    transition: color var(--transition-base);
    letter-spacing: 0.02em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

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

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

@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: 0.85rem;
    }
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-2xl) var(--spacing-md);
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 2;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.3s forwards;
}

.hero-eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.hero-title-line {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
    line-height: 1.6;
}

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

.hero-decoration {
    position: absolute;
    top: 50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

.gradient-mesh {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(212, 165, 116, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 165, 116, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 90%, rgba(212, 165, 116, 0.06) 0%, transparent 50%);
    pointer-events: none;
    filter: blur(60px);
    opacity: 0.6;
    animation: meshMove 25s ease-in-out infinite;
}

@keyframes meshMove {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(-50%) translateX(0);
    }
    50% {
        transform: translateY(-50%) translateX(-30px);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-xl) var(--spacing-sm);
    }

    .hero-decoration {
        width: 400px;
        height: 400px;
        right: -30%;
    }
}

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid;
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    cursor: pointer;
    letter-spacing: 0.02em;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 165, 116, 0.2);
}

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

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.btn.magnetic {
    transition: transform 0.1s ease, background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
    will-change: transform;
}

/* ===========================
   Section Styles
   =========================== */

section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.section-number {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 300;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    color: var(--color-text-primary);
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-xl) 0;
    }

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

/* ===========================
   About Section
   =========================== */

.about {
    background-color: var(--color-bg-subtle);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-content-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-image-container {
    width: 100%;
    max-width: 300px;
    margin: 0 auto var(--spacing-md);
}

.about-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    aspect-ratio: 3/4;
    object-fit: cover;
    cursor: pointer;
}

.about-image:hover:not(.flipping) {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.about-image.flipping {
    animation: flip3d 0.6s ease-in-out;
}

@keyframes flip3d {
    0% {
        transform: scale(1) rotateY(0deg);
    }
    50% {
        transform: scale(0.8) rotateY(90deg);
    }
    100% {
        transform: scale(1) rotateY(0deg);
    }
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-intro {
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--color-text-primary);
    line-height: 1.7;
}

.about-text p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.skills-container {
    background-color: var(--color-bg-elevated);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.skills-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
    font-weight: 400;
}

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

.skill-category h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-body);
    font-weight: 500;
}

.skill-list {
    list-style: none;
}

.skill-list li {
    padding: 0.4rem 0;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    position: relative;
    padding-left: 1rem;
}

.skill-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .about-image-container {
        max-width: 250px;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   Projects Section
   =========================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.project-card {
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }

.project-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, var(--color-bg-subtle) 0%, var(--color-bg-elevated) 100%);
    position: relative;
    overflow: hidden;
}

.project-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--color-accent);
    opacity: 0.3;
    transition: all var(--transition-base);
}

.project-card:hover .project-image-placeholder {
    opacity: 0.5;
    transform: scale(1.1);
}

.project-content {
    padding: var(--spacing-md);
}

.project-title {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.project-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tech-tag {
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-tertiary);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.project-link {
    font-size: 0.9rem;
    color: var(--color-accent);
    position: relative;
    font-weight: 500;
    transition: color var(--transition-base);
}

.project-link::after {
    content: '→';
    margin-left: 0.3rem;
    transition: margin-left var(--transition-base);
}

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

.project-link:hover::after {
    margin-left: 0.6rem;
}

@media (max-width: 968px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   Contact Section
   =========================== */

.contact {
    background-color: var(--color-bg-subtle);
}

.contact-content {
    max-width: 700px;
}

.contact-text {
    font-size: 1.3rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}

.cv-download {
    margin-bottom: var(--spacing-xl);
}

.cv-download .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.cv-download .btn::after {
    content: '↓';
    font-size: 1.2em;
    transition: transform var(--transition-base);
}

.cv-download .btn:hover::after {
    transform: translateY(3px);
}

.contact-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.contact-link {
    padding: var(--spacing-md);
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all var(--transition-base);
}

.contact-link:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-link-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    font-weight: 500;
}

.contact-link-value {
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 400;
}

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

/* ===========================
   Footer
   =========================== */

.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer p {
    color: var(--color-text-tertiary);
    font-size: 0.9rem;
}

.footer-year {
    margin-top: var(--spacing-xs);
    font-family: var(--font-display);
}

/* ===========================
   Scroll Animations
   =========================== */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ===========================
   Responsive Adjustments
   =========================== */

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }
}