:root {
    --white: #FEFEFE;
    --black: #111111;
    --muted: #888888;
    --border: #E5E5E5;
    --surface: #F7F7F7;
    --gold: #C4956A;
    --dark: #2D2D2D;
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Instrument Serif', serif;
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; border: none; outline: none; background: none; color: inherit; }

/* ========== NAV ========== */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 1.2rem 2rem;
    background: rgba(254, 254, 254, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
}

.site-nav.visible {
    transform: translateY(0);
    opacity: 1;
}

.site-nav a {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--black);
    letter-spacing: 0.03em;
    position: relative;
    padding-bottom: 2px;
}

.site-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 1.5px;
    background: var(--gold);
    transition: width 0.3s var(--ease), left 0.3s var(--ease);
}

.site-nav a:hover::after,
.site-nav a.active::after {
    width: 100%;
    left: 0;
}

.nav-dot {
    color: var(--muted);
    font-size: 0.7rem;
    user-select: none;
}

.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--white);
}

.hero-content {
    text-align: center;
    will-change: transform;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.4rem);
    font-weight: 400;
    color: var(--muted);
    letter-spacing: 0.04em;
    margin-bottom: 0.25rem;
}

.hero-name {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: clamp(5rem, 14vw, 12rem);
    font-weight: 400;
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--black);
    will-change: transform;
}

.hero-name .char {
    display: inline-block;
    will-change: transform;
}

.hero-smiley {
    color: var(--gold);
    font-style: normal;
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 0.45em;
    vertical-align: middle;
    margin-left: 0.1em;
    display: inline-block;
}

.hero-tagline {
    font-family: var(--font-sans);
    font-size: clamp(0.8rem, 1.2vw, 0.95rem);
    font-weight: 400;
    color: var(--muted);
    letter-spacing: 0.08em;
    margin-top: 1rem;
    opacity: 0;
    transform: translateY(10px);
}

/* Scroll hint */
.scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--border);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gold);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0% { top: -100%; }
    100% { top: 100%; }
}

/* ========== PROJECTS ========== */
.projects {
    padding: 6rem 8% 8rem;
    max-width: 1200px;
    margin: 0 auto;
}

.projects-heading {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 400;
    color: var(--black);
    letter-spacing: 0.01em;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    user-select: none;
}

.heading-underline {
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 12px;
    display: block;
}

.projects-list {
    display: flex;
    flex-direction: column;
}

/* ========== PROJECT CARD — List Style ========== */
.project-card {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.3s var(--ease);
    position: relative;
}

.project-card:last-child {
    border-bottom: 1px solid var(--border);
}

.project-card:hover {
    background: var(--surface);
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    margin-left: -1.5rem;
    margin-right: -1.5rem;
    border-radius: 1rem;
}

.project-number {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gold);
    letter-spacing: 0.05em;
    flex-shrink: 0;
    padding-top: 0.15rem;
}

.project-content {
    flex: 1;
}

.project-arrow {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--muted);
    opacity: 0;
    transform: translate(-8px, 8px);
    transition: all 0.4s var(--ease);
    margin-top: 0.15rem;
}

.project-card:hover .project-arrow {
    opacity: 1;
    transform: translate(0, 0);
    color: var(--gold);
}

.project-title {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 0.4rem;
    color: var(--black);
}

.project-desc {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 1rem;
    max-width: 500px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.project-tags span {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
    transition: all 0.3s var(--ease);
}

.project-card:hover .project-tags span {
    border-color: rgba(196, 149, 106, 0.3);
    color: var(--dark);
}

/* ========== FOOTER ========== */
.footer {
    text-align: center;
    padding: 3rem 8%;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.8rem;
    letter-spacing: 0.03em;
}

/* ========== ABOUT SECTION ========== */
.about {
    padding: 4rem 8% 6rem;
    max-width: 800px;
    margin: 0 auto;
    min-height: 80vh;
}

.about-text {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* ========== PAGE SECTION (non-hero pages) ========== */
.page-section {
    padding-top: 8rem;
}

/* ========== CONTACT ========== */
.contact {
    padding: 8rem 8% 6rem;
    max-width: 800px;
    margin: 0 auto;
}

.page-heading {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 400;
    color: var(--black);
    letter-spacing: 0.01em;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.contact-desc {
    font-size: 1rem;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 3rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
}

.contact-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
    transition: padding-left 0.3s var(--ease);
}

.contact-item:last-child {
    border-bottom: 1px solid var(--border);
}

.contact-item:hover {
    padding-left: 0.5rem;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--muted);
}

.contact-value {
    font-size: 0.95rem;
    color: var(--black);
    transition: color 0.3s;
}

.contact-item:hover .contact-value {
    color: var(--gold);
}

/* ========== SNAKE EASTER EGG ========== */
.snake-page {
    padding: 8rem 8% 6rem;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.snake-header-full {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 3rem;
}

.snake-score-full {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 1rem;
}

.snake-canvas-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#snake-canvas {
    background: var(--white);
    border: 2px solid var(--black);
    border-radius: 0;
    display: block;
    box-shadow: none;
}

.snake-controls {
    margin-top: 2rem;
    font-size: 0.85rem;
    color: var(--muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.snake-controls span:hover {
    color: var(--black);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .project-card { padding: 2rem 0; }
    .projects { padding: 4rem 6% 6rem; }
    .projects.page-section { padding-top: 6rem; }
    .contact { padding: 6rem 6% 4rem; }
}

@media (max-width: 480px) {
    .hero-name { font-size: clamp(3.5rem, 18vw, 5rem); }
}